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Cobuddy vs OpenAI: GPT-5.5

Summary

Cobuddy vs GPT-5.5 benchmark comparison: GPT-5.5 leads on average score with 9.3 vs 4.9. Cobuddy has the lower benchmark cost at $0.000 vs $0.907. GPT-5.5 is faster at 9.76s vs 39.90s, with pass rates of 47.6% vs 85.7%.

Recommended model: GPT-5.5 - It has the best score here (9.3), while responding about 4.1x faster than Cobuddy.

Last updated at: 2026-06-18

Metric Cobuddy Cobuddy medium Release: 2026-05-06 GPT-5.5 GPT-5.5 low Release: 2026-04-24
Score 4.9 9.3
Rank #140 #4
Reliability 10.0 10.0
Consistency 7.5 10.0
Tests Correct
Attempt pass rate 47.6% 85.7%
Flaky tests 6 0
Total Runs 63 63
Cost per result 0.000 5.035
Total Cost $0.000 $0.907
Input Price $0.000 / 1M $5.000 / 1M
Output Price $0.000 / 1M $30.000 / 1M
Total Input Tokens 37,449 34,209
Output Tokens 1,677 2,046
Reasoning Tokens 116,703 22,460
Response Time (avg) 39.90s 9.76s
Response Time (max) 309.02s 56.19s
Response Time (total) 797.98s 204.92s

Generation showcase

Hamster playing table tennis

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

#140 Cobuddy

medium
No endpoints found for baidu/cobuddy:free.
Cost
$0.000
Time
0.1s
Tokens
0 tok

#4 GPT-5.5

low
Cost
$0.068
Time
37.0s
Tokens
2,339 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
Cobuddy 8.7 7.9 91.7% 1 10.00s 453 98 4,666
GPT-5.5 10.0 10.0 100.0% 0 4.41s 606 238 1,020
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Cobuddy 3.7 6.7 22.2% 1 79.17s 4,726 358 30,138
GPT-5.5 10.0 10.0 100.0% 0 15.04s 7,302 423 6,402
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Cobuddy 3.0 10.0 0.0% 0 47.38s 18,324 465 7,265
GPT-5.5 10.0 10.0 100.0% 0 9.56s 11,019 303 717
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Cobuddy 6.3 5.8 66.7% 1 17.36s 8,181 275 5,591
GPT-5.5 10.0 10.0 100.0% 0 3.28s 7,140 228 157
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Cobuddy 2.9 4.4 22.2% 2 128.15s 540 10 49,454
GPT-5.5 5.3 10.0 33.3% 0 28.05s 723 69 11,609
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Cobuddy 4.2 9.9 0.0% 0 23.23s 498 76 3,782
GPT-5.5 10.0 10.0 100.0% 0 5.17s 477 133 245
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Cobuddy 9.8 10.0 100.0% 0 11.60s 508 64 2,842
GPT-5.5 9.9 10.0 100.0% 0 3.74s 660 93 415
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Cobuddy 3.6 7.2 22.2% 1 12.83s 561 189 5,808
GPT-5.5 10.0 10.0 100.0% 0 4.74s 642 279 954
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Cobuddy 10.0 10.0 100.0% 0 11.19s 3,505 133 294
GPT-5.5 10.0 10.0 100.0% 0 4.96s 5,445 250 101
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Cobuddy 3.0 10.0 0.0% 0 36.98s 153 9 6,863
GPT-5.5 3.0 10.0 0.0% 0 10.06s 195 30 840

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