OpenAI o3 Mini High is the high-compute variant of o3 Mini, released February 2025. It posts strong livecodebench and GPQA scores, and its ifbench instruction-following score is among the better results in its generation. Tool use and function calling are supported, and the 200K context window handles long documents and complex codebases well.

For businesses, o3 Mini High is a strong fit for coding assistance, structured content generation, and instruction-sensitive workflows where output reliability matters. The high ifbench score makes it particularly well-suited to client-facing content tasks where precise instruction following is critical. It is not a frontier model on raw intelligence, but it punches above its weight on practical business tasks.

At $1.10 input and $4.40 output, pricing is the same as the standard o3 Mini. Teams that need better reasoning depth than the base variant, without stepping up to the full o3 or GPT-5 series, will find o3 Mini High a well-calibrated choice from a provider with strong enterprise support.

Assessed June 17, 2026

Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?