LLMAPI only
o1-preview
OpenAI
Updated May 21, 2026 · Benchmarks via Artificial Analysis, specs & pricing via OpenRouter · Methodology · Report an error
Specifications
- Type
- LLM
- Access
- API only
- Released
- September 12, 2024
- License
- proprietary
- Context window
- 128,000 tokens
- Output speed
- 66 tok/s
- Latency (TTFT)
- 0.54s
- API pricing
- $15.00 in · $60.00 out / 1M tokens
Capabilities
Function callingStructured output
Benchmarks
Reasoning
| GPQA Diamond | 73.3 |