Model Details
Where is o3 a perfect fit?
- Complex problem-solving in scientific research
- Detailed legal document analysis
- In-depth financial modeling and forecasting
- Comprehensive code generation and debugging
- Multimodal tasks integrating text and images
Quick Model Estimate
Your o3 Cost Estimate
💰 Total Cost
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for 1000 input + 1000 output tokens
Cost Breakdown
Prices are watched for changes and checked against the provider's own page.
Pricing
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Input Price
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Output Price
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Cached Input
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Context Size
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 OpenAI | Text | Standard | $2.0000 | $8.0000 | $0.5000 | 200,000 tokens | → |
| OpenAI | Text | Batch | $1.0000 | $4.0000 | N/A | 200,000 tokens | → |
| OpenAI | Text | Flex | $1.0000 | $4.0000 | $0.2500 | 200,000 tokens | → |
| OpenAI | Text | Priority | $3.5000 | $14.0000 | $0.8750 | 200,000 tokens | → |
Recent changes
When o3 was newly listed on a provider, moved to legacy or deprecated, or retired.
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Legacy
OpenAI moved o3 to legacy, retiring it on 11th Dec 2026, with GPT-5.6 Sol as the suggested replacement.
Other Models in the o3 Family
FAQs about o3
How much does o3 cost per 1M tokens?
o3 costs between $1.00 and $3.50 per million input tokens, and between $4.00 and $14.00 per million output tokens. The range covers Standard, Batch, Flex and Priority pricing.
What does a typical workload cost with o3?
1,000 requests of 2,000 input and 500 output tokens each — 2,000,000 input and 500,000 output tokens in total — costs $4.00 with o3 at its lowest rates. Use the calculator on this page for your own volumes.
Where can I use o3?
o3 is available through OpenAI, from $1.00 per million input tokens.
Is there cheaper o3 pricing than the standard rate?
Yes. Batch pricing for o3 starts at $1.00 per million input tokens against $2.00 on the standard tier, about 50% lower.
What is o3's context window?
o3 has a context window of 200,000 tokens, and returns up to 100,000 tokens in a single response.
Is o3 still available?
o3 is a legacy model and is scheduled for retirement on 11 December 2026. The replacement is GPT-5.6 Sol.