o3 Pro pricing & price history
o3 Pro by OpenAI costs $20.00 per 1M input tokens and $80.00 per 1M output tokens, with a 200K token context window.
Price history
No price changes since tracking began on 2026-09-24. We check hourly.
Cost calculator
Cheaper alternatives to o3 Pro
| Model | Input | Output | Context | Intel. | |
|---|---|---|---|---|---|
M Ministral 3 8B 2512 Mistral AI | $0.15 | $0.15 | 262K | 5.5 | compare |
M Llama 4 Scout Meta Llama | $0.10 | $0.30 | 1.3M | — | compare |
X MiMo-V2.6-Flash Xiaomi | $0.14 | $0.28 | 1M | — | compare |
M Llama Guard 4 12B Meta Llama | $0.18 | $0.18 | 164K | — | compare |
O GPT-6 Luna Pro OpenAI | $0.10 | $0.50 | 1.1M | — | compare |
O GPT-6 Luna OpenAI | $0.10 | $0.50 | 1.1M | 37.3 | compare |
N | $0.20 | $0.20 | 131K | — | compare |
M Ministral 3 14B 2512 Mistral AI | $0.20 | $0.20 | 262K | 6 | compare |
About o3 Pro
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...
FAQ
How much does o3 Pro cost?
o3 Pro by OpenAI costs $20.00 per 1M input tokens and $80.00 per 1M output tokens, with a 200K token context window. A typical request with 2,000 input and 500 output tokens costs about $0.08.
What is the context window of o3 Pro?
o3 Pro supports up to 200,000 tokens of context and up to 100,000 output tokens per request.
Has o3 Pro’s price changed?
No price changes recorded since ModelBank started tracking it on 2026-09-24.
Is o3 Pro being deprecated?
No retirement date has been announced for o3 Pro as of 2026-09-24.
What are cheaper alternatives to o3 Pro?
Cheaper options include Ministral 3 8B 2512 ($0.15/$0.15), Llama 4 Scout ($0.10/$0.30), MiMo-V2.6-Flash ($0.14/$0.28), Llama Guard 4 12B ($0.18/$0.18).