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OpenAI: GPT-4o-mini vs OpenAI: GPT-5.3-Codex

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

Summary

Metric OpenAI: GPT-4o-mini none Release: Unknown release date OpenAI: GPT-5.3-Codex medium Release: Unknown release date
Rank #28 #7
Score 4.86 7.93
Consistency 9.98 8.84
Cost per result 0.056 4.641
Total Cost $0.003 $0.465
Tests Correct
Wrong Tests 9 4
Attempt pass rate 35.7% 78.6%
Flaky tests 0 2
Output Tokens 949 1,201
Reasoning Tokens 0 30,056

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-4o-mini 4.00 10.00 33.3% 0 180 0
OpenAI: GPT-5.3-Codex 10.00 10.00 100.0% 0 216 1,421
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-4o-mini 10.00 10.00 100.0% 0 183 0
OpenAI: GPT-5.3-Codex 10.00 10.00 100.0% 0 234 735
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-4o-mini 1.00 10.00 0.0% 0 15 0
OpenAI: GPT-5.3-Codex 4.00 7.21 55.6% 1 64 25,308
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-4o-mini 5.50 10.00 50.0% 0 71 0
OpenAI: GPT-5.3-Codex 9.00 10.00 50.0% 0 93 693
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-4o-mini 4.00 9.92 0.0% 0 295 0
OpenAI: GPT-5.3-Codex 7.00 7.38 77.8% 1 340 1,407
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-4o-mini 10.00 10.00 100.0% 0 205 0
OpenAI: GPT-5.3-Codex 10.00 10.00 100.0% 0 254 492

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