o3-pro Pricing
OpenAI · OpenAI's most powerful reasoning model for the hardest problems. Premium pricing
Save up to 70% on o3-pro API cost
Same model, same quality — pay less per token than the official API. Pay-as-you-go, no credit card required.
Other OpenAI Models
GPT-5.5GPT-5.4GPT-4.1GPT-4.1 MiniGPT-4.1 NanoGPT-4oGPT-4o Minio3o4-miniGPT-4 TurboText Embedding 3 LargeSora 1o3-pro Pricing Context
Pricing position within OpenAI
o3-pro is the most expensive active model from OpenAI at $20.00/1M input — the premium tier. The cheapest sibling costs $0.10/1M (100% less). Reserve o3-pro for tasks where its capabilities justify the premium; route bulk traffic to cheaper siblings.
When o3-pro is worth the cost
o3-pro is deployed for problems that need structured thinking — math derivations, logic puzzles, scientific analysis, and multi-step research synthesis. The reasoning chain adds latency, so reserve it for tasks where a standard chat model produces shallow or incorrect answers. For routine Q&A and summarization, a cheaper sibling model is more cost-effective.
Cost vs sibling models
What makes o3-pro different from sibling models: compared to GPT-5.5 ($15.00/1M cheaper, 256K vs 200K context (larger)); GPT-5.4 ($17.50/1M cheaper, 256K vs 200K context (larger)); GPT-4.1 ($18.00/1M cheaper, 1M vs 200K context (larger)). Choose o3-pro when step-by-step reasoning matters more than speed.
Real-world cost scenarios
Real-world deployments: math problem solving, scientific research synthesis, multi-step logical analysis, and structured decision support systems. o3-pro excels where standard chat models produce shallow answers — the reasoning chain catches edge cases that faster models miss.