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OpenAI: GPT-5.4 Nano vs Laguna Xs.2

Last updated at: 2026-05-01

Metric GPT-5.4 Nano GPT-5.4 Nano none Release: 2026-03-17 Laguna Xs.2 Laguna Xs.2 none Release: 2026-04-28 Free Available
Score 4.6 5.0
Rank #127 #122
Reliability N/A 9.9
Consistency 7.4 10.0
Tests Correct
Attempt pass rate 33.3% 27.8%
Flaky tests 6 0
Total Runs 54 54
Cost per result 0.299 0.000
Total Cost $0.009 $0.000
Input Price $0.200 / 1M $0.000 / 1M
Output Price $1.250 / 1M $0.000 / 1M
Output Tokens 2,762 3,824
Reasoning Tokens 0 0
Response Time (avg) 1.40s 1.68s
Response Time (max) 3.84s 16.04s
Response Time (total) 25.14s 30.26s

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 Nano 3.5 8.0 16.7% 1 1.18s 800 0
Laguna Xs.2 3.2 10.0 0.0% 0 743ms 933 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Nano 7.1 3.7 66.7% 1 1.43s 577 0
Laguna Xs.2 2.5 10.0 0.0% 0 1.96s 866 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Nano 3.0 10.0 0.0% 0 3.84s 280 0
Laguna Xs.2 3.0 10.0 0.0% 0 2.01s 521 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Nano 6.5 10.0 50.0% 0 1.11s 219 0
Laguna Xs.2 10.0 10.0 100.0% 0 646ms 246 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Nano 2.9 4.4 22.2% 2 926ms 52 0
Laguna Xs.2 5.3 10.0 33.3% 0 371ms 33 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Nano 3.8 2.5 33.3% 1 1.31s 180 0
Laguna Xs.2 5.0 10.0 0.0% 0 16.04s 200 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Nano 6.3 10.0 50.0% 0 787ms 84 0
Laguna Xs.2 6.5 10.0 50.0% 0 439ms 81 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Nano 3.7 7.3 22.2% 1 1.29s 348 0
Laguna Xs.2 5.4 10.0 33.3% 0 688ms 552 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Nano 10.0 10.0 100.0% 0 3.40s 222 0
Laguna Xs.2 3.0 10.0 0.0% 0 1.93s 392 0

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