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OpenAI: GPT-5 Mini vs OpenAI: GPT-5 Nano

Last updated at: 2026-05-19

Metric GPT-5 Mini GPT-5 Mini medium Release: 2025-08-07 GPT-5 Nano GPT-5 Nano medium Release: 2025-08-07
Score 6.8 6.2
Rank #74 #90
Reliability 10.0 10.0
Consistency 8.7 7.0
Tests Correct
Attempt pass rate 57.9% 57.9%
Flaky tests 3 7
Total Runs 57 57
Cost per result 1.460 0.856
Total Cost $0.132 $0.069
Input Price $0.250 / 1M $0.050 / 1M
Output Price $2.000 / 1M $0.400 / 1M
Output Tokens 6,539 5,214
Reasoning Tokens 55,338 162,432
Response Time (avg) 23.24s 42.13s
Response Time (max) 88.15s 204.02s
Response Time (total) 441.55s 505.59s

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Mini 7.1 7.6 66.7% 1 13.86s 1,715 6,378
GPT-5 Nano 6.5 7.9 58.3% 1 25.50s 1,221 21,184
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Mini 10.0 10.0 100.0% 0 23.18s 483 4,160
GPT-5 Nano 6.7 3.5 66.7% 1 40.73s 480 12,992
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Mini 10.0 10.0 100.0% 0 88.15s 754 11,520
GPT-5 Nano 10.0 10.0 100.0% 0 65.96s 578 17,984
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Mini 10.0 10.0 100.0% 0 12.58s 453 3,200
GPT-5 Nano 3.7 1.7 50.0% 2 21.42s 453 10,560
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Mini 3.6 7.2 22.2% 1 44.63s 293 14,016
GPT-5 Nano 5.2 4.4 55.6% 2 204.02s 237 64,448
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Mini 4.5 10.0 0.0% 0 13.50s 349 1,856
GPT-5 Nano 4.1 10.0 0.0% 0 17.51s 202 4,608
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Mini 7.9 6.5 83.3% 1 15.66s 318 4,992
GPT-5 Nano 9.8 10.0 100.0% 0 11.90s 382 4,096
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Mini 5.6 9.8 33.3% 0 14.09s 1,527 5,760
GPT-5 Nano 5.3 7.2 44.4% 1 19.81s 869 13,440
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Mini 10.0 10.0 100.0% 0 18.64s 487 1,600
GPT-5 Nano 10.0 10.0 100.0% 0 33.30s 558 6,976
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5 Mini 3.0 10.0 0.0% 0 9.99s 160 1,856
GPT-5 Nano 3.0 10.0 0.0% 0 20.13s 234 6,144

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