All modelsCalculate what your real prompts cost on GPT-5.4 Mini
GPT-5.4 Mini
OpenAI model, released 17 Mar 2026.
$0.75
per 1M input tokens
$4.50
per 1M output tokens
$0.075
per 1M cached-read tokens
Price history
Price stable since we started tracking (7 Jul 2026). History will chart here as soon as it moves.
Specifications
- Lab
- OpenAI
- Released
- 17 Mar 2026
- Context window
- 400k tokens
- Max output
- 128k tokens
- Input modalities
- file, image, text
- Output modalities
- text
- Knowledge cutoff
- 2025-08-31
- Open source
- No
Benchmarks
| Benchmark | Category | Score | As of |
|---|---|---|---|
| LMArena (Chatbot Arena) | coding | 1439.5 (1433.5–1445.5) | 12 Aug 2026 |
| LMArena (Chatbot Arena) | overall | 1412.1 (1408.3–1415.9) | 12 Aug 2026 |
LMArena (Chatbot Arena) data © their authors, CC-BY-4.0
Frequently asked questions
How much does GPT-5.4 Mini cost?
GPT-5.4 Mini costs $0.75 per 1M input tokens and $4.50 per 1M output tokens (list price, updated every 6 hours).
What is GPT-5.4 Mini's context window?
GPT-5.4 Mini supports a 400k-token context window with up to 128k output tokens.