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Description
o3-mini-high is OpenAI's cost-efficient reasoning model with extended chain-of-thought processing, multimodal input support, and a 200k token context window.
OpenAI's frontier model for complex professional workloads. 1M token context, text + image input, native computer use.
I/O price /1M
$0.55/$2.20
$5.00/$30.00
Input /1M
$0.55
$5.00
Output /1M
$2.20
$30.00
Cached in /1M
$0.275
$0.5
Context
200K
1M
Δ input since launch
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Δ output since launch
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Released
Feb 2025
Apr 2026
Status
—
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Provider
OpenAI
OpenAI