GPT 5 Nano

Release Date: 8/7/2025

Benchmarked by

Cheapest and fastest model in the GPT-5 family.

Avg. Accuracy

71.1%

Latency

49.3s

Cost (In/Out)

0.05 / 0.40

Context Window

400k

Max Output Tokens

128k

Input Modality

Benchmarks

Accuracy

Rankings

SAGE

0.0%

22/ 22

CaseLaw

0.0%

39/ 39

TaxEval

0.0%

73/ 73

MortgageTax

0.0%

45/ 45

Math500

0.0%

54/ 54

AIME

0.0%

63/ 63

MGSM

0.0%

66/ 66

LegalBench

0.0%

88/ 88

MedQA

0.0%

69/ 69

GPQA

0.0%

65/ 65

MMLU Pro

0.0%

63/ 63

MMMU

0.0%

42/ 42

Academic Benchmarks
Proprietary Benchmarks (contact us to get access)

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