diff --git a/apps/chat/app/composables/useModels.ts b/apps/chat/app/composables/useModels.ts
index 934cbd5..6aeda54 100644
--- a/apps/chat/app/composables/useModels.ts
+++ b/apps/chat/app/composables/useModels.ts
@@ -1,11 +1,11 @@
 export function useModels() {
   const models = [
-    { label: 'Claude Opus 4.6', value: 'anthropic/claude-opus-4.6', icon: 'i-simple-icons-anthropic' },
-    { label: 'Claude Sonnet 4.6', value: 'anthropic/claude-sonnet-4.6', icon: 'i-simple-icons-anthropic' },
-    { label: 'Gemini 3 Flash', value: 'google/gemini-3-flash', icon: 'i-simple-icons-google' }
+    { label: 'Claude Opus 5.5', value: 'anthropic/claude-opus-5.5', icon: 'i-simple-icons-anthropic' },
+    { label: 'GPT-6 Sol', value: 'openai/gpt-6-sol', icon: 'i-simple-icons-openai' },
+    { label: 'Gemini 3.8 Flash', value: 'google/gemini-3.8-flash', icon: 'i-simple-icons-google' }
   ]
 
-  const model = useCookie<string>('model', { default: () => 'openai/gpt-5-nano' })
+  const model = useCookie<string>('model', { default: () => 'anthropic/claude-opus-5.5' })
   const durable = useCookie<boolean>('durable', { default: () => false })
 
   return {
diff --git a/apps/chat/server/api/chats/[id].post.ts b/apps/chat/server/api/chats/[id].post.ts
index 57d484e..e428e20 100644
--- a/apps/chat/server/api/chats/[id].post.ts
+++ b/apps/chat/server/api/chats/[id].post.ts
@@ -61,7 +61,7 @@ export default defineEventHandler(async (event) => {
 
   if (!chat.title && !isContinuation) {
     const { text: title } = await generateText({
-      model: 'openai/gpt-4o-mini',
+      model: 'anthropic/claude-opus-5.5',
       system: `You are a title generator for a chat:
           - Generate a short title based on the first user's message
           - The title should be less than 30 characters long
diff --git a/apps/chat/server/api/workflow/chats/[id].post.ts b/apps/chat/server/api/workflow/chats/[id].post.ts
index 7912ee5..82eccce 100644
--- a/apps/chat/server/api/workflow/chats/[id].post.ts
+++ b/apps/chat/server/api/workflow/chats/[id].post.ts
@@ -45,7 +45,7 @@ export default defineEventHandler(async (event) => {
 
   if (!chat.title && !isContinuation) {
     const { text: title } = await generateText({
-      model: 'openai/gpt-4o-mini',
+      model: 'anthropic/claude-opus-5.5',
       system: `You are a title generator for a chat:
           - Generate a short title based on the first user's message
           - The title should be less than 30 characters long
diff --git a/apps/docs/app/pages/index.vue b/apps/docs/app/pages/index.vue
index cdb9bea..b42ee3a 100644
--- a/apps/docs/app/pages/index.vue
+++ b/apps/docs/app/pages/index.vue
@@ -94,7 +94,7 @@ const eveFiles = [
     code: `import { defineAgent } from 'eve'
 
 export default defineAgent({
-  model: 'anthropic/claude-sonnet-5',
+  model: 'anthropic/claude-opus-5.5',
 })`,
   },
   {
diff --git a/apps/docs/content/docs/1.getting-started/1.introduction.md b/apps/docs/content/docs/1.getting-started/1.introduction.md
index 7e38b0b..ce5cce2 100644
--- a/apps/docs/content/docs/1.getting-started/1.introduction.md
+++ b/apps/docs/content/docs/1.getting-started/1.introduction.md
@@ -87,7 +87,7 @@ You are a GitHub code-review assistant.
 import { defineAgent } from 'eve'
 
