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OpenAI: GPT-5 Mini vs StepFun: Step 3.7 Flash

Last updated at: 2026-05-29

Metric GPT-5 Mini GPT-5 Mini medium Release: 2025-08-07 Step 3.7 Flash Step 3.7 Flash high Release: 2026-05-29
Score 7.2 7.1
Rank #73 #74
Reliability 10.0 10.0
Consistency 9.1 8.2
Tests Correct
Attempt pass rate 61.7% 65.8%
Flaky tests 2 4
Total Runs 60 60
Cost per result 1.348 8.723
Total Cost $0.149 $0.960
Input Price $0.250 / 1M $0.200 / 1M
Output Price $2.000 / 1M $1.150 / 1M
Output Tokens 6,723 828,084
Reasoning Tokens 63,082 0
Response Time (avg) 23.75s 49.43s
Response Time (max) 88.15s 192.75s
Response Time (total) 475.03s 988.58s

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Score vs Total Cost

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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
Step 3.7 Flash 10.0 10.0 100.0% 0 13.40s 42,656 0
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 30.74s 580 12,544
Step 3.7 Flash 3.6 4.6 25.0% 1 126.82s 164,069 0
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
Step 3.7 Flash 10.0 10.0 100.0% 0 13.01s 8,802 0
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
Step 3.7 Flash 10.0 10.0 100.0% 0 14.72s 23,113 0
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
Step 3.7 Flash 4.1 4.4 44.5% 2 149.64s 410,502 0
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
Step 3.7 Flash 5.5 10.0 0.0% 0 4.17s 2,862 0
Instructions following 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 11.59s 310 3,968
Step 3.7 Flash 9.8 10.0 100.0% 0 1.52s 2,010 0
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 15.20s 1,622 6,144
Step 3.7 Flash 5.3 7.2 44.4% 1 10.22s 25,422 0
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
Step 3.7 Flash 10.0 10.0 100.0% 0 2.79s 1,172 0
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
Step 3.7 Flash 3.0 10.0 0.0% 0 149.34s 147,476 0

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