O3

by OpenAI

O3 from OpenAI — text model on the Opper gateway.

ReasoningVisionToolsStructured output
Context window
200K
Max output
100K
Input price
$2.00 /1M
Output price
$8.00 /1M

Benchmarks

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

Global rank#89 of 505 LLMs
TierStrong
Output speed87 tok/s
First token7.92s
Intelligence Index38.4
Coding Index38.4
Math Index88.3
MMLU-Pro
85%
GPQA Diamond
83%
Humanity's Last Exam
20%
LiveCodeBench
81%
SciCode
41%
AIME 2025
88%
IFBench
71%
Long-context reasoning
69%
Terminal-Bench Hard
37%
τ²-Bench Telecom
81%

Available routes

The same O3 runs on 1 route through the Opper gateway. Each route has its own data-handling posture.

ProviderRegionZero data retentionTrainingLoggingContractInputOutput
OpenAIUSOpt-inNo (opt-in)
Up to 30 days for abuse monitoring on stateless endpoints. Stateful endpoints (Conversations, ChatKit, Vector Stores) retain until deleted.
Enterprise$2.00$8.00

Human review: Abuse-flagged only

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O3 by OpenAI — pricing, benchmarks, hosting routes | Opper AI