OpenAI Reasoning Model text

o3-mini Pricing & Token Costs

Official API rate card for o3-mini provided by OpenAI. All token pricing is normalized per 1 Million tokens ($/1M).

Token Pricing Rates ($/1M Tokens)

Input Tokens 1.1000 per 1M tokens
Output Tokens 4.4000 per 1M tokens
Prompt Cache Read $0.5500 per 1M tokens
Prompt Cache Write $1.1000 per 1M tokens

Technical Specifications

Provider
OpenAI
Context Window
200k tokens (200,000)
Max Output Tokens
100k tokens (100,000)
Reasoning Architecture
Yes
Supported Modalities
text

Estimated Inference Costs

Example cost calculation for standard application workloads assuming a 3:1 input-to-output token ratio.

100,000 requests (500 in / 150 out) 0.12
1,000,000 requests (1,000 in / 300 out) 2.42
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