GPT-5-NANO
OpenAI's GPT-5-NANO is a chat model capable of various tasks, including code generation, reasoning, and text generation, with support for both text and image inputs. It is genuinely best at handling large context windows, with a capacity of 272,000 tokens, and demonstrates a notable strength in the LiveCodeBench benchmark, scoring in the top 25%.
Input
Output
Context
272K
Max Output
128K
Parameters
-
Technical Specifications
Model TypeChat
Context Window272,000 tokens
Max Output Tokens128,000 tokens
ParametersNot available
Release DateAug 5, 2025
Training CutoffMay 31, 2024
Licenseproprietary
Open SourceNo
Input Modalities
ImageText
Output Modalities
Text
Capabilities
Benchmarks
Artificial Analysis
8.2%
HLE
41.7%
AA-LCR
67.6%
GPQA
36.5%
Tau2-Bench
83.7%
AIME 2025
67.6%
IFBench
36.6%
SciCode
78.0%
MMLU Pro
83.7
Math
78.9%
LiveCodeBench
19.9
Intelligence
12.1%
Terminal-Bench Hard
Resources & Links
proprietary, Proprietary - API access only
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Data sourced from official provider APIs and documentation
Last updated: Aug 6, 2026
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