AI model · OpenAI
GPT-4.1 Nano
Model ID: openai/gpt-4.1-nano
- Input
- $0.10 per 1M tokens
- Output
- $0.40 per 1M tokens
- Context
- 1M tokens at once
- Max output
- 33K tokens per reply
- Released
- 14 Apr 2025 OpenAI
What it can do
- NoReasoning
- YesTool calling
- YesImage input
- NoOpen weights
- NoFree to use
Takes image, text, file; gives text.
How its listing describes it
For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series. It delivers exceptional performance at a small size with its 1 million...
Sources
- OpenAI: GPT-4.1 Nano on OpenRouter — read 2 Oct 2026