 export default defineAgent({
-  model: 'anthropic/claude-sonnet-5',
+  model: 'anthropic/claude-opus-5.5',
 })
 ```
 
diff --git a/apps/docs/content/docs/1.getting-started/3.quick-start.md b/apps/docs/content/docs/1.getting-started/3.quick-start.md
index 78bea2e..76ccfb9 100644
--- a/apps/docs/content/docs/1.getting-started/3.quick-start.md
+++ b/apps/docs/content/docs/1.getting-started/3.quick-start.md
@@ -85,7 +85,7 @@ import { createGithubTools } from '@github-tools/sdk'
 import { generateText } from 'ai'
 
 const { text } = await generateText({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   tools: createGithubTools(),
   prompt: 'List open pull requests on vercel/ai and summarize each one.',
 })
@@ -104,7 +104,7 @@ import { createGithubTools } from '@github-tools/sdk'
 import { streamText } from 'ai'
 
 const result = streamText({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   tools: createGithubTools({ preset: 'code-review' }),
   prompt: 'Review the latest PR on vercel-labs/github-tools for security issues.',
 })
@@ -124,7 +124,7 @@ When you need the same configuration across multiple calls, use `createGithubAge
 import { createGithubAgent } from '@github-tools/sdk'
 
 const triager = createGithubAgent({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   preset: 'issue-triage',
   system: 'You classify issues as bug, feature, or question. Always post a comment with the classification.',
 })
diff --git a/apps/docs/content/docs/2.frameworks/1.eve-extension.md b/apps/docs/content/docs/2.frameworks/1.eve-extension.md
index 767ce7d..0abbdb6 100644
--- a/apps/docs/content/docs/2.frameworks/1.eve-extension.md
+++ b/apps/docs/content/docs/2.frameworks/1.eve-extension.md
@@ -67,7 +67,7 @@ Ask before merging or closing anything destructive.
 import { defineAgent } from 'eve'
 
 export default defineAgent({
-  model: 'anthropic/claude-sonnet-5',
+  model: 'anthropic/claude-opus-5.5',
 })
 ```
 
diff --git a/apps/docs/content/docs/2.frameworks/2.ai-sdk.md b/apps/docs/content/docs/2.frameworks/2.ai-sdk.md
index 1a01055..61c0564 100644
--- a/apps/docs/content/docs/2.frameworks/2.ai-sdk.md
+++ b/apps/docs/content/docs/2.frameworks/2.ai-sdk.md
@@ -52,7 +52,7 @@ import { createGithubTools } from '@github-tools/sdk'
 import { generateText } from 'ai'
 
 const { text } = await generateText({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   tools: createGithubTools({ preset: 'code-review' }),
   prompt: 'Summarize the latest merged PR on vercel/ai.',
 })
@@ -69,7 +69,7 @@ import { createGithubTools } from '@github-tools/sdk'
 import { streamText } from 'ai'
 
 const result = streamText({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   tools: createGithubTools({ preset: 'repo-explorer' }),
   prompt: 'Explain the architecture of vercel-labs/github-tools.',
 })
@@ -87,7 +87,7 @@ for await (const chunk of result.textStream) {
 import { createGithubAgent } from '@github-tools/sdk'
 
 const reviewer = createGithubAgent({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   preset: 'code-review',
   requireApproval: false,
   additionalInstructions: 'Always cite file paths and line numbers.',
@@ -132,7 +132,7 @@ const index = createToolIndex(tools, {
 })
 
