GPT-5.1 Chat
OpenAI · openai/gpt-5.1-chat
GPT-5.1 Chat (AKA Instant is the fast, lightweight member of the 5.1 family, optimized for low-latency chat while retaining strong general intelligence. It uses adaptive reasoning to selectively “think” on...
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Context
Max context: 128000
Max output: 32000
Max output: 32000
Pricing
Input / 1M: 1.25
Output / 1M: 10.00
Blend / 1M: 5.63
Output / 1M: 10.00
Blend / 1M: 5.63
Quality
Quality index: 85.7
Provider
Provider: OpenAI
Moderated: no
Moderated: no