feat(opencode): AI SDK v6 Migration - v5 Compat Layer

flake.nix

@@ -26,7 +26,12 @@
             pkg-config
             openssl
             git
+            playwright-driver.browsers
           ];
+          shellHook = ''
+            export PLAYWRIGHT_BROWSERS_PATH="${pkgs.playwright-driver.browsers}"
+            export PLAYWRIGHT_SKIP_VALIDATE_HOST_REQUIREMENTS=true
+          '';
         };
       });
 

package.json

@@ -43,7 +43,7 @@
       "dompurify": "3.3.1",
       "drizzle-kit": "1.0.0-beta.12-a5629fb",
       "drizzle-orm": "1.0.0-beta.12-a5629fb",
-      "ai": "5.0.124",
+      "ai": "6.0.111",
       "hono": "4.10.7",
       "hono-openapi": "1.1.2",
       "fuzzysort": "3.1.0",
@@ -106,7 +106,6 @@
     "@types/node": "catalog:"
   },
   "patchedDependencies": {
-    "@standard-community/standard-openapi@0.2.9": "patches/@standard-community%2Fstandard-openapi@0.2.9.patch",
-    "@openrouter/ai-sdk-provider@1.5.4": "patches/@openrouter%2Fai-sdk-provider@1.5.4.patch"
+    "@standard-community/standard-openapi@0.2.9": "patches/@standard-community%2Fstandard-openapi@0.2.9.patch"
   }
 }

packages/console/function/package.json

@@ -17,9 +17,9 @@
     "@typescript/native-preview": "catalog:"
   },
   "dependencies": {
-    "@ai-sdk/anthropic": "2.0.0",
-    "@ai-sdk/openai": "2.0.2",
-    "@ai-sdk/openai-compatible": "1.0.1",
+    "@ai-sdk/anthropic": "3.0.53",
+    "@ai-sdk/openai": "3.0.39",
+    "@ai-sdk/openai-compatible": "2.0.30",
     "@hono/zod-validator": "catalog:",
     "@opencode-ai/console-core": "workspace:*",
     "@opencode-ai/console-resource": "workspace:*",

packages/opencode/package.json

@@ -55,28 +55,27 @@
     "@actions/core": "1.11.1",
     "@actions/github": "6.0.1",
     "@agentclientprotocol/sdk": "0.14.1",
-    "@ai-sdk/amazon-bedrock": "3.0.82",
-    "@ai-sdk/anthropic": "2.0.65",
-    "@ai-sdk/azure": "2.0.91",
-    "@ai-sdk/cerebras": "1.0.36",
-    "@ai-sdk/cohere": "2.0.22",
-    "@ai-sdk/deepinfra": "1.0.36",
-    "@ai-sdk/gateway": "2.0.30",
-    "@ai-sdk/google": "2.0.54",
-    "@ai-sdk/google-vertex": "3.0.106",
-    "@ai-sdk/groq": "2.0.34",
-    "@ai-sdk/mistral": "2.0.27",
-    "@ai-sdk/openai": "2.0.89",
-    "@ai-sdk/openai-compatible": "1.0.32",
-    "@ai-sdk/perplexity": "2.0.23",
-    "@ai-sdk/provider": "2.0.1",
-    "@ai-sdk/provider-utils": "3.0.21",
-    "@ai-sdk/togetherai": "1.0.34",
-    "@ai-sdk/vercel": "1.0.33",
-    "@ai-sdk/xai": "2.0.51",
+    "@ai-sdk/amazon-bedrock": "4.0.73",
+    "@ai-sdk/anthropic": "3.0.54",
+    "@ai-sdk/azure": "3.0.40",
+    "@ai-sdk/cerebras": "2.0.37",
+    "@ai-sdk/cohere": "3.0.23",
+    "@ai-sdk/deepinfra": "2.0.37",
+    "@ai-sdk/gateway": "3.0.63",
+    "@ai-sdk/google": "3.0.37",
+    "@ai-sdk/google-vertex": "4.0.73",
+    "@ai-sdk/groq": "3.0.27",
+    "@ai-sdk/mistral": "3.0.22",
+    "@ai-sdk/openai": "3.0.39",
+    "@ai-sdk/openai-compatible": "2.0.33",
+    "@ai-sdk/perplexity": "3.0.21",
+    "@ai-sdk/provider": "3.0.8",
+    "@ai-sdk/provider-utils": "4.0.17",
+    "@ai-sdk/togetherai": "2.0.37",
+    "@ai-sdk/vercel": "2.0.35",
+    "@ai-sdk/xai": "3.0.64",
     "@aws-sdk/credential-providers": "3.993.0",
     "@clack/prompts": "1.0.0-alpha.1",
-    "@gitlab/gitlab-ai-provider": "3.6.0",
     "@gitlab/opencode-gitlab-auth": "1.3.3",
     "@hono/standard-validator": "0.1.5",
     "@hono/zod-validator": "catalog:",
@@ -88,7 +87,7 @@
     "@opencode-ai/script": "workspace:*",
     "@opencode-ai/sdk": "workspace:*",
     "@opencode-ai/util": "workspace:*",
-    "@openrouter/ai-sdk-provider": "1.5.4",
+    "@openrouter/ai-sdk-provider": "2.2.3",
     "@opentui/core": "0.1.86",
     "@opentui/solid": "0.1.86",
     "@parcel/watcher": "2.5.1",
@@ -98,7 +97,7 @@
     "@standard-schema/spec": "1.0.0",
     "@zip.js/zip.js": "2.7.62",
     "ai": "catalog:",
-    "ai-gateway-provider": "2.3.1",
+    "ai-gateway-provider": "3.1.1",
     "bonjour-service": "1.3.0",
     "bun-pty": "0.4.8",
     "chokidar": "4.0.3",
@@ -107,6 +106,7 @@
     "diff": "catalog:",
     "drizzle-orm": "1.0.0-beta.12-a5629fb",
     "fuzzysort": "3.1.0",
+    "gitlab-ai-provider": "5.0.0",
     "glob": "13.0.5",
     "google-auth-library": "10.5.0",
     "gray-matter": "4.0.3",

