LLMAPI only
GPT-5 mini
OpenAI
Updated May 21, 2026 · Benchmarks via Artificial Analysis, specs & pricing via OpenRouter · Methodology · Report an error
Superseded by GPT-5.4 mini
Specifications
- Type
- LLM
- Access
- API only
- Released
- August 7, 2025
- License
- Proprietary
- Context window
- 400,000 tokens
- Knowledge cutoff
- May 30, 2024
- Output speed
- 200 tok/s
- Latency (TTFT)
- 1s
- Input
- Text, Image
- Output
- Text
- API pricing
- $0.25 in · $2.00 out / 1M tokens
Capabilities
Function callingStructured outputWeb searchCode execution
Benchmarks
Reasoning
| GPQA Diamond | 82.3 |
Coding
| LiveCodeBench | 83.8 |
Math
| AIME 2025 | 91.1 |
| FrontierMath | 22.1 |
| HMMT 2025 | 87.8 |
General
| Humanity’s Last Exam | 16.7 |
| MMLU-Pro | 83.7 |
Our take
Cost-efficient GPT-5 tier with the same 400K context and modalities at roughly a fifth of the flagship input price.