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Balanced — strong quality at a mid priceCommercial API
o3 Mini Pricing
OpenAI · openai-o3-mini
Input / 1M tokens
$1.10
Output / 1M tokens
$4.40
Context window
200k tokens
≈ 267 pages of text
Max output
100k tokens
What it costs in practice
Typical request (1,200 in + 400 out tokens)$0.0031
1,000 requests / month$3.08/mo10,000 requests / month$30.80/mo100,000 requests / month$308.00/moEstimate your own workloadOpens the calculator with o3 Mini preloaded — adjust volume and token counts there.
Price history
Only one price point recorded so far.
The staircase chart appears once a price change is detected.
What it excels at
Delivers strong results on coding, math, and structured reasoning tasks at substantially lower cost than full-scale o-series models.
The business tradeoff
Reduced depth on highly complex, multi-step problems relative to non-mini o3 variants; output-token pricing remains elevated for its tier.
Cheaper from OpenAI
Head-to-head
Vendor list rates, as of Jun 15, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.