o3 Pricing - Cost Calculator

Monitor o3 model pricing with real-time alerts, compare providers, and track cost fluctuations to optimize your AI investment strategy.

o3 is a reasoning model from OpenAI, released 16 April 2025. It works across a 200,000-token context window and returns up to 100,000 tokens. Input costs $1.00 to $3.50 per million tokens through OpenAI.

Last updated Sep 27, 2026

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Model Details

Released
Apr 16, 2025
Context Length
200,000
Max Output
100,000

Where is o3 a perfect fit?

o3 is ideal for tasks requiring advanced reasoning and large context handling, such as:
- 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

(USD 2.0000 per 1M tokens)
(USD 8.0000 per 1M tokens)

Your o3 Cost Estimate

๐Ÿ’ฐ Total Cost

โ€”

for 1000 input + 1000 output tokens

๐Ÿ“ฅ Input (1000 ร— $2.000000) โ€”
๐Ÿ“ค Output (1000 ร— $8.000000) โ€”

Cost Breakdown

๐Ÿ“ฅ Input ๐Ÿ“ค Output

Prices are watched for changes and checked against the provider's own page.

Pricing

Provider โ†•
Modality โ†•
Service Tier โ†•
Input Price
(per 1M tokens)
โ†•
Output Price
(per 1M tokens)
โ†•
Cached Input
(per 1M tokens)
โ†•
Context Size โ†•
View
OpenAI LogoOpenAITextStandard$2.0000$8.0000$0.5000200,000 tokensโ†’
OpenAI LogoOpenAITextBatch$1.0000$4.0000N/A200,000 tokensโ†’
OpenAI LogoOpenAITextFlex$1.0000$4.0000$0.2500200,000 tokensโ†’
OpenAI LogoOpenAITextPriority$3.5000$14.0000$0.8750200,000 tokensโ†’

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 โ€” 2,000,000 input and 500,000 output tokens in total โ€” 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.