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

Last updated at: 2026-05-19

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
Score 7.2 7.3
Rank #65 #58
Reliability 10.0 10.0
Consistency 8.2 9.1
Tests Correct
Attempt pass rate 68.4% 64.9%
Flaky tests 4 2
Total Runs 57 57
Cost per result 3.609 0.761
Total Cost $0.397 $0.084
Input Price $1.750 / 1M $0.200 / 1M
Output Price $14.000 / 1M $1.250 / 1M
Output Tokens 2,731 3,016
Reasoning Tokens 22,200 59,306
Response Time (avg) 15.22s 10.87s
Response Time (max) 77.80s 94.06s
Response Time (total) 182.59s 206.61s

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-5.2 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
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 15.12s 467 2,166
GPT-5.4 Nano 10.0 10.0 100.0% 0 13.41s 472 3,616
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 7.6 7.3 77.8% 1 5.47s 609 938
GPT-5.4 Nano 3.7 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
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
GPT-5.4 Nano 3.0 10.0 0.0% 0 4.81s 70 1,174

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