All Models
OpenAI: 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 (2)
| Provider | Model ID | Input Cost | Output Cost | Context | Max Output | Docs |
|---|---|---|---|---|---|---|
 Kilo Gateway | openai/gpt-5.1 | $1.25/MTok | $10.00/MTok | 400K | 128K | |
 Helicone | gpt-5.1 | $1.25/MTok | $10.00/MTok | 400K | 128K |
Capabilities
Reasoning
Tool Calling
Attachments
Open Weights
Structured Output