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Qwen3.5 Plus 2026-02-15 vs Space Bunny Alpha (xhigh)

Qwen3.5 Plus 2026-02-15 leads on average score with 6.3 vs 6.2. Space Bunny Alpha (xhigh) has the lower benchmark cost at $0.000 vs $0.176. Qwen3.5 Plus 2026-02-15 is faster at 20.07s vs 60.03s, with pass rates of 52.2% vs 55.1%.

Last updated at: 2026-10-26

Compared models

Rank
#268
Total Output Tokens
53,060
Response Time (avg)
20.07s
Total Cost
$0.176
Rank
#276
Total Output Tokens
381,919
Response Time (avg)
60.03s
Total Cost
$0.000
Recommended model Qwen3.5 Plus 2026-02-15

It has the best score here (6.3), while responding about 3.0x faster than Space Bunny Alpha (xhigh).

Detailed comparison

Metric Qwen3.5 Plus 2026-02-15 Qwen3.5 Plus 2026-02-15 none Release: 2026-02-15 Space Bunny Alpha Space Bunny Alpha xhigh Release: 2026-09-24
Score 6.3 6.2
Rank #268 #276
Reliability 10.0 10.0
Consistency 9.1 7.1
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 52.2% 55.1%
Flaky tests 3 8
Total Runs 69 69
Cost per result 1.593 0.000
Total Cost $0.176 $0.000
Input Price $0.260 / 1M $0.000 / 1M
Output Price $1.560 / 1M $0.000 / 1M
Cache Read Price N/A N/A
Cache Write Price N/A N/A
Total Input Tokens 346,064 363,310
Output Tokens 53,060 381,919
Reasoning Tokens 0 0
Response Time (avg) 20.07s 60.03s
Response Time (max) 183.50s 459.99s
Response Time (total) 341.27s 1380.67s
Parameters ~397B total (~17B active) -
Availability Closed Closed

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

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

#268 Qwen3.5 Plus 2026-02-15

none
Cost
$0.012
Time
153.2s
Tokens
7,787 tok

#276 Space Bunny Alpha

xhigh
Cost
$0.000
Time
98.6s
Tokens
10,913 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

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-02-15 4.3 7.9 11.1% 1 2.05s 7,913 473 0
Space Bunny Alpha 6.6 5.0 66.7% 2 10.64s 8,493 10,115 0

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