AI BENCHY Compare

OpenAI: GPT-5.5 vs Poolside: Laguna XS 2.1

Summary

GPT-5.5 vs Laguna XS 2.1 benchmark comparison: GPT-5.5 leads on average score with 9.3 vs 7.0. Laguna XS 2.1 has the lower benchmark cost at $0.036 vs $0.907. GPT-5.5 is faster at 9.76s vs 30.08s, with pass rates of 85.7% vs 44.4%.

Recommended model: GPT-5.5 - It has the best score here (9.3), while responding about 3.1x faster than Laguna XS 2.1.

Last updated at: 2026-07-02

Metric	GPT-5.5 GPT-5.5 low Release: 2026-04-24	Laguna XS 2.1 Laguna XS 2.1 medium Release: 2026-07-02 Free Available

Metric	GPT-5.5 GPT-5.5 low Release: 2026-04-24	Laguna XS 2.1 Laguna XS 2.1 medium Release: 2026-07-02 Free Available
Score	9.3	7.0
Rank	#4	#67
Reliability	10.0	10.0
Consistency	10.0	9.6
Tests Correct
Attempt pass rate	85.7%	44.4%
Flaky tests	0	1
Total Runs	63	63
Cost per result	5.035	0.392
Total Cost	$0.907	$0.036
Input Price	$5.000 / 1M	$0.060 / 1M
Output Price	$30.000 / 1M	$0.120 / 1M
Total Input Tokens	34,209	45,324
Output Tokens	2,046	25,761
Reasoning Tokens	22,460	268,677
Response Time (avg)	9.76s	30.08s
Response Time (max)	56.19s	155.23s
Response Time (total)	204.92s	631.77s

Generation showcase

Hamster playing table tennis

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

#4 GPT-5.5

low

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

#67 Laguna XS 2.1

medium

Cost: $0.001
Time: 30.6s
Tokens: 4,678 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 2.1	4.8	10.0	25.0%	0		41.96s	774	353	73,090

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 2.1	5.5	10.0	33.3%	0		70.35s	7,995	23,767	83,258

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 2.1	9.6	10.0	100.0%	0		13.43s	18,033	507	5,908

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 2.1	10.0	10.0	100.0%	0		4.50s	7,734	234	3,129

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 2.1	2.9	7.2	11.1%	1		65.66s	834	17	91,533

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 2.1	5.0	10.0	0.0%	0		4.15s	537	119	1,375

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 2.1	9.8	10.0	100.0%	0		2.57s	753	82	1,844

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 2.1	5.3	10.0	33.3%	0		3.43s	771	357	3,355

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 2.1	10.0	10.0	100.0%	0		3.01s	7,638	309	748

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 2.1	3.0	10.0	0.0%	0		10.88s	255	16	4,437

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