GPT-5.1
openai/gpt-5.1
- context
- 400K
- modalities
- image, text, file → text
- capabilities
- Tool use, Reasoning, Vision, Structured output, Long context
Overview
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...
Providers
- AzureView Azure
- OpenAIView OpenAI
Access method depends on provider and account setup.
Pricing
| provider | input / 1M | output / 1M |
|---|---|---|
| Azureazure | $1.25 | $10.00 |
| Azureazure/swedencentral | $1.375 | $11.00 |
| OpenAIopenai | $1.25 | $10.00 |
| OpenAIopenai/fast | $2.50 | $20.00 |
| OpenAIopenai/flex | $0.625 | $5.00 |
Azure
azure
- input / 1M
- $1.25
- output / 1M
- $10.00
Azure
azure/swedencentral
- input / 1M
- $1.375
- output / 1M
- $11.00
OpenAI
openai
- input / 1M
- $1.25
- output / 1M
- $10.00
OpenAI
openai/fast
- input / 1M
- $2.50
- output / 1M
- $20.00
OpenAI
openai/flex
- input / 1M
- $0.625
- output / 1M
- $5.00
Use this model
through Nautili
Route requests to GPT-5.1 through your Nautili gateway using a supported SDK or the Nautili SDK.
Connect your stack to Nautili
Route across supported providers through one control layer.