GPT-5 nano (high)

OpenAIUnited States

GPT-5 nano is the most lightweight and cost-effective model in the GPT-5 family, optimized for speed and low latency while retaining strong reasoning capabilities. It is designed for high-throughput, low-cost applications where rapid response is critical.

FastCheapReasoningCoding

Input / 1M tokens

$0.05

Output / 1M tokens

$0.40

Output tokens/s

149

First-token seconds

98.44s

Supported plans

Benchmark history

Evaluations

TAU2

Measured Jul 10, 2026Source

Score

0.37

Terminalbench Hard

Measured Jul 10, 2026Source

Score

0.12

Lcr

Measured Jul 10, 2026Source

Score

0.42

Ifbench

Measured Jul 10, 2026Source

Score

0.68

Aime 25

Measured Jul 10, 2026Source

Score

0.84

Scicode

Measured Jul 10, 2026Source

Score

0.37

Livecodebench

Measured Jul 10, 2026Source

Score

0.79

Hle

Measured Jul 10, 2026Source

Score

0.08

Gpqa

Measured Jul 10, 2026Source

Score

0.68

Mmlu Pro

Measured Jul 10, 2026Source

Score

0.78

Artificial Analysis Math Index

Measured Jul 10, 2026Source

Score

83.7

Artificial Analysis Intelligence Index

Measured Jul 10, 2026Source

Score

19.9

Tau Banking

Measured Jul 10, 2026Source

Score

0.2

Terminalbench V2 1

Measured Jul 10, 2026Source

Score

0.35

Aime

Measured Jul 10, 2026Source

Score

0.96

Math 500

Measured Jul 10, 2026Source

Score

0.99

Artificial Analysis Coding Index

Measured Jul 10, 2026Source

Score

37.8

Plan availability

Products and plans that support this model

No products or plans have been linked to this model yet.

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Discussion

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