GPT-4.1-NANO
For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series. It delivers exceptional performance at a small size with its 1 million token context window, and scores 80.1% on MMLU, 50.3% on GPQA, and 9.8% on Aider polyglot coding – even higher than GPT‑4o mini.
Input
Output
Context
1048K
Max Output
33K
Parameters
—
Technical Specifications
Model TypeChat
Context Window1.0M
Max Output Tokens33K
Parameters—
Training Cutoff—
Licenseproprietary
Capabilities
Input Modalities
imagetextfile
Output Modalities
text
Features
code_generationfunction_callingjson_modereasoningstreamingtext_generationvision
Benchmarks
3.9%
HLE
23.7%
AIME
51.2%
GPQA
25.9%
SciCode
84.8%
MATH 500
65.7%
MMLU Pro
24.0
Math
11.2
Coding
32.6%
LiveCodeBench
13.0
Intelligence
147
Speed (tok/s)
0.566
TTFA (s)
0.566
TTFT (s)
Resources & Links
proprietary — Proprietary - API access only
Related Tools
Data sourced from official provider APIs and documentation
Last updated: May 5, 2026
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