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OpenAI: GPT-5.4 vs Laguna Xs.2

Last updated at: 2026-04-29

Metric GPT-5.4 GPT-5.4 none Release: 2026-03-05 Laguna Xs.2 Laguna Xs.2 medium Release: 2026-04-28 Free Available
Score 5.9 6.2
Rank #86 #81
Reliability N/A 10.0
Consistency 9.1 6.9
Tests Correct
Attempt pass rate 42.6% 57.4%
Flaky tests 2 7
Total Runs 54 54
Cost per result 1.477 0.000
Total Cost $0.104 $0.000
Input Price $2.500 / 1M $0.000 / 1M
Output Price $15.000 / 1M $0.000 / 1M
Output Tokens 2,317 58,141
Reasoning Tokens 0 0
Response Time (avg) 1.51s 6.03s
Response Time (max) 2.95s 29.11s
Response Time (total) 27.21s 108.59s

Top Models by Score

Score vs Total Cost

Response Time (avg)

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 3.2 8.0 8.3% 1 1.21s 406 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 10.0 10.0 100.0% 0 2.95s 480 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 3.0 10.0 0.0% 0 2.89s 291 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 10.0 10.0 100.0% 0 1.04s 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 5.3 7.2 44.4% 1 1.07s 50 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 4.4 9.9 0.0% 0 1.78s 184 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 6.5 10.0 50.0% 0 1.07s 81 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 5.6 9.8 33.3% 0 1.52s 357 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 10.0 10.0 100.0% 0 2.75s 246 0
Laguna Xs.2 4.7 1.6 66.7% 1 3.39s 1,171 0

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