o3 Pro
OPENAI Developer Architecture Profile
Intelligence (ELO)1300Chatbot Arena Verified
Max Context200,000Tokens
API Cost / 1M$100.00Blended Prompt + Completion
Model Capabilities
- Coding & Logic
- Reasoning
- Agentic
- Fictional
The o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o3-pro model uses more compute to think harder and provide consistently better answers.
Note that BYOK is required for this model. Set up here: https://openrouter.ai/settings/integrations
Granular Pricing Matrix
Input Tokens (Prompt)$20.00 / 1M
Output Tokens (Completion)$80.00 / 1M
Pricing data via OpenRouter. Sync: 3/16/2026
Evaluate Competitors
VS Engine Matchupo3 Pro vs Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)VS Engine Matchupo3 Pro vs Google: Gemini 3.1 Pro Preview Custom ToolsVS Engine Matchupo3 Pro vs OpenAI: GPT-5.2-CodexVS Engine Matchupo3 Pro vs Google: Gemini 3 Flash PreviewVS Engine Matchupo3 Pro vs OpenAI: GPT-5.2 ProVS Engine Matchupo3 Pro vs OpenAI: GPT-5.2