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MiniMax: MiniMax M2.5 vs OpenAI: GPT-5.3-Codex

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

Summary

Metric MiniMax: MiniMax M2.5 medium Release: Unknown release date OpenAI: GPT-5.3-Codex medium Release: Unknown release date
Rank #26 #7
Score 5.64 7.93
Consistency 6.12 8.84
Cost per result 4.028 4.641
Total Cost $0.242 $0.465
Tests Correct
Wrong Tests 8 4
Attempt pass rate 64.3% 78.6%
Flaky tests 7 2
Output Tokens 121,297 1,201
Reasoning Tokens 203,513 30,056

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
MiniMax: MiniMax M2.5 9.33 7.89 88.9% 1 286 45,112
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
MiniMax: MiniMax M2.5 5.50 5.81 83.3% 1 369 4,952
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
MiniMax: MiniMax M2.5 1.00 4.41 22.2% 2 111,023 139,533
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
MiniMax: MiniMax M2.5 7.00 6.41 66.7% 1 1,121 2,521
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
MiniMax: MiniMax M2.5 4.33 4.79 55.6% 2 8,229 10,458
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
MiniMax: MiniMax M2.5 10.00 10.00 100.0% 0 269 937
OpenAI: GPT-5.3-Codex 10.00 10.00 100.0% 0 254 492

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