GPT-4.1 Nano is the fastest, most cost-efficient version of OpenAI's GPT-4.1, built for instruction following and tool calling without a reasoning step. It takes text and image input and produces text output, with a 1M-token context window and up to 32K output tokens.
Modalities
In / out price
$0.10 / $0.40per 1M
Cached price
$0.025per 1M
Context
1M
Max output
16K
Providers
1 routeCompare providers by price, privacy, and speed.
| Anonymous | $0.10 | $0.40 | $0.025 | 1M | 16K | — | — |
Privacy
1 / 4Anonymous routing
Anonymous tier
- Anonymous
- Private
- TEE
- E2EE
Your identity is hidden from the inference provider. The inference provider can see prompt content; zero retention is not guaranteed. Learn more
Features
4Streaming
Tool calling
Vision
Prompt caching
Uptime
FAQ
Common questions about GPT-4.1 Nano.