packages/opencode/src/agent/agent.ts

@@ -1,7 +1,7 @@
 import { Config } from "../config/config"
 import z from "zod"
 import { Provider } from "../provider/provider"
-import { generateObject, streamObject, type ModelMessage } from "ai"
+import { generateText, streamText, Output, type ModelMessage } from "ai"
 import { SystemPrompt } from "../session/system"
 import { Instance } from "../project/instance"
 import { Truncate } from "../tool/truncation"
@@ -311,15 +311,17 @@ export namespace Agent {
         },
       ],
       model: language,
-      schema: z.object({
-        identifier: z.string(),
-        whenToUse: z.string(),
-        systemPrompt: z.string(),
+      output: Output.object({
+        schema: z.object({
+          identifier: z.string(),
+          whenToUse: z.string(),
+          systemPrompt: z.string(),
+        }),
       }),
-    } satisfies Parameters<typeof generateObject>[0]
+    } satisfies Parameters<typeof generateText>[0]
 
     if (defaultModel.providerID === "openai" && (await Auth.get(defaultModel.providerID))?.type === "oauth") {
-      const result = streamObject({
+      const result = streamText({
         ...params,
         providerOptions: ProviderTransform.providerOptions(model, {
           instructions: SystemPrompt.instructions(),
@@ -330,10 +332,13 @@ export namespace Agent {
       for await (const part of result.fullStream) {
         if (part.type === "error") throw part.error
       }
-      return result.object
+      const output = await result.output
+      if (!output) throw new Error("Failed to generate agent configuration")
+      return output
     }
 
-    const result = await generateObject(params)
-    return result.object
+    const result = await generateText(params)
+    if (!result.output) throw new Error("Failed to generate agent configuration")
+    return result.output
   }
 }

