OpenAI • COMMERCIAL API

OpenAI o1

OpenAI milestone reinforcement-learned reasoning model that pioneered test-time compute search scaling.

Metric Dimension Verified Value Evaluation Benchmark
Chatbot Arena Elo 1365 pts LMSYS Live Battles
Coding Index 96 / 100 SWE-bench Verified
Agentic Tool-Use 94 / 100 Multi-Turn Tool Calls
Input Rate $15.00 / 1M Commercial Token API
Output Rate $60.00 / 1M Generation Billing
Context Horizon 200k Maximum Token Window