GPT-4o EU
GPT-4o via Azure OpenAI (EU region)
VisionToolsStructured output
Context window
128K
Max output
16K
Input price
$2.75 /1M
Output price
$11.00 /1M
Benchmarks
Independent benchmark scores — composite indices for reasoning, coding, and math, plus individual eval scores where available.
Intelligence Index17.3
Coding Index16.7
Math Index6.0
MMLU-Pro
75%
GPQA Diamond
54%
Humanity's Last Exam
3%
LiveCodeBench
31%
SciCode
33%
AIME 2025
6%
IFBench
34%
Long-context reasoning
0%
Terminal-Bench Hard
8%
τ²-Bench Telecom
25%
See full leaderboard →Benchmarks via Artificial Analysis · View on AA
Available routes
The same GPT-4o EU runs on 2 different routes through the Opper gateway. Each route has its own data-handling posture.
| Provider | Region | Zero data retention | Training | Logging | Contract | Input | Output |
|---|---|---|---|---|---|---|---|
| Azure OpenAI | EU | Opt-in | No | Up to 30 days for abuse monitoring | EA/MCA-E | $2.75 | $11.00 |
| 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 | $2.50 | $10.00 |
Human review: Abuse-flagged only