 const result = await generateText({
-  model: openai('gpt-4o'),
+  model: 'anthropic/claude-opus-5.5',
   tools,
   prepareStep: index.prepareStep(),
   prompt: 'Check if the CI is passing on the main branch of vercel/ai.',
diff --git a/apps/docs/content/docs/2.frameworks/3.vercel-workflow.md b/apps/docs/content/docs/2.frameworks/3.vercel-workflow.md
index c390c0b..e20cb2c 100644
--- a/apps/docs/content/docs/2.frameworks/3.vercel-workflow.md
+++ b/apps/docs/content/docs/2.frameworks/3.vercel-workflow.md
@@ -119,7 +119,7 @@ import { createGithubAgent } from '@github-tools/sdk'
 async function runAgentTurn(prompt: string) {
   'use step'
   const agent = createGithubAgent({
-    model: 'anthropic/claude-sonnet-4.6',
+    model: 'anthropic/claude-opus-5.5',
     preset: 'code-review',
     requireApproval: false,
   })
diff --git a/apps/docs/content/docs/2.frameworks/4.chat-sdk.md b/apps/docs/content/docs/2.frameworks/4.chat-sdk.md
index 51d4b34..705114f 100644
--- a/apps/docs/content/docs/2.frameworks/4.chat-sdk.md
+++ b/apps/docs/content/docs/2.frameworks/4.chat-sdk.md
@@ -132,7 +132,7 @@ import type { ChatTurnPayload } from '../lib/agent'
 async function runAgentTurn(prompt: string) {
   'use step'
   const agent = createGithubAgent({
-    model: 'anthropic/claude-sonnet-4.6',
+    model: 'anthropic/claude-opus-5.5',
     preset: 'code-review',
     requireApproval: false,
     additionalInstructions: 'Always post your review as a comment on the PR.',
@@ -194,7 +194,7 @@ async function runAgentTurn(prompt: string) {
   const ai = createAILogger(log, { toolInputs: { maxLength: 500 } })
 
   const agent = createGithubAgent({
-    model: ai.wrap('anthropic/claude-sonnet-4.6'),
+    model: ai.wrap('anthropic/claude-opus-5.5'),
     preset: 'code-review',
     requireApproval: false,
   })
diff --git a/apps/docs/content/docs/3.examples/2.eve-stale-issue-triager.md b/apps/docs/content/docs/3.examples/2.eve-stale-issue-triager.md
index 438488e..beec887 100644
--- a/apps/docs/content/docs/3.examples/2.eve-stale-issue-triager.md
+++ b/apps/docs/content/docs/3.examples/2.eve-stale-issue-triager.md
@@ -64,7 +64,7 @@ When asked to sweep for stale issues:
 import { defineAgent } from 'eve'
 
 export default defineAgent({
-  model: 'anthropic/claude-sonnet-5',
+  model: 'anthropic/claude-opus-5.5',
 })
 ```
 
diff --git a/apps/docs/content/docs/3.examples/3.ai-sdk-release-notes-generator.md b/apps/docs/content/docs/3.examples/3.ai-sdk-release-notes-generator.md
index af123fd..e90b938 100644
--- a/apps/docs/content/docs/3.examples/3.ai-sdk-release-notes-generator.md
+++ b/apps/docs/content/docs/3.examples/3.ai-sdk-release-notes-generator.md
@@ -61,7 +61,7 @@ if (!owner || !repo) {
 }
 
 const { text } = await generateText({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   tools: connectGithubTools('github/my-connector', { preset: 'release-manager' }),
   prompt: `
     On ${owner}/${repo}, find the two most recent releases (or tags if there are no releases yet).
diff --git a/apps/docs/content/docs/3.examples/4.vercel-workflow-ci-failure-bot.md b/apps/docs/content/docs/3.examples/4.vercel-workflow-ci-failure-bot.md
index 46566d4..1f85de4 100644
--- a/apps/docs/content/docs/3.examples/4.vercel-workflow-ci-failure-bot.md
+++ b/apps/docs/content/docs/3.examples/4.vercel-workflow-ci-failure-bot.md
@@ -59,7 +59,7 @@ export async function ciFailureBotChat(messages: ModelMessage[]) {
   'use workflow'
 
   const agent = createDurableGithubAgent({
-    model: 'anthropic/claude-sonnet-4.6',
+    model: 'anthropic/claude-opus-5.5',
     token: connectGithubToken('github/my-connector', { preset: 'ci-ops' }),
     preset: 'ci-ops',
     additionalInstructions: `
diff --git a/apps/docs/content/docs/3.examples/5.chat-sdk-issue-triage-bot.md b/apps/docs/content/docs/3.examples/5.chat-sdk-issue-triage-bot.md
index de65ff0..0b1937a 100644
--- a/apps/docs/content/docs/3.examples/5.chat-sdk-issue-triage-bot.md
+++ b/apps/docs/content/docs/3.examples/5.chat-sdk-issue-triage-bot.md
@@ -78,7 +78,7 @@ import { connectGithubToken } from '@github-tools/sdk/connect'
 async function runTriageTurn(prompt: string) {
   'use step'
   const agent = createGithubAgent({
-    model: 'anthropic/claude-sonnet-4.6',
+    model: 'anthropic/claude-opus-5.5',
     token: connectGithubToken('github/my-connector', { preset: 'issue-triage' }),
     preset: 'issue-triage',
     requireApproval: false,
diff --git a/apps/docs/content/docs/3.examples/6.manager-agent-with-subagents.md b/apps/docs/content/docs/3.examples/6.manager-agent-with-subagents.md
index 6ec0d25..55d4c30 100644
--- a/apps/docs/content/docs/3.examples/6.manager-agent-with-subagents.md
+++ b/apps/docs/content/docs/3.examples/6.manager-agent-with-subagents.md
@@ -102,7 +102,7 @@ Routing rules:
 import { defineAgent } from 'eve'
 
 export default defineAgent({
-  model: 'anthropic/claude-sonnet-5',
+  model: 'anthropic/claude-opus-5.5',
 })
 ```
 
