Major Release OpenAI · Released
GPT-5.4 mini
What is GPT-5.4 mini?
GPT-5.4 mini is a Major Release AI model from OpenAI, released on March 17, 2026. It has a 400K tokens context window, costs $0.75 per million input tokens, and scores 1456 on Chatbot Arena Elo. It is available via the company's API.
OpenAI GPT-5.4 mini — AA Intelligence Index 48.9, 400K tokens context, reasoning model.
How much does GPT-5.4 mini cost?
| Metric | Price |
|---|---|
| input per mtok | $0.75 |
| output per mtok | $4.50 |
| cache read per mtok | $0.07 |
Pricing data verified .
What context window does GPT-5.4 mini have?
- Context window
- 400K tokens
- Max output
- 128K
- Input modalities
- text, image
- Output modalities
- text
How does GPT-5.4 mini score on benchmarks?
| Benchmark | Score |
|---|---|
| GPQA Diamond | 87.5% |
| HLE | 26.6% |
| SciCode | 49.9% |
| TAU2-bench | 83.3% |
| TerminalBench-Hard | 52.3% |
| IF-Bench | 73.3% |
| LiveCodeBench Reasoning | 69.3% |
| AA Intelligence Index | 48.9 |
| Chatbot Arena Elo | 1456 |
Benchmark scores verified .