o4 Mini Pricing - Cost Calculator

Track o4-mini pricing with real-time alerts, compare providers, and monitor cost fluctuations to optimize your AI research investment.

o4 Mini is a legacy reasoning model from OpenAI, kept available since its release on 16 April 2025. It replaced o1 Mini, and is due to be replaced by GPT-5.6 Terra on 23 October 2026. A 200,000-token context window feeds responses of up to 100,000 tokens. It costs between $0.55 and $2.00 per million input tokens, depending on service tier.

Last updated Sep 27, 2026

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Model Details

Released
Apr 16, 2025
Status
Legacysunset Oct 23, 2026
Context Length
200,000
Max Output
100,000
Superseded By
GPT-5.6 Terra

Where is o4 Mini a perfect fit?

o4-mini is designed for complex, multi-step research tasks requiring deep reasoning and extensive context handling. It's ideal for:
- Academic research and literature reviews
- Policy analysis and strategic planning
- Market research and competitive analysis
- Scientific discovery and hypothesis generation
- Legal research and document analysis

Quick Model Estimate

(USD 1.1000 per 1M tokens)
(USD 4.4000 per 1M tokens)

Your o4 Mini Cost Estimate

💰 Total Cost

—

for 1000 input + 1000 output tokens

📥 Input (1000 × $1.100000) —
📤 Output (1000 × $4.400000) —

Cost Breakdown

📥 Input 📤 Output

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

Pricing

Provider ↕
Modality ↕
Service Tier ↕
Input Price
(per 1M tokens) ↕
Output Price
(per 1M tokens) ↕
Cached Input
(per 1M tokens) ↕
Context Size ↕
View
OpenAI LogoOpenAITextStandard$1.1000$4.4000$0.2750200,000 tokens→
OpenAI LogoOpenAITextBatch$0.5500$2.2000N/A200,000 tokens→
OpenAI LogoOpenAITextFlex$0.5500$2.2000$0.1380200,000 tokens→
OpenAI LogoOpenAITextPriority$2.0000$8.0000$0.5000200,000 tokens→

Other Models in the o4 Family

o4 Mini 2025-04-16

Legacy

Fine-tuning · 200,000 context

o4 Mini 2025-04-16 with data sharing

Legacy

Fine-tuning · 200,000 context

o4-Mini Deep Research

Deprecated

Reasoning · 200,000 context

FAQs about o4 Mini

How much does o4 Mini cost per 1M tokens?

o4 Mini costs between $0.55 and $2.00 per million input tokens, and between $2.20 and $8.00 per million output tokens. The range covers Standard, Batch, Flex and Priority pricing.

What does a typical workload cost with o4 Mini?

1,000 requests of 2,000 input and 500 output tokens each — 2,000,000 input and 500,000 output tokens in total — costs $2.20 with o4 Mini at its lowest rates. Use the calculator on this page for your own volumes.

Where can I use o4 Mini?

o4 Mini is available through OpenAI, from $0.55 per million input tokens.

Is there cheaper o4 Mini pricing than the standard rate?

Yes. Batch pricing for o4 Mini starts at $0.55 per million input tokens against $1.10 on the standard tier, about 50% lower.

What is o4 Mini's context window?

o4 Mini has a context window of 200,000 tokens, and returns up to 100,000 tokens in a single response.

Is o4 Mini still available?

o4 Mini is a legacy model and is scheduled for retirement on 23 October 2026. The replacement is GPT-5.6 Terra.