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I was hoping the OpenResponses API would be a meaningful step forward deal with the LLM API standardisation headaches, but right now the spec is really undercooked. There are lots of inconsistencies/contradictions between the reference schemas and what the specification says! www.openresponses.org

openresponses.orgOpen ResponsesOpen Responses documentation overview.

12/2/26, 11:01 am0 reposts2 likes

atharva

@atharvaraykar.com

12 Feb

It's also OpenAI-led and the reference schema is more-or-less identical to the current Responses API. It doesn't seem like Anthropic or Google have bought into this—they have competing formats. The vendors that are bought in don't have fully compliant implementations yet.