GPT-4.1 Nano

by OpenAI

Smallest GPT-4.1 variant

Key info

Input
Output
Features
Context window
1M
Max output
33K
Input price
$0.10 /1M
Output price
$0.40 /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#378 of 518 LLMs
TierEfficient
Output speed161 tok/s
First token0.43s
Intelligence Index13.0
Coding Index11.2
Math Index24.0
MMLU-Pro
66%
GPQA Diamond
51%
Humanity's Last Exam
4%
LiveCodeBench
33%
SciCode
26%
AIME 2025
24%
IFBench
32%
Long-context reasoning
17%
Terminal-Bench Hard
4%
τ²-Bench Telecom
17%

Available routes

GPT-4.1 Nano 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$0.10$0.40

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

Data handling per route

Each route hosting GPT-4.1 Nano 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 GPT-4.1 Nano with…

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

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GPT-4.1 Nano by OpenAI — pricing, benchmarks | Opper AI