gpt-5.1-chat-latest

by OpenAI

GPT-5.1 Chat refers to the GPT-5.1 snapshot currently used in ChatGPT and is optimized for conversational use cases. While GPT-5.1 is recommended for most API applications, GPT-5.1 Chat is ideal for testing the latest improvements in chat-based interactions.

API Pricing

Specifications

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Use gpt-5.1-chat-latest via the AIHubMix unified API — one interface for every major LLM.