O4 Mini
Fast, efficient reasoning model for math and coding
ReasoningVisionToolsStructured output
Context window
200K
Max output
100K
Input price
$1.10 /1M
Output price
$4.40 /1M
Benchmarks
Independent benchmark scores — composite indices for reasoning, coding, and math, plus individual eval scores where available.
Intelligence Index33.1
Coding Index25.6
Math Index90.7
MMLU-Pro
83%
GPQA Diamond
78%
Humanity's Last Exam
18%
LiveCodeBench
86%
SciCode
47%
AIME 2025
91%
IFBench
69%
Long-context reasoning
55%
Terminal-Bench Hard
15%
τ²-Bench Telecom
56%
See full leaderboard →Benchmarks via Artificial Analysis · View on AA
Available routes
The same O4 Mini runs on 1 route through the Opper gateway. Each route has its own data-handling posture.
| Provider | Region | Zero data retention | Training | Logging | Contract | Input | Output |
|---|---|---|---|---|---|---|---|
| OpenAI | US | Opt-in | No (opt-in) | Up to 30 days for abuse monitoring on stateless endpoints. Stateful endpoints (Conversations, ChatKit, Vector Stores) retain until deleted. | Enterprise | $1.10 | $4.40 |
Human review: Abuse-flagged only