@@ -119,7 +119,7 @@ import { defineAgent } from 'eve'
 
 export default defineAgent({
   description: 'Reviews pull requests: reads diffs, checks CI status, and drafts review comments.',
-  model: 'anthropic/claude-sonnet-5',
+  model: 'anthropic/claude-opus-5.5',
 })
 ```
 
@@ -144,7 +144,7 @@ import { defineAgent } from 'eve'
 
 export default defineAgent({
   description: 'Triages GitHub issues: classifies, labels, and comments with a suggested next step.',
-  model: 'anthropic/claude-sonnet-5',
+  model: 'anthropic/claude-opus-5.5',
 })
 ```
 
@@ -173,7 +173,7 @@ import { defineAgent } from 'eve'
 
 export default defineAgent({
   description: 'Prepares releases: summarizes changes since the last tag and drafts release notes.',
-  model: 'anthropic/claude-sonnet-5',
+  model: 'anthropic/claude-opus-5.5',
 })
 ```
 
@@ -235,7 +235,7 @@ import { z } from 'zod'
 
 function specialist(preset: 'code-review' | 'issue-triage' | 'release-manager', description: string) {
   const agent = createGithubAgent({
-    model: 'anthropic/claude-sonnet-4.6',
+    model: 'anthropic/claude-opus-5.5',
     token: connectGithubToken('github/my-connector', { preset }),
     preset,
     requireApproval: false,
@@ -252,7 +252,7 @@ function specialist(preset: 'code-review' | 'issue-triage' | 'release-manager',
 }
 
 export const manager = new ToolLoopAgent({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   instructions: 'Route GitHub requests to the right specialist tool: reviewer, triager, or releaser.',
   tools: {
     reviewer: specialist('code-review', 'Reviews pull requests and drafts review comments.'),
diff --git a/apps/docs/content/docs/3.examples/7.recipes.md b/apps/docs/content/docs/3.examples/7.recipes.md
index 9bfe7a8..066344e 100644
--- a/apps/docs/content/docs/3.examples/7.recipes.md
+++ b/apps/docs/content/docs/3.examples/7.recipes.md
@@ -42,7 +42,7 @@ import { createGithubTools } from '@github-tools/sdk'
 import { generateText } from 'ai'
 
 const { text } = await generateText({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   tools: createGithubTools({
     preset: 'issue-triage',
     requireApproval: {
@@ -69,7 +69,7 @@ For behavior shared across multiple calls, use `createGithubAgent` once and call
 import { createGithubAgent } from '@github-tools/sdk'
 
 const reviewer = createGithubAgent({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   preset: 'code-review',
   system: `
     You review pull requests for code quality and security issues.
@@ -88,7 +88,7 @@ import { createGithubTools } from '@github-tools/sdk'
 import { streamText } from 'ai'
 
 const result = streamText({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   tools: createGithubTools({ preset: 'repo-explorer' }),
   prompt: 'Find all TypeScript files that export a function named "create" in vercel-labs/github-tools and explain what each one does.',
 })
@@ -107,7 +107,7 @@ import { createGithubTools } from '@github-tools/sdk'
 import { generateText } from 'ai'
 
 const { text } = await generateText({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   tools: createGithubTools({
