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GPT-5 Nano (medium) vs Space Bunny Alpha (high)

Space Bunny Alpha (high) leads on average score with 7.5 vs 5.7. Space Bunny Alpha (high) has the lower benchmark cost at $0.000 vs $0.159. Space Bunny Alpha (high) is faster at 29.38s vs 56.55s, with pass rates of 53.6% vs 63.8%.

Last updated at: 2026-10-03

Compared models

Rank
#260
Total Output Tokens
307,921
Response Time (avg)
56.55s
Total Cost
$0.159
Rank
#120
Total Output Tokens
181,271
Response Time (avg)
29.38s
Total Cost
$0.000
Recommended model Space Bunny Alpha (high)

It has the best score here (7.5), while responding about 1.9x faster than GPT-5 Nano (medium).

Detailed comparison

Metric GPT-5 Nano GPT-5 Nano medium Release: 2025-08-07 Space Bunny Alpha Space Bunny Alpha high Release: 2026-09-24
Score 5.7 7.5
Rank #260 #120
Reliability 10.0 10.0
Consistency 6.5 8.5
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 53.6% 63.8%
Flaky tests 10 4
Total Runs 69 69
Cost per result 1.737 0.000
Total Cost $0.159 $0.000
Input Price $0.050 / 1M $0.000 / 1M
Output Price $0.400 / 1M $0.000 / 1M
Cache Read Price $0.005 / 1M N/A
Cache Write Price N/A N/A
Total Input Tokens 314,436 302,228
Output Tokens 13,578 181,271
Reasoning Tokens 294,343 0
Response Time (avg) 56.55s 29.38s
Response Time (max) 227.89s 234.56s
Response Time (total) 961.32s 675.79s
Parameters ~120B total (~5B 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.

#260 GPT-5 Nano

medium
Cost
$0.006
Time
108.5s
Tokens
13,209 tok

#120 Space Bunny Alpha

high
Cost
$0.000
Time
76.4s
Tokens
8,935 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
GPT-5 Nano 7.0 7.7 55.6% 1 41.62s 7,305 740 41,152
Space Bunny Alpha 6.2 7.1 55.6% 1 8.29s 8,493 8,006 0

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