GPT-5.4 Nano
GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is designed for low-latency...
The figures
- Made by
- OpenAI
- Model ID
- openai/gpt-5.4-nano
- Input
- $0.2 per million tokens
- Output
- $1.25 per million tokens
- Context window
- 400K tokens
- Longest answer
- 128K tokens
- Takes in
- file, image, text
- Gives back
- text
- Reasoning
- Yes
- Tool calling
- Yes
- Reads images
- Yes
- Open weights
- No
- Released
- 17 Mar 2026
Read on 3 Oct 2026.