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OpenAI: GPT-5.2 vs StepFun: Step 3.7 Flash

Last updated at: 2026-05-29

Metric GPT-5.2 GPT-5.2 medium Release: 2025-12-11 Step 3.7 Flash Step 3.7 Flash high Release: 2026-05-29
Score 7.3 7.1
Rank #63 #74
Reliability 10.0 10.0
Consistency 8.3 8.2
Tests Correct
Attempt pass rate 70.0% 65.8%
Flaky tests 4 4
Total Runs 60 60
Cost per result 4.094 8.723
Total Cost $0.492 $0.960
Input Price $1.750 / 1M $0.200 / 1M
Output Price $14.000 / 1M $1.150 / 1M
Output Tokens 2,880 828,084
Reasoning Tokens 28,289 0
Response Time (avg) 16.50s 49.43s
Response Time (max) 77.80s 192.75s
Response Time (total) 214.45s 988.58s

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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-5.2 6.5 8.0 58.3% 1 7.81s 567 2,002
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-5.2 10.0 10.0 100.0% 0 23.15s 490 8,269
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-5.2 10.0 10.0 100.0% 0 14.06s 291 1,757
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-5.2 10.0 10.0 100.0% 0 3.15s 234 420
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-5.2 5.9 7.2 55.6% 1 77.80s 42 10,342
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-5.2 3.7 9.7 0.0% 0 4.32s 162 269
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-5.2 9.9 10.0 100.0% 0 3.12s 94 614
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-5.2 7.5 7.3 77.8% 1 5.80s 735 924
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-5.2 4.7 1.6 66.7% 1 10.30s 239 469
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-5.2 3.0 10.0 0.0% 0 28.18s 26 3,223
Step 3.7 Flash 3.0 10.0 0.0% 0 149.34s 147,476 0

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