GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding,...
OpenAI: GPT-5.4 Mini — OpenAI. Context window 400,000 tokens. API pricing (per 1M tokens): Input $0.75, Output $4.5. License: Proprietary. LMArena 1,411. GPQA Diamond 86.9%.
| Provider | OpenAI |
|---|---|
| API model ID | openai/gpt-5.4-mini |
| Tier | Frontier |
| Context window | 400,000 tokens |
| Max output | 128,000 tokens |
| License | Proprietary |
| API pricing (per 1M tokens) · Input | $0.75 |
| API pricing (per 1M tokens) · Output | $4.5 |
| LMArena | 1,411 (gpt-5.4-mini-high) |
| GPQA Diamond | 86.9% |
LMArena (CC-BY 4.0, best reasoning setting, 2026-10-02) · GPQA Diamond: Epoch AI (CC-BY 4.0)
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