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O3-Mini — and what?

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 1 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

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O3-Mini
openai/o3-mini
Provider
OpenAI
Family
o-series
Modality
text
Context window
200,000 tok
Max output
100,000 tok
Released
2026-05-22
License
Open-weight
Input price
$1.10 /1M
Output price
$4.40 /1M
Tools
Streaming
yes
Vision
JSON mode
Reasoning
Prompt caching
Batch API
Try it
Open in playground →
O3-Mini
openai/o3-mini
Full spec →

o3-mini is the lightweight, low-cost reasoning variant of o3, well suited to quick analytical tasks at scale.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows