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OpenAI: GPT-5.5 vs Laguna Xs.2

Summary

GPT-5.5 vs Laguna Xs.2 benchmark comparison: GPT-5.5 leads on average score with 9.3 vs 5.5. Laguna Xs.2 has the lower benchmark cost at $0.000 vs $0.907. Laguna Xs.2 is faster at 6.73s vs 9.76s, with pass rates of 85.7% vs 50.9%.

Recommended model: GPT-5.5 - It has the strongest score in this comparison (9.3) and the best overall balance of cost and response time across all 2 models.

Last updated at: 2026-06-12

Metric GPT-5.5 GPT-5.5 low Release: 2026-04-24 Laguna Xs.2 Laguna Xs.2 medium Release: 2026-04-28 Free Available
Score 9.3 5.5
Rank #5 #123
Reliability 10.0 10.0
Consistency 10.0 7.4
Tests Correct
Attempt pass rate 85.7% 50.9%
Flaky tests 0 6
Total Runs 63 57
Cost per result 5.035 0.000
Total Cost $0.907 $0.000
Input Price $5.000 / 1M $0.000 / 1M
Output Price $30.000 / 1M $0.000 / 1M
Total Input Tokens 34,209 39,481
Output Tokens 2,046 54,218
Reasoning Tokens 22,460 0
Response Time (avg) 9.76s 6.73s
Response Time (max) 56.19s 29.11s
Response Time (total) 204.92s 100.98s

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#5 GPT-5.5

low
Cost
$0.068
Time
37.0s
Tokens
2,339 tok

#123 Laguna Xs.2

medium
No showcase result has been generated for this model yet.
Cost
$0.000
Time
-
Tokens
0 tok

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) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 4.41s 606 238 1,020
Laguna Xs.2 6.9 7.9 66.7% 1 2.68s 579 4,062 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 15.04s 7,302 423 6,402
Laguna Xs.2 6.3 3.7 33.3% 1 14.36s 816 7,896 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 9.56s 11,019 303 717
Laguna Xs.2 3.0 10.0 0.0% 0 15.92s 18,436 8,501 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 3.28s 7,140 228 157
Laguna Xs.2 7.1 5.6 83.3% 1 9.34s 7,734 10,472 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 5.3 10.0 33.3% 0 28.05s 723 69 11,609
Laguna Xs.2 4.1 4.4 44.5% 2 11.12s 834 18,712 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 5.17s 477 133 245
Laguna Xs.2 3.0 10.0 0.0% 0 0ms 0 0 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 9.9 10.0 100.0% 0 3.74s 660 93 415
Laguna Xs.2 10.0 10.0 100.0% 0 1.68s 753 1,517 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 4.74s 642 279 954
Laguna Xs.2 5.3 10.0 33.3% 0 1.93s 453 1,887 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 4.96s 5,445 250 101
Laguna Xs.2 4.7 1.6 66.7% 1 3.39s 9,876 1,171 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 3.0 10.0 0.0% 0 10.06s 195 30 840
Laguna Xs.2 3.0 10.0 0.0% 0 0ms 0 0 0

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