     preset: 'maintainer',
     requireApproval: true,
@@ -138,7 +138,7 @@ const index = createToolIndex(tools, {
 })
 
 const result = await generateText({
-  model: openai('gpt-4o'),
+  model: 'anthropic/claude-opus-5.5',
   tools,
   prepareStep: index.prepareStep(),
   prompt: 'Check if the CI is passing on the main branch of vercel/ai.',
@@ -150,7 +150,7 @@ Each step, toolpick picks the best ~5 tools. All tools remain callable, only the
 ```ts [with-reranking.ts]
 const index = createToolIndex(tools, {
   embeddingModel: openai.embeddingModel('text-embedding-3-small'),
-  rerankerModel: openai('gpt-4o-mini'),
+  rerankerModel: 'anthropic/claude-opus-5.5',
 })
 ```
 
@@ -170,7 +170,7 @@ const log = createLogger()
 const ai = createAILogger(log, { toolInputs: { maxLength: 500 } })
 
 const result = await generateText({
-  model: ai.wrap('anthropic/claude-sonnet-4.6'),
+  model: ai.wrap('anthropic/claude-opus-5.5'),
   tools: createGithubTools({ preset: 'code-review' }),
   prompt: 'Review the latest PR on vercel-labs/github-tools.',
 })
diff --git a/apps/docs/content/docs/4.guide/3.commit-attribution.md b/apps/docs/content/docs/4.guide/3.commit-attribution.md
index 4544900..fa374f7 100644
--- a/apps/docs/content/docs/4.guide/3.commit-attribution.md
+++ b/apps/docs/content/docs/4.guide/3.commit-attribution.md
@@ -99,7 +99,7 @@ The same options work with `createGithubAgent` and `createDurableGithubAgent`:
 import { createGithubAgent } from '@github-tools/sdk'
 
 const agent = createGithubAgent({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   preset: 'maintainer',
   coAuthors: [
     { name: 'my-bot[bot]', email: '12345+my-bot[bot]@users.noreply.github.com' }
diff --git a/apps/docs/content/docs/4.guide/4.tokens-and-auth.md b/apps/docs/content/docs/4.guide/4.tokens-and-auth.md
index cfc21bb..ee1d03f 100644
--- a/apps/docs/content/docs/4.guide/4.tokens-and-auth.md
+++ b/apps/docs/content/docs/4.guide/4.tokens-and-auth.md
@@ -94,7 +94,7 @@ import { connectGithubTools } from '@github-tools/sdk/connect'
 import { generateText } from 'ai'
 
 const { text } = await generateText({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   tools: connectGithubTools('github/my-connector', { preset: 'code-review' }),
   prompt: 'Summarize the open PRs on my-org/my-repo.',
 })
diff --git a/apps/docs/content/docs/4.guide/5.vercel-connect.md b/apps/docs/content/docs/4.guide/5.vercel-connect.md
index aa0e466..2429cd2 100644
--- a/apps/docs/content/docs/4.guide/5.vercel-connect.md
+++ b/apps/docs/content/docs/4.guide/5.vercel-connect.md
@@ -32,7 +32,7 @@ const tools = connectGithubTools('github/my-connector', {
 })
 
 const { text } = await generateText({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   tools,
   prompt: 'Summarize open PRs on my-org/my-repo.',
 })
@@ -48,7 +48,7 @@ The [eve extension](/frameworks/eve-extension) (recommended) takes a `connector`
 import { defineAgent } from 'eve'
 
 export default defineAgent({
-  model: 'anthropic/claude-sonnet-5',
+  model: 'anthropic/claude-opus-5.5',
 })
 ```
 
