o3

OPENAI Developer Architecture Profile

OpenRouter ↗HuggingFace ↗

Intelligence (ELO)1431Chatbot Arena Verified

Max Context Limit200,000Max Out: 100,000 tokens

Prompt Caching75% OFF$0.50 / 1M cached

Standard API / 1M$10.00🧠 Deep Reasoner

Model Capabilities & Contract SLAs

Coding & Logic
Reasoning
Agentic
Top Tier
Fictional
📋 Strict JSON Schema
🛠️ Native Tool Calling
🧠 Extended Test-Time Reasoning

o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following....

Granular Pricing Matrix

Input Tokens (Standard Prompt)$2.00 / 1M

⚡ Cached Input (Prompt Cache Read)75% OFF$0.50 / 1M

Output Tokens (Completion)$8.00 / 1M

Pricing data via OpenRouter. Sync: 10/2/2026

Evaluate Competitors

VS Engine Matchupo3 vs Mistral: Mistral Medium 3.5 (batch)VS Engine Matchupo3 vs OpenAI: GPT Mini Latest VS Engine Matchupo3 vs SpaceXAI: Grok 4.20 Multi-Agent VS Engine Matchupo3 vs Qwen: Qwen3 Coder 30B A3B Instruct VS Engine Matchupo3 vs Qwen: Qwen3 235B A22B VS Engine Matchupo3 vs DeepSeek: DeepSeek V3