OpenAI: GPT-5.4 Mini
OpenAI
OpenAI: GPT-5.4 Mini by OpenAI costs $0.75 per 1M input tokens and $4.50 per 1M output tokens, with a 400K-token context window.
Pricing
Input (per 1M tokens)
$0.75
Output (per 1M tokens)
$4.50
Cached input (per 1M)
$0.08
| Provider | Input / 1M | Output / 1M |
|---|---|---|
| openrouter | $0.75 | $4.50 |
| OpenAI | $0.75 | $4.50 |
Specifications
- Provider
- OpenAI
- Context window
- 400K tokens
- Parameters
- —
- Released
- Mar 2026
- Open weights
- No
- Frontier model
- No
Benchmarks
- FrontierMath
- 28.3
- GPQA Diamond
- 86.9
- LiveBench
- 66.4
- LMArena Vision Elo
- 1245.0
- LMArena WebDev Elo
- 1397.6
Speed & latency
Time to first token
0.66s
Output speed
157 tok/s
Fastest host: openai (via vercel-ai-gateway).
Compare OpenAI: GPT-5.4 Mini with…
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FAQ
How much does OpenAI: GPT-5.4 Mini cost?
OpenAI: GPT-5.4 Mini is priced at $0.75 per 1M input tokens and $4.50 per 1M output tokens. Output tokens cost more than input.
What is OpenAI: GPT-5.4 Mini's context window?
OpenAI: GPT-5.4 Mini supports a context window of 400K tokens — the maximum prompt plus response length it can handle in a single request.
Is OpenAI: GPT-5.4 Mini open weight?
No — OpenAI: GPT-5.4 Mini is a closed/proprietary model accessed via API.
Data as of 2026-10-14. Source: Pricing via OpenRouter API, openrouter.ai. Pricing is per 1M tokens (USD); confirm with the provider before production use.