O3 Mini

by OpenAI

Reasoning model with adjustable thinking. Use reasoning_effort low/medium/high. No temperature support.

Key info

Input
Output
Features
Context window
200K
Max output
100K
Input price
$1.10 /1M
Output price
$4.40 /1M
  • US residency available
  • Zero data retention via Enterprise
  • No training by default
  • GDPR DPA available

Benchmarks

Independent benchmark scores — composite indices for reasoning, coding, and math, plus individual eval scores where available.

Global rank#194 of 518 LLMs
TierEfficient
Output speed163 tok/s
First token8.98s
Intelligence Index25.9
Coding Index17.9
MMLU-Pro
79%
GPQA Diamond
75%
Humanity's Last Exam
9%
LiveCodeBench
72%
SciCode
40%
Terminal-Bench Hard
7%
τ²-Bench Telecom
29%

Available routes

O3 Mini runs on 1 route through the Opper gateway. Compare residency, ZDR, and training posture at a glance — full data-handling detail per route below.

ProviderRegionZero data retentionTrainingInputOutput
OpenAIUSEnterpriseNo$1.10$4.40

Training posture across routes: No training on prompts by default.

Data handling per route

Each route hosting O3 Mini has its own privacy posture, residency, and GDPR terms. Postures are maintained by Opper with a last-verification timestamp.

OpenAI United States🇺🇸

Zero data retention is available via Opper Enterprise contract. No training on customer data. US; SCCs; DPA available.

Zero data retention
Available via Opper Enterprise contract.
Training
No training on customer data.
Logging
Abuse monitoring (30-day retention)
Third-party access
None disclosed
GDPR DPA
DPA available
Transfer mechanism
SCCs

Compare O3 Mini with…

Side-by-side on privacy, EU hosting, pricing, and benchmarks.

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O3 Mini by OpenAI — pricing, benchmarks | Opper AI