packages/opencode/src/provider/provider.ts

@@ -3,7 +3,7 @@ import os from "os"
 import fuzzysort from "fuzzysort"
 import { Config } from "../config/config"
 import { mapValues, mergeDeep, omit, pickBy, sortBy } from "remeda"
-import { NoSuchModelError, type Provider as SDK } from "ai"
+import { NoSuchModelError, type Provider as SDK, type LanguageModel } from "ai"
 import { Log } from "../util/log"
 import { BunProc } from "../bun"
 import { Plugin } from "../plugin"
@@ -27,7 +27,7 @@ import { createVertex } from "@ai-sdk/google-vertex"
 import { createVertexAnthropic } from "@ai-sdk/google-vertex/anthropic"
 import { createOpenAI } from "@ai-sdk/openai"
 import { createOpenAICompatible } from "@ai-sdk/openai-compatible"
-import { createOpenRouter, type LanguageModelV2 } from "@openrouter/ai-sdk-provider"
+import { createOpenRouter } from "@openrouter/ai-sdk-provider"
 import { createOpenaiCompatible as createGitHubCopilotOpenAICompatible } from "./sdk/copilot"
 import { createXai } from "@ai-sdk/xai"
 import { createMistral } from "@ai-sdk/mistral"
@@ -39,11 +39,12 @@ import { createGateway } from "@ai-sdk/gateway"
 import { createTogetherAI } from "@ai-sdk/togetherai"
 import { createPerplexity } from "@ai-sdk/perplexity"
 import { createVercel } from "@ai-sdk/vercel"
-import { createGitLab, VERSION as GITLAB_PROVIDER_VERSION } from "@gitlab/gitlab-ai-provider"
+import { createGitLab, VERSION as GITLAB_PROVIDER_VERSION } from "gitlab-ai-provider"
 import { fromNodeProviderChain } from "@aws-sdk/credential-providers"
 import { GoogleAuth } from "google-auth-library"
 import { ProviderTransform } from "./transform"
 import { Installation } from "../installation"
+import { shimLanguageModel, shimProvider } from "./shim"
 
 export namespace Provider {
   const log = Log.create({ service: "provider" })
@@ -84,7 +85,12 @@ export namespace Provider {
     })
   }
 
-  const BUNDLED_PROVIDERS: Record<string, (options: any) => SDK> = {
+  // Provider factories return varying types: most @ai-sdk/* packages are ProviderV3 while legacy
+  // third-party packages (e.g. GitLab, Venice) may still return ProviderV2. shimProvider() in
+  // ./shim.ts wraps v2 providers/models to v3 transparently at load time so all downstream code
+  // sees a consistent v3 interface. Typed as `any` because not all providers expose the full
+  // provider interface (e.g. missing embeddingModel).
+  const BUNDLED_PROVIDERS: Record<string, (options: any) => any> = {
     "@ai-sdk/amazon-bedrock": createAmazonBedrock,
     "@ai-sdk/anthropic": createAnthropic,
     "@ai-sdk/azure": createAzure,
@@ -104,7 +110,7 @@ export namespace Provider {
     "@ai-sdk/togetherai": createTogetherAI,
     "@ai-sdk/perplexity": createPerplexity,
     "@ai-sdk/vercel": createVercel,
-    "@gitlab/gitlab-ai-provider": createGitLab,
+    "gitlab-ai-provider": createGitLab,
     // @ts-ignore (TODO: kill this code so we dont have to maintain it)
     "@ai-sdk/github-copilot": createGitHubCopilotOpenAICompatible,
   }
@@ -791,7 +797,7 @@ export namespace Provider {
     }
 
     const providers: { [providerID: string]: Info } = {}
-    const languages = new Map<string, LanguageModelV2>()
+    const languages = new Map<string, LanguageModel>()
     const modelLoaders: {
       [providerID: string]: CustomModelLoader
     } = {}
@@ -1138,8 +1144,9 @@ export namespace Provider {
           name: model.providerID,
           ...options,
         })
-        s.sdk.set(key, loaded)
-        return loaded as SDK
+        const shimmed = shimProvider(loaded)
+        s.sdk.set(key, shimmed)
+        return shimmed as SDK
       }
 
       let installedPath: string
@@ -1150,15 +1157,23 @@ export namespace Provider {
         installedPath = model.api.npm
       }
 
-      const mod = await import(installedPath)
-
-      const fn = mod[Object.keys(mod).find((key) => key.startsWith("create"))!]
-      const loaded = fn({
-        name: model.providerID,
-        ...options,
-      })
-      s.sdk.set(key, loaded)
-      return loaded as SDK
+      try {
+        const mod = await import(installedPath)
+        const fn = mod[Object.keys(mod).find((key) => key.startsWith("create"))!]
+        const loaded = fn({
+          name: model.providerID,
+          ...options,
+        })
+        const shimmed = shimProvider(loaded)
+        s.sdk.set(key, shimmed)
+        return shimmed as SDK
+      } catch (e) {
+        log.warn("failed to load provider - it may not be compatible with AI SDK v6", {
+          providerID: model.providerID,
+          pkg: model.api.npm,
+        })
+        throw e
+      }
     } catch (e) {
       throw new InitError({ providerID: model.providerID }, { cause: e })
     }
@@ -1188,7 +1203,7 @@ export namespace Provider {
     return info
   }
 
