Expired50% confidenceFactExact time
Mainstream model APIs from OpenAI, Anthropic, and others all support passing in a JSON Schema at call time to constrain output format
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/20/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/18/2026(expired)
Sources
Related Claims
UnverifiedMainstream LLM platforms including OpenAI, Anthropic, and Google Gemini already support passing in JSON Schema at the API level to constrain model generation.82% similarUnverifiedJCode supports multi-provider login, enabling simultaneous integration with different AI model services such as OpenAI, Anthropic, and local models.81% similarUnverifiedAchieving compatibility with the OpenAI format requires precise alignment of SSE streaming output format, JSON Schema definitions for Function Calling, and error code semantic mapping, enabling proxy tools such as LiteLLM to achieve transparent compatibility.78% similarVerifiedOpenAI launched the Function Calling specification in 2023, allowing developers to describe function interfaces in JSON Schema format, with the model autonomously deciding when to call them and what parameters to pass.78% similar
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