feat(ai): add --latest model version resolution support #11564
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Adds automatic model version resolution using --latest suffix. Users can now use model IDs like 'anthropic:claude-sonnet--latest' which automatically resolve to the newest version. - Added LATEST_VERSIONS mapping for major providers (Anthropic, OpenAI, Google, etc.) - Added resolveLatestVersion() function to handle version resolution - Modified provider registry languageModel() to use version resolution - Added comprehensive test coverage (5 tests, all passing) - Added usage example demonstrating the feature This allows centralized version management - when providers release new versions, users only need to update the mapping file instead of changing code throughout their application.
vercel-ai-sdk
bot
added
ai/core
ai/provider
provider/anthropic
provider/cohere
Collaborator
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Hardcoding provider specific model ids in the ai package is not something we want to do. |
Author
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thanks for the feedback, makes sense! would it be okay if i move the version mappings to individual provider packages or make it user configurable in the registry? |
Collaborator
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let me discuss internally how to approach this; i can see the use case |
Author
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sure, thanks! looking forward to hearingback! |
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Background
When AI providers release new model versions (e.g., Anthropic's
claude-sonnet-4-5→claude-sonnet-5-0), users currently need to update model IDs throughout their entire codebase. This creates maintenance overhead and makes applications brittle to version changes.Summary
Added automatic model version resolution using
--latestsuffix (similar to Docker's:latesttag). Users can now reference models likeanthropic:claude-sonnet--latestwhich automatically resolves to the newest version defined in a centralized mapping file.Changes:
LATEST_VERSIONSmapping for major providers (Anthropic, OpenAI, Google, Mistral, DeepSeek, xAI, Cohere, Groq)resolveLatestVersion()function to handle version resolutionlanguageModel()method to use version resolutionManual Verification
pnpm build)--latestsuffixChecklist
pnpm changesetin the project root)Future Work
--latestsupport for other model types (embedding, image, transcription, speech)--stable,--experimental)LATEST_VERSIONSmappingRelated Issues
N/A - This is a new feature enhancement