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OpenAI: GPT-5.4 Mini vs Laguna Xs.2

Last updated at: 2026-05-01

Metric GPT-5.4 Mini GPT-5.4 Mini none Release: 2026-03-17 Laguna Xs.2 Laguna Xs.2 medium Release: 2026-04-28 Free Available
Score 5.1 6.2
Rank #117 #81
Reliability N/A 10.0
Consistency 8.6 6.9
Tests Correct
Attempt pass rate 35.2% 57.4%
Flaky tests 3 7
Total Runs 54 54
Cost per result 0.630 0.000
Total Cost $0.032 $0.000
Input Price $0.750 / 1M $0.000 / 1M
Output Price $4.500 / 1M $0.000 / 1M
Output Tokens 2,418 58,141
Reasoning Tokens 0 0
Response Time (avg) 1.17s 6.03s
Response Time (max) 2.52s 29.11s
Response Time (total) 21.01s 108.59s

Top Models by Score

Score vs Total Cost

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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-5.4 Mini 3.1 8.1 8.3% 1 929ms 654 0
Laguna Xs.2 7.4 5.9 83.3% 2 2.60s 5,283 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Mini 10.0 10.0 100.0% 0 1.19s 333 0
Laguna Xs.2 6.3 3.7 33.3% 1 14.36s 7,896 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Mini 3.0 10.0 0.0% 0 2.52s 298 0
Laguna Xs.2 3.0 10.0 0.0% 0 15.92s 8,501 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Mini 10.0 10.0 100.0% 0 1.30s 222 0
Laguna Xs.2 7.1 5.6 83.3% 1 9.34s 10,472 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Mini 3.5 4.4 33.3% 2 937ms 88 0
Laguna Xs.2 4.1 4.4 44.5% 2 11.12s 18,712 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Mini 4.8 10.0 0.0% 0 1.82s 174 0
Laguna Xs.2 4.1 10.0 0.0% 0 2.76s 1,421 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Mini 6.3 10.0 50.0% 0 728ms 101 0
Laguna Xs.2 10.0 10.0 100.0% 0 1.68s 1,517 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Mini 5.4 10.0 33.3% 0 860ms 293 0
Laguna Xs.2 5.3 10.0 33.3% 0 2.12s 3,168 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Mini 3.0 10.0 0.0% 0 2.32s 255 0
Laguna Xs.2 4.7 1.6 66.7% 1 3.39s 1,171 0

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