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feat: bump AI SDK to v6 + add Opus 4.6 adaptive thinking by cascadingstyletrees · Pull Request #13228 · anomalyco/opencode · GitHub

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feat: bump AI SDK to v6 + add Opus 4.6 adaptive thinking - #13228

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feat: bump AI SDK to v6 + add Opus 4.6 adaptive thinking#13228
cascadingstyletrees wants to merge 2 commits into
anomalyco:devfrom
cascadingstyletrees:feat/opus-4-6-adaptive-thinking

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cascadingstyletrees commented Feb 12, 2026

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Fixes #13227

Bumps the full AI SDK ecosystem from v5 to v6 and adds Claude Opus 4.6 adaptive thinking support.

Changes

SDK bump (17 files, 199+/171-):

  • ai core: 5.0.124 → 6.0.81
  • @ai-sdk/provider: 2.0.1 → 3.0.8
  • @ai-sdk/provider-utils: 3.0.20 → 4.0.14
  • All 16 @ai-sdk/* provider packages to latest

Breaking change fixes:

  • Renamed createProviderDefinedToolFactory* → createProviderToolFactory* (6 files)
  • Removed deprecated name property from tool factories (6 files)
  • LanguageModelV2 → LanguageModel union for V2/V3 compat
  • convertToModelMessages is now async → toModelMessages made async + callers updated
  • LanguageModelV3Middleware requires specificationVersion
  • PromiseLike doesn't have .catch() → wrapped with Promise.resolve()
  • Provider factory type relaxed for v3 interface compat

Opus 4.6 variants (transform.ts):

  • high: adaptive thinking + effort high
  • max: adaptive thinking + effort max
  • fast: adaptive thinking + effort high + speed fast

Verification

  • bun install ✓
  • bun run typecheck ✓ (all 12 packages)
  • bun run build --single ✓
  • Binary runs, opencode models lists all providers correctly
  • Pre-push hook passes (full turbo typecheck pipeline)

feat: bump AI SDK to v6 + add Opus 4.6 adaptive thinking variants
fd78ec6 
- Bump ai core 5.0.124 to 6.0.81
- Bump @ai-sdk/provider 2.0.1 to 3.0.8
- Bump @ai-sdk/provider-utils 3.0.20 to 4.0.14
- Bump all 16 @ai-sdk/* provider packages to latest
- Fix renamed exports: createProviderDefined* to createProviderTool* (6 files)
- Remove deprecated 'name' property from tool factories (6 files)
- Fix LanguageModel V2/V3 type compatibility across provider, session, and transform
- Make toModelMessages async (convertToModelMessages is now async in ai@6)
- Add Opus 4.6 variant detection in transform.ts (high/max/fast)

github-actions Bot commented Feb 12, 2026

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The following comment was made by an LLM, it may be inaccurate:

Based on my search, I found 2 potentially related PRs:

  1. PR fix(provider): split Bedrock Opus 4.6 into 200K and 1M variants #13200: fix(provider): split Bedrock Opus 4.6 into 200K and 1M variants

    • Related because it also addresses Opus 4.6 variants, though focused on Bedrock provider

  2. PR feat(provider): add adaptive thinking and 1M context support for Claude Opus 4.6 #12342: feat(provider): add adaptive thinking and 1M context support for Claude Opus 4.6

    • Related because it previously added adaptive thinking support for Opus 4.6 - the current PR (13228) may supersede or build upon this earlier work

These could be checking if there's overlap in the Opus 4.6 adaptive thinking implementation between these PRs.

cascadingstyletrees mentioned this pull request Feb 12, 2026
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cascadingstyletrees commented Feb 12, 2026

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Closing in favor of #12342 which covers the same SDK v6 bump + Opus 4.6 adaptive thinking support, plus additional fixes (token counting, plugin). Apologies for the duplicate.

altendky mentioned this pull request Mar 10, 2026
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[FEATURE]: Add Claude Opus 4.6 adaptive thinking support

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