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OpenAI: gpt-oss-120b vs xAI: Grok 4.1 Fast

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

Summary

Metric OpenAI: gpt-oss-120b medium Release: Unknown release date Free Available xAI: Grok 4.1 Fast medium Release: Unknown release date
Rank #25 #16
Score 5.64 6.29
Consistency 7.55 8.20
Cost per result 0.101 0.532
Total Cost $0.008 $0.043
Tests Correct
Wrong Tests 7 6
Attempt pass rate 59.5% 66.7%
Flaky tests 4 3
Output Tokens 11,407 793
Reasoning Tokens 26,106 74,056

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: gpt-oss-120b 7.00 9.81 66.7% 0 3,463 2,077
xAI: Grok 4.1 Fast 10.00 10.00 100.0% 0 102 4,021
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: gpt-oss-120b 5.50 5.87 66.7% 1 241 1,114
xAI: Grok 4.1 Fast 10.00 10.00 100.0% 0 180 5,472
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: gpt-oss-120b 1.00 4.41 22.2% 2 6,018 18,520
xAI: Grok 4.1 Fast 4.00 7.21 55.6% 1 12 40,547
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: gpt-oss-120b 10.00 10.00 100.0% 0 120 1,770
xAI: Grok 4.1 Fast 5.50 10.00 50.0% 0 48 3,151
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: gpt-oss-120b 5.00 7.13 44.4% 1 1,278 1,542
xAI: Grok 4.1 Fast 4.67 7.20 44.4% 1 191 9,380
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: gpt-oss-120b 9.00 9.97 100.0% 0 287 1,083
xAI: Grok 4.1 Fast 1.00 1.62 33.3% 1 260 11,485

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