o1
OPENAI Developer Architecture Profile
Intelligence (ELO)1481Chatbot Arena Verified
Max Context Limit200,000Max Out: 100,000 tokens
Prompt Caching50% OFF$7.50 / 1M cached
Standard API / 1M$75.00🧠 Deep Reasoner
Model Capabilities & Contract SLAs
- Coding & Logic
- Reasoning
- Agentic
- Fictional
- 📋 Strict JSON Schema
- 🛠️ Native Tool Calling
- 🧠 Extended Test-Time Reasoning
The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. The o1 model series is trained with large-scale reinforcement learning to reason...
Granular Pricing Matrix
Input Tokens (Standard Prompt)$15.00 / 1M
⚡ Cached Input (Prompt Cache Read)50% OFF$7.50 / 1M
Output Tokens (Completion)$60.00 / 1M
Pricing data via OpenRouter. Sync: 10/2/2026
Evaluate Competitors
VS Engine Matchupo1 vs MoonshotAI: Kimi K3VS Engine Matchupo1 vs Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)VS Engine Matchupo1 vs OpenAI: GPT-5.1-CodexVS Engine Matchupo1 vs Sao10K: Llama 3.3 Euryale 70BVS Engine Matchupo1 vs OpenAI: GPT-4o-mini (2024-07-18)VS Engine Matchupo1 vs Google: Nano Banana Pro (Gemini 3 Pro Image)