GPT-5.4 nano
by Impossibl · family gpt-nano · listed Mar 2026RTV
Cheapest GPT-5.4 lane for simple routing, extraction, and bulk automation
Current rates USD per 1M tokens
Input$0.20
Output$1.25
Cache read$0.02
Cache write—
Against the market
On the record
- Model id
openai/gpt-5.4-nano- Context window
- 400K tokens
- Max output
- 128K tokens
- Input modalities
- text, image
- Output modalities
- text
- Reasoning
- yes
- Tool calls
- yes
- Open weights
- no
- Knowledge cutoff
- Aug 2025
- Released
- 2026-03-17
- Last updated
- 2026-03-17
- Provider docs
- impossibl.com/docs/models
Back of the envelope
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