gpt-5.1
by Jiekou.AI · family gpt · listed Feb 2026RTV
GPT model for general reasoning, writing, coding, and tool-assisted tasks
Current rates USD per 1M tokens
Input$1.13
Output$9.00
Cache read—
Cache write—
Against the market
On the record
- Model id
gpt-5.1- 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
- —
- Released
- 2026-02
- Last updated
- 2026-02
Back of the envelope
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