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GPT-5.4 Mini: price, performance and context
Proprietary GPT-5.4 Mini by OpenAI costs $0.75 per 1M input and $4.50 per 1M output tokens, handles up to 400K tokens in one request (≈ 1,200 pages of text) and scores 24.1 points on the AgentKernel performance index, rank 74 of 212.
Privacy: zero data retention with one provider, not in the EU. Availability over the last 24 h: 100%.
Updated Oct 09, 2026, 16:49 UTC · openai/gpt-5.4-mini
Open in the interactive comparison
Key facts
- Licence
- Proprietary: no public weights, only through a provider API
- Input / 1M tokens
- $0.75
- Output / 1M tokens
- $4.50
- Context window
- 400K tokens
- Max. output
- 128K tokens
- Performance index
- 24.1 points · rank 74 of 212
- Coding index
- 56.1 points · rank 43 of 119
- Agentic index
- 17.9 points · rank 46 of 91
- Cost at your usage
- $1.875 / month
- Knowledge cutoff
- Aug 2025
- In the catalog since
- Mar 17, 2026
- Capabilities
- Reasoning, Vision, Tool Calling, Files
What do you get for $10.00?
Rules of thumb from the cost calculator, base rates without caching or taxes.
| Task | Cost per task | For $10.00 |
|---|
| Chat repliesA question with a short history, a detailed answer | $0.002 | 4,000 |
| Email draftsBullet points in, a finished email out | $0.002 | 5,000 |
| Document summariesRead 10 pages, write a one-page summary | $0.005 | 2,100 |
| Code reviewsReview and comment on 500 lines of code | $0.009 | 1,200 |
| Book analysesAnalyse a 300-page book in one go | $0.084 | 120 |
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