@@ -79,7 +79,7 @@ For production implementations, see the [Software Factory and Incident Response
 import { defineAgent } from 'eve'
 
 export default defineAgent({
-  model: 'anthropic/claude-sonnet-5',
+  model: 'anthropic/claude-opus-5.5',
   // TODO(eve-connect-bundle): remove when eve externalizes transitive @vercel/connect
   build: {
     externalDependencies: ['@vercel/connect'],
diff --git a/apps/docs/content/docs/4.guide/6.working-context.md b/apps/docs/content/docs/4.guide/6.working-context.md
index 8464ef2..d40a89e 100644
--- a/apps/docs/content/docs/4.guide/6.working-context.md
+++ b/apps/docs/content/docs/4.guide/6.working-context.md
@@ -37,7 +37,7 @@ const tools = createGithubTools({
 })
 
 const agent = createGithubAgent({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   preset: 'code-review',
   context: { owner: 'vercel', repo: 'ai', pullNumber: 42 },
 })
@@ -80,7 +80,7 @@ Call independent follow-up reads **in the same step** when you already know the
 import { createGithubAgent } from '@github-tools/sdk'
 
 const agent = createGithubAgent({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   preset: 'code-review',
   context: { owner: 'vercel-labs', repo: 'github-tools', pullNumber: 39 },
 })
diff --git a/apps/docs/content/docs/5.api/2.reference.md b/apps/docs/content/docs/5.api/2.reference.md
index bd802fe..1a20922 100644
--- a/apps/docs/content/docs/5.api/2.reference.md
+++ b/apps/docs/content/docs/5.api/2.reference.md
@@ -109,7 +109,7 @@ const tools = createGithubTools({
 })
 
 const agent = createGithubAgent({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   preset: 'code-review',
   context: { owner: 'vercel', repo: 'ai', pullNumber: 42 },
 })
@@ -220,7 +220,7 @@ Use this when you want:
 import { createGithubAgent } from '@github-tools/sdk'
 
 const agent = createGithubAgent({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   preset: 'code-review',
   system: 'You review PRs for security issues. Cite file paths and line numbers.',
 })
@@ -247,7 +247,7 @@ export async function githubAssistant(messages: ModelMessage[], token: string) {
   'use workflow'
 
   const agent = createDurableGithubAgent({
-    model: 'anthropic/claude-sonnet-4.6',
+    model: 'anthropic/claude-opus-5.5',
     token,
     preset: 'maintainer',
     requireApproval: true,
diff --git a/apps/docs/content/docs/6.deprecated/1.eve.md b/apps/docs/content/docs/6.deprecated/1.eve.md
index 2b717b7..3ab73eb 100644
--- a/apps/docs/content/docs/6.deprecated/1.eve.md
+++ b/apps/docs/content/docs/6.deprecated/1.eve.md
@@ -71,7 +71,7 @@ Ask before merging or closing anything destructive.
 import { defineAgent } from 'eve'
 
