All Models
gpt-5.1
GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning...
Available Providers (17)
| Provider | Model ID | Input Cost | Output Cost | Context | Max Output | Docs |
|---|---|---|---|---|---|---|
 GitHub Copilot | gpt-5.1 | $0.00/MTok | $0.00/MTok | 264K | 64K | |
 OpenCode Zen | gpt-5.1 | $1.07/MTok | $8.50/MTok | 400K | 128K | |
 Poe | openai/gpt-5.1 | $1.10/MTok | $9.00/MTok | 400K | 128K | |
 Jiekou.AI | gpt-5.1 | $1.13/MTok | $9.00/MTok | 400K | 128K | |
 302.AI | gpt-5.1 | $1.25/MTok | $10.00/MTok | 400K | 128K | |
 NanoGPT | openai/gpt-5.1 | $1.25/MTok | $10.00/MTok | 400K | 128K | |
 Abacus | gpt-5.1 | $1.25/MTok | $10.00/MTok | 400K | 128K | |
 Perplexity Agent | openai/gpt-5.1 | $1.25/MTok | $10.00/MTok | 400K | 128K | |
 OpenRouter | openai/gpt-5.1 | $1.25/MTok | $10.00/MTok | 400K | 128K | |
 ZenMux | openai/gpt-5.1 | $1.25/MTok | $10.00/MTok | 400K | 64K | |
 Cloudflare AI Gateway | openai/gpt-5.1 | $1.25/MTok | $10.00/MTok | 400K | 128K | |
 AIHubMix | gpt-5.1 | $1.25/MTok | $10.00/MTok | 400K | 128K | |
 Azure Cognitive Services | gpt-5.1 | $1.25/MTok | $10.00/MTok | 272K | 128K | |
 OpenAI | gpt-5.1 | $1.25/MTok | $10.00/MTok | 400K | 128K | |
 Requesty | openai/gpt-5.1 | $1.25/MTok | $10.00/MTok | 400K | 128K | |
 LLM Gateway | gpt-5.1 | $1.25/MTok | $10.00/MTok | 400K | 128K | |
 Azure | gpt-5.1 | $1.25/MTok | $10.00/MTok | 272K | 128K |
Capabilities
Reasoning
Tool Calling
Attachments
Open Weights
Structured Output