New Finance Agent Benchmark Released
openai/gpt-5-nano-2025-08-07 GPT 5 Nano

Cheapest and fastest model in the GPT-5 family.

Released Date: 8/7/2025

Avg. Accuracy:

74.4%

Latency:

51.57s

Performance by Benchmark

Benchmarks

Accuracy

Rankings

CaseLaw

63.3%

( 23 / 26 )

TaxEval

72.8%

( 32 / 60 )

MortgageTax

64.9%

( 25 / 35 )

Math500

93.8%

( 12 / 54 )

AIME

83.3%

( 12 / 50 )

MGSM

89.3%

( 33 / 53 )

LegalBench

49.4%

( 71 / 75 )

MedQA

93.2%

( 8 / 56 )

GPQA

59.6%

( 28 / 52 )

MMLU Pro

77.9%

( 25 / 50 )

MMMU

70.9%

( 17 / 32 )

Academic Benchmarks
Proprietary Benchmarks (contact us to get access)

Cost Analysis

Input Cost

$0.05 / M Tokens

Output Cost

$0.40 / M Tokens

Input Cost (per char)

$0.01 / M chars

Output Cost (per char)

N/A

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