How much does o3-mini cost per 1M tokens?

o3-mini costs $1.10 per 1M input tokens and $4.40 per 1M output tokens.

How much does o3-mini cost per request?

A typical request of 800 input and 200 output tokens costs about $0.0018 on o3-mini.

o3-mini is cheaper than o1 on input tokens, by about 93%.

Yes — cached input reads cost $0.55 per 1M tokens.

OpenAI

Small alternative to o3. Snapshot o3-mini-2025-01-31 marked deprecated.

Verified against OpenAI’s pricing page on 2026-07-02.

Legacy

Specs

Pricing (per 1M tokens)

Capabilities

reasoning, function-calling, structured-outputs

Notes

Small alternative to o3. Snapshot o3-mini-2025-01-31 marked deprecated.

Estimated monthly cost on three common usage shapes

Workload	Est. monthly cost
Chatbot 800 input / 200 output tokens per request, 100,000 requests/month	$176.00
RAG pipeline 6,000 input / 700 output tokens per request, 30,000 requests/month	$290.40
Batch summarization 20,000 input / 1,500 output tokens per request, 5,000 requests/month	$143.00

Workload

Est. monthly cost

Chatbot

800 input / 200 output tokens per request, 100,000 requests/month

$176.00

RAG pipeline

6,000 input / 700 output tokens per request, 30,000 requests/month

$290.40

Batch summarization

20,000 input / 1,500 output tokens per request, 5,000 requests/month

$143.00

Changes we have documented since we began tracking

No price changes recorded since we began tracking.

How much does o3-mini cost per 1M tokens?: o3-mini costs $1.10 per 1M input tokens and $4.40 per 1M output tokens.
How much does o3-mini cost per request?: A typical request of 800 input and 200 output tokens costs about $0.0018 on o3-mini.
Is o3-mini cheaper than o1?: o3-mini is cheaper than o1 on input tokens, by about 93%.
Does o3-mini have cache pricing?: Yes — cached input reads cost $0.55 per 1M tokens.

Provider

Related models

Comparisons