gpt-5.1-instant
GPT-5.1 Instant (or GPT-5.1 chat) is a warmer and more conversational version of GPT-5-chat, with improved instruction following and adaptive reasoning for deciding when to think before responding.
| Provider | Source | Input Price ($/1M) | Output Price ($/1M) | Description | Free |
|---|---|---|---|---|---|
| vercel | vercel | Input: $1.25 | Output: $10.00 | GPT-5.1 Instant (or GPT-5.1 chat) is a warmer and more conversational version of GPT-5-chat, with improved instruction following and adaptive reasoning for deciding when to think before responding. | |
| poe | poe | Input: $1.10 | Output: $9.00 | OpenAI’s most flagship model optimized for conversational intelligence. It excels at natural dialogue, contextual memory, and adaptive tone, making it perfect for interactive agents, tutoring, and customer support. It balances speed, reliability, and empathy for seamless real‑time communication. Supports 128k tokens of input context. |