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Poolside: Laguna XS 2.1 vs StepFun: Step 3.7 Flash

Summary

Laguna XS 2.1 vs Step 3.7 Flash benchmark comparison: The average score is effectively tied at 7.0 vs 7.1. Laguna XS 2.1 has the lower benchmark cost at $0.036 vs $1.148. Laguna XS 2.1 is faster at 30.08s vs 64.46s, with pass rates of 44.4% vs 63.5%.

Recommended model: Laguna XS 2.1 - It has the best score here (7.0), while costing about 32.6x less than Step 3.7 Flash.

Last updated at: 2026-07-02

Metric Laguna XS 2.1 Laguna XS 2.1 medium Release: 2026-07-02 Free Available Step 3.7 Flash Step 3.7 Flash high Release: 2026-05-29
Score 7.0 7.1
Rank #67 #65
Reliability 10.0 10.0
Consistency 9.6 8.2
Tests Correct
Attempt pass rate 44.4% 63.5%
Flaky tests 1 4
Total Runs 63 63
Cost per result 0.392 10.434
Total Cost $0.036 $1.148
Input Price $0.060 / 1M $0.200 / 1M
Output Price $0.120 / 1M $1.150 / 1M
Total Input Tokens 45,324 38,391
Output Tokens 25,761 991,355
Reasoning Tokens 268,677 0
Response Time (avg) 30.08s 64.46s
Response Time (max) 155.23s 364.99s
Response Time (total) 631.77s 1353.57s

Generation showcase

Hamster playing table tennis

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

#67 Laguna XS 2.1

medium
Cost
$0.001
Time
30.6s
Tokens
4,678 tok

#65 Step 3.7 Flash

high
Cost
$0.007
Time
63.6s
Tokens
6,030 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
Laguna XS 2.1 4.8 10.0 25.0% 0 41.96s 774 353 73,090
Step 3.7 Flash 10.0 10.0 100.0% 0 13.40s 696 42,656 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Laguna XS 2.1 5.5 10.0 33.3% 0 70.35s 7,995 23,767 83,258
Step 3.7 Flash 4.0 6.0 22.2% 1 206.21s 6,057 327,340 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Laguna XS 2.1 9.6 10.0 100.0% 0 13.43s 18,033 507 5,908
Step 3.7 Flash 10.0 10.0 100.0% 0 13.01s 13,638 8,802 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Laguna XS 2.1 10.0 10.0 100.0% 0 4.50s 7,734 234 3,129
Step 3.7 Flash 10.0 10.0 100.0% 0 14.72s 7,368 23,113 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Laguna XS 2.1 2.9 7.2 11.1% 1 65.66s 834 17 91,533
Step 3.7 Flash 4.1 4.4 44.5% 2 149.64s 783 410,502 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Laguna XS 2.1 5.0 10.0 0.0% 0 4.15s 537 119 1,375
Step 3.7 Flash 5.5 10.0 0.0% 0 4.17s 510 2,862 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Laguna XS 2.1 9.8 10.0 100.0% 0 2.57s 753 82 1,844
Step 3.7 Flash 9.8 10.0 100.0% 0 1.52s 705 2,010 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Laguna XS 2.1 5.3 10.0 33.3% 0 3.43s 771 357 3,355
Step 3.7 Flash 5.3 7.2 44.4% 1 10.22s 711 25,422 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Laguna XS 2.1 10.0 10.0 100.0% 0 3.01s 7,638 309 748
Step 3.7 Flash 10.0 10.0 100.0% 0 2.79s 7,701 1,172 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Laguna XS 2.1 3.0 10.0 0.0% 0 10.88s 255 16 4,437
Step 3.7 Flash 3.0 10.0 0.0% 0 149.34s 222 147,476 0

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