feat: migrate providers to support new top-level reasoning parameter#13648
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felixarntz merged 9 commits intomainfrom Mar 20, 2026
Merged
feat: migrate providers to support new top-level reasoning parameter#13648felixarntz merged 9 commits intomainfrom
reasoning parameter#13648felixarntz merged 9 commits intomainfrom
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… support top-level reasoning parameter
lgrammel
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felixarntz
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…rameter (#13649) ## Background A new top-level `reasoning` parameter was added to the AI SDK spec in #13553 and is supported in `generateText`/`streamText`. Providers that don't natively support reasoning configuration need to emit an unsupported warning when a custom reasoning value is passed, rather than silently ignoring it. ## Summary - Added unsupported-feature warnings to `perplexity`, `mistral`, and `prodia` providers when `isCustomReasoning(reasoning)` returns `true` - Added documentation to `architecture/provider-abstraction.md` explaining how providers should handle the `reasoning` parameter (effort mapping, budget mapping, or unsupported warning). Together with #13648, this completes the work on #12516. ## Manual Verification N/A ## Checklist - [x] Tests have been added / updated (for bug fixes / features) - [x] Documentation has been added / updated (for bug fixes / features) - [x] A _patch_ changeset for relevant packages has been added (for bug fixes / features - run `pnpm changeset` in the project root) - [x] I have reviewed this pull request (self-review) ## Future Work N/A ## Related Issues See #12516.
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Background
The new top-level
reasoningparameter was added to the AI SDK spec and core in #13553. Providers need to be migrated to translate this parameter into their native reasoning/thinking configuration.Summary
Migrates 7 providers to support the new top-level
reasoningparameter:reasoningto existing thinking support (already had infrastructure, just needed wiring)reasoningtoreasoning_effortin provider optionsreasoningtoreasoning_effortfor both chat and responses modelsreasoningtoreasoning_effortin provider optionsreasoningtoreasoning.effortin the responses formatreasoningtoenable_thinking+thinking_budgetvia token budget calculationreasoningtothinking.type+thinking.token_budgetvia token budget calculationTogether with #13649, this completes the work on #12516.
Manual Verification
Relevant examples were updated or added, then run for verification.
Checklist
pnpm changesetin the project root)Future Work
N/A
Related Issues
See #12516.