-  export async function getLanguage(model: Model): Promise<LanguageModelV2> {
+  export async function getLanguage(model: Model): Promise<LanguageModel> {
     const s = await state()
     const key = `${model.providerID}/${model.id}`
     if (s.models.has(key)) return s.models.get(key)!
@@ -1197,9 +1212,10 @@ export namespace Provider {
     const sdk = await getSDK(model)
 
     try {
-      const language = s.modelLoaders[model.providerID]
+      const raw = s.modelLoaders[model.providerID]
         ? await s.modelLoaders[model.providerID](sdk, model.api.id, provider.options)
         : sdk.languageModel(model.api.id)
+      const language = shimLanguageModel(raw)
       s.models.set(key, language)
       return language
     } catch (e) {

packages/opencode/src/provider/sdk/copilot/chat/convert-to-openai-compatible-chat-messages.ts

@@ -1,16 +1,16 @@
 import {
-  type LanguageModelV2Prompt,
-  type SharedV2ProviderMetadata,
+  type LanguageModelV3Prompt,
+  type SharedV3ProviderMetadata,
   UnsupportedFunctionalityError,
 } from "@ai-sdk/provider"
 import type { OpenAICompatibleChatPrompt } from "./openai-compatible-api-types"
 import { convertToBase64 } from "@ai-sdk/provider-utils"
 
-function getOpenAIMetadata(message: { providerOptions?: SharedV2ProviderMetadata }) {
+function getOpenAIMetadata(message: { providerOptions?: SharedV3ProviderMetadata }) {
   return message?.providerOptions?.copilot ?? {}
 }
 
-export function convertToOpenAICompatibleChatMessages(prompt: LanguageModelV2Prompt): OpenAICompatibleChatPrompt {
+export function convertToOpenAICompatibleChatMessages(prompt: LanguageModelV3Prompt): OpenAICompatibleChatPrompt {
   const messages: OpenAICompatibleChatPrompt = []
   for (const { role, content, ...message } of prompt) {
     const metadata = getOpenAIMetadata({ ...message })
@@ -126,10 +126,13 @@ export function convertToOpenAICompatibleChatMessages(prompt: LanguageModelV2Pro
       }
 
       case "tool": {
-        for (const toolResponse of content) {
+        for (const toolResponseRaw of content) {
+          // Skip tool approval responses (V3 addition) - only process tool results
+          if (toolResponseRaw.type !== "tool-result") continue
+          const toolResponse = toolResponseRaw
           const output = toolResponse.output
 
-          let contentValue: string
+          let contentValue = ""
           switch (output.type) {
             case "text":
             case "error-text":
@@ -140,9 +143,14 @@ export function convertToOpenAICompatibleChatMessages(prompt: LanguageModelV2Pro
             case "error-json":
               contentValue = JSON.stringify(output.value)
               break
+            default: {
+              // Unknown tool output type — skip rather than forward an empty string
+              console.warn(`[copilot] unsupported tool output type: ${(output as any).type} — skipping`)
+              continue
+            }
           }
 
-          const toolResponseMetadata = getOpenAIMetadata(toolResponse)
+          const toolResponseMetadata = getOpenAIMetadata(toolResponse as any)
           messages.push({
             role: "tool",
             tool_call_id: toolResponse.toolCallId,

packages/opencode/src/provider/sdk/copilot/chat/map-openai-compatible-finish-reason.ts

@@ -1,6 +1,6 @@
-import type { LanguageModelV2FinishReason } from "@ai-sdk/provider"
+type V3FinishReasonUnified = "stop" | "length" | "content-filter" | "tool-calls" | "error" | "other"
 
-export function mapOpenAICompatibleFinishReason(finishReason: string | null | undefined): LanguageModelV2FinishReason {
+export function mapOpenAICompatibleFinishReason(finishReason: string | null | undefined): V3FinishReasonUnified {
   switch (finishReason) {
     case "stop":
       return "stop"
@@ -12,6 +12,6 @@ export function mapOpenAICompatibleFinishReason(finishReason: string | null | un
     case "tool_calls":
       return "tool-calls"
     default:
-      return "unknown"
+      return "other"
   }
 }