 export default defineAgent({
-  model: 'anthropic/claude-sonnet-5',
+  model: 'anthropic/claude-opus-5.5',
 })
 ```
 
@@ -204,7 +204,7 @@ Skip `GITHUB_TOKEN` entirely and mint the token from a Connect connector. `conne
 import { defineAgent } from 'eve'
 
 export default defineAgent({
-  model: 'anthropic/claude-sonnet-5',
+  model: 'anthropic/claude-opus-5.5',
   // TODO(eve-connect-bundle): remove when eve externalizes transitive @vercel/connect
   build: {
     externalDependencies: ['@vercel/connect'],
diff --git a/apps/docs/skills/github-tools-agents/SKILL.md b/apps/docs/skills/github-tools-agents/SKILL.md
index 7a45d53..6bad09f 100644
--- a/apps/docs/skills/github-tools-agents/SKILL.md
+++ b/apps/docs/skills/github-tools-agents/SKILL.md
@@ -55,7 +55,7 @@ await generateText({
 import { createGithubAgent } from '@github-tools/sdk'
 
 const agent = createGithubAgent({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   preset: 'code-review',
   context: { owner: 'vercel', repo: 'ai', pullNumber: 42 },
 })
diff --git a/examples/eve/agent/agent.ts b/examples/eve/agent/agent.ts
index 593c9d1..a4bd671 100644
--- a/examples/eve/agent/agent.ts
+++ b/examples/eve/agent/agent.ts
@@ -1,5 +1,5 @@
 import { defineAgent } from 'eve'
 
 export default defineAgent({
-  model: 'anthropic/claude-sonnet-5',
+  model: 'anthropic/claude-opus-5.5',
 })
diff --git a/examples/pr-review-agent/README.md b/examples/pr-review-agent/README.md
index 299165e..a1b0e78 100644
--- a/examples/pr-review-agent/README.md
+++ b/examples/pr-review-agent/README.md
@@ -117,7 +117,7 @@ The agent uses the `code-review` preset which includes tools for reading PRs, fi
 
 ```ts
 const agent = createGithubAgent({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   preset: 'maintainer', // ← change preset
   requireApproval: false,
 })
@@ -128,9 +128,9 @@ const agent = createGithubAgent({
 Replace the model string with any [AI Gateway](https://vercel.com/docs/ai-gateway) model:
 
 ```ts
-model: 'openai/gpt-4.1'
-model: 'google/gemini-2.5-pro'
-model: 'anthropic/claude-sonnet-4.6'
+model: 'openai/gpt-6-sol'
+model: 'google/gemini-3.8-flash'
+model: 'anthropic/claude-opus-5.5'
 ```
 
 ### Adding platforms
diff --git a/examples/pr-review-agent/server/workflows/review.ts b/examples/pr-review-agent/server/workflows/review.ts
index 2ed72bc..9fafeab 100644
--- a/examples/pr-review-agent/server/workflows/review.ts
+++ b/examples/pr-review-agent/server/workflows/review.ts
@@ -12,11 +12,11 @@ async function runAgentTurn(prompt: string, instructions: string, ctx: GitHubCon
   const log = createLogger()
   const ai = createAILogger(log, {
     toolInputs: { maxLength: 500 },
-    cost: { 'claude-sonnet-4.6': { input: 3, output: 15 } },
+    cost: { 'claude-opus-5.5': { input: 4, output: 20 } },
   })
 
   const agent = createGithubAgent({
-    model: ai.wrap('anthropic/claude-sonnet-4.6') as any,
+    model: ai.wrap('anthropic/claude-opus-5.5') as any,
     token: connectGithubToken(CONNECTOR, { preset: 'code-review' }),
     preset: 'code-review',
     requireApproval: false,
diff --git a/packages/github-tools/README.md b/packages/github-tools/README.md
index 8b4c9a7..106f209 100644
--- a/packages/github-tools/README.md
+++ b/packages/github-tools/README.md
@@ -247,7 +247,7 @@ const index = createToolIndex(tools, {
 })
 
 const result = await generateText({
-  model: openai('gpt-4o'),
+  model: 'anthropic/claude-opus-5.5',
   tools,
   prepareStep: index.prepareStep(),
   prompt: 'List open PRs on vercel/ai and summarize them.',
@@ -266,7 +266,7 @@ Use `WorkflowAgent` via the `@github-tools/sdk/workflow` subpath to make every L
 import { createDurableGithubAgent } from '@github-tools/sdk/workflow'
 
 const agent = createDurableGithubAgent({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   token: process.env.GITHUB_TOKEN!,
   preset: 'maintainer',
 })
@@ -692,7 +692,7 @@ import { createGithubAgent } from '@github-tools/sdk'
 
