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OpenAI: GPT-5.2 vs OpenAI: GPT-5.4 Nano

Last updated at: 2026-03-17

Metric GPT-5.2 GPT-5.2 medium Release: 2025-12-11 GPT-5.4 Nano GPT-5.4 Nano medium Release: 2026-03-17
Rank #30 #28
Score 7.3 7.4
Consistency 8.0 9.0
Cost per result 3.131 0.769
Total Cost $0.314 $0.077
Tests Correct
Attempt pass rate 70.6% 66.7%
Flaky tests 4 2
Total Runs 51 51
Output Tokens 2,238 2,474
Reasoning Tokens 16,811 54,516
Response Time (avg) 13.93s 11.08s
Response Time (max) 77.80s 94.06s
Response Time (total) 139.29s 188.39s

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Score vs Total Cost

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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
GPT-5.4 Nano 8.3 10.0 75.0% 0 4.52s 683 2,254
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
GPT-5.4 Nano 9.8 10.0 100.0% 0 24.13s 349 5,719
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
GPT-5.4 Nano 10.0 10.0 100.0% 0 2.54s 234 516
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
GPT-5.4 Nano 5.9 7.2 55.6% 1 38.18s 60 43,325
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
GPT-5.4 Nano 4.5 10.0 0.0% 0 4.15s 179 443
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
GPT-5.4 Nano 9.8 10.0 100.0% 0 1.88s 95 521
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 7.7 7.3 77.8% 1 5.47s 609 938
GPT-5.4 Nano 4.0 7.1 22.2% 1 3.65s 640 1,356
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
GPT-5.4 Nano 10.0 10.0 100.0% 0 7.71s 234 382

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