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OpenAI: GPT-5.2 vs OpenAI: GPT-5 Nano

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Last updated at : 2026-02-27 15:16

Summary

Metric OpenAI: GPT-5.2 medium Release: Unknown release date OpenAI: GPT-5 Nano medium Release: Unknown release date
Rank #12 #23
Score 6.93 5.86
Consistency 8.22 6.60
Cost per result 2.780 0.519
Total Cost $0.251 $0.037
Tests Correct
Wrong Tests 5 7
Attempt pass rate 76.2% 69.1%
Flaky tests 3 6
Output Tokens 1,869 3,700
Reasoning Tokens 14,190 85,184

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-5.2 7.00 7.28 77.8% 1 549 2,002
OpenAI: GPT-5 Nano 7.00 9.99 66.7% 0 1,107 19,968
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-5.2 10.00 10.00 100.0% 0 234 499
OpenAI: GPT-5 Nano 5.50 5.81 83.3% 1 426 8,576
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-5.2 4.00 7.21 55.6% 1 42 9,690
OpenAI: GPT-5 Nano 4.00 4.41 55.6% 2 195 33,600
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-5.2 9.50 10.00 100.0% 0 95 587
OpenAI: GPT-5 Nano 7.00 6.41 83.3% 1 360 4,032
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-5.2 8.00 10.00 66.7% 0 710 943
OpenAI: GPT-5 Nano 4.67 4.90 55.6% 2 1,054 12,032
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-5.2 1.00 1.62 66.7% 1 239 469
OpenAI: GPT-5 Nano 10.00 10.00 100.0% 0 558 6,976

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