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(fix: ai-openai) Remove strict param from the OpenAI request body #6188

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Merged
IMax153 merged 1 commit into from
Apr 18, 2026
Merged

(fix: ai-openai) Remove strict param from the OpenAI request body #6188

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5 changes: 5 additions & 0 deletions .changeset/sour-parks-trade.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"@effect/ai-openai": patch
---

Previously, setting `strict: false` on `OpenAiLanguageModel` config caused a 400 "Unknown parameter: 'strict'" response from the OpenAI Responses API, because the flag was spread into the top-level request body instead of being consumed only by the tool and response_format schema builders. The `strict` flag is now stripped from the request body while still controlling `strict` on tool schemas (`prepareTools`) and json_schema response formats (`prepareResponseFormat`).
3 changes: 2 additions & 1 deletion packages/ai/openai/src/OpenAiLanguageModel.ts
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Expand Up @@ -287,8 +287,9 @@ export const make = Effect.fnUntraced(function*(options: {
const include = prepareInclude(providerOptions, config)
const responseFormat = prepareResponseFormat(providerOptions)
const verbosity = config.text?.verbosity
const { strict: _strict, ...requestConfig } = config
const request: typeof Generated.CreateResponse.Encoded = {
...config,
...requestConfig,
input: messages,
include,
text: { format: responseFormat, verbosity },
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