 // Prefer a preset: scoped tools + tailored prompt
 const reviewer = createGithubAgent({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   token: process.env.GITHUB_TOKEN!,
   preset: 'code-review',
   context: { owner: 'vercel', repo: 'ai', pullNumber: 42 },
@@ -700,7 +700,7 @@ const reviewer = createGithubAgent({
 
 // Add context to the built-in prompt
 const triager = createGithubAgent({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   token: process.env.GITHUB_TOKEN!,
   preset: 'issue-triage',
   additionalInstructions: 'Focus on the nuxt/ui repository. Always respond in French.',
@@ -708,14 +708,14 @@ const triager = createGithubAgent({
 
 // Full catalog (omit preset or use maintainer)
 const agent = createGithubAgent({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   token: process.env.GITHUB_TOKEN!,
   preset: 'maintainer',
 })
 
 // Full override: replace the built-in prompt entirely
 const custom = createGithubAgent({
-  model: 'anthropic/claude-sonnet-4.6',
+  model: 'anthropic/claude-opus-5.5',
   token: process.env.GITHUB_TOKEN!,
   instructions: 'You are a security auditor. Only flag security-related issues.',
 })
@@ -727,7 +727,7 @@ const stream = reviewer.stream({ prompt: 'Review this PR' })
 
 | Option | Description |
 |---|---|
-| `model` | Language model: string (`'anthropic/claude-sonnet-4.6'`) or provider instance |
+| `model` | Language model: string (`'anthropic/claude-opus-5.5'`) or provider instance |
 | `token` | GitHub token string or async provider |
 | `preset` | Optional preset or array of presets to scope tools |
 | `context` | Default owner / repo / pullNumber / issueNumber / ref for tools and the system prompt |
@@ -760,7 +760,7 @@ import type { ModelMessage, UIMessageChunk } from 'ai'
 async function chatWorkflow(messages: ModelMessage[], token: string) {
   "use workflow"
   const agent = createDurableGithubAgent({
-    model: 'anthropic/claude-sonnet-4.6',
+    model: 'anthropic/claude-opus-5.5',
     token,
     preset: 'code-review',
   })
@@ -778,7 +778,7 @@ import { createGithubAgent } from '@github-tools/sdk'
 async function agentTurn(prompt: string) {
   "use step"
   const agent = createGithubAgent({
-    model: 'anthropic/claude-sonnet-4.6',
+    model: 'anthropic/claude-opus-5.5',
     preset: 'code-review',
     requireApproval: false,
   })
diff --git a/packages/github-tools/src/agents.ts b/packages/github-tools/src/agents.ts
index b1f82b6..8f3bd41 100644
--- a/packages/github-tools/src/agents.ts
+++ b/packages/github-tools/src/agents.ts
@@ -201,7 +201,7 @@ export function createGithubAgent<P extends readonly GithubToolPreset[]>(
  * import { createGithubAgent } from '@github-tools/sdk'
  *
  * const agent = createGithubAgent({
- *   model: 'anthropic/claude-sonnet-4.6',
+ *   model: 'anthropic/claude-opus-5.5',
  *   token: process.env.GITHUB_TOKEN!,
  *   preset: 'code-review',
  *   context: { owner: 'vercel', repo: 'ai', pullNumber: 42 },
diff --git a/packages/github-tools/src/workflow.ts b/packages/github-tools/src/workflow.ts
index 5f10cdb..4834ee1 100644
--- a/packages/github-tools/src/workflow.ts
+++ b/packages/github-tools/src/workflow.ts
@@ -189,7 +189,7 @@ export type CreateDurableGithubAgentOptions =
  * async function chatWorkflow(messages: ModelMessage[], token: string) {
  *   "use workflow"
  *   const agent = createDurableGithubAgent({
- *     model: 'anthropic/claude-sonnet-4.6',
+ *     model: 'anthropic/claude-opus-5.5',
  *     token,
  *     preset: 'code-review',
  *   })