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gpt-oss-120b (medium) vs Qwen3.5-Flash (medium)

The average score is effectively tied at 6.1 vs 6.1. gpt-oss-120b (medium) has the lower benchmark cost at $0.019 vs $0.142. gpt-oss-120b (medium) is faster at 20.81s vs 84.44s, with pass rates of 50.0% vs 65.2%.

Last updated at: 2026-08-15

Rank
#169
Total Output Tokens
98,282
Response Time (avg)
20.81s
Total Cost
$0.019
Rank
#172
Total Output Tokens
512,846
Response Time (avg)
84.44s
Total Cost
$0.142
Recommended model gpt-oss-120b (medium)

It has the best score here (6.1), while costing about 7.7x less than Qwen3.5-Flash (medium).

Detailed comparison

Metric gpt-oss-120b gpt-oss-120b medium Release: 2025-08-05 Qwen3.5-Flash Qwen3.5-Flash medium Release: 2026-02-24
Score 6.1 6.1
Rank #169 #172
Reliability 10.0 10.0
Consistency 8.0 7.8
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 50.0% 65.2%
Flaky tests 5 6
Total Runs 66 66
Cost per result 0.224 1.491
Total Cost $0.019 $0.142
Input Price $0.030 / 1M $0.065 / 1M
Output Price $0.170 / 1M $0.260 / 1M
Total Input Tokens 108,767 118,508
Output Tokens 29,378 35,457
Reasoning Tokens 68,904 477,389
Response Time (avg) 20.81s 84.44s
Response Time (max) 68.16s 515.38s
Response Time (total) 332.88s 1773.20s
Parameters 117B total (5.1B active) ~35B total (~3B active)
Availability Open source Closed

Model generation showcase

Hamster playing table tennis

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

#169 gpt-oss-120b

medium
Cost
$0.001
Time
26.7s
Tokens
555 tok

#172 Qwen3.5-Flash

medium
Cost
$0.002
Time
25.8s
Tokens
4,294 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-oss-120b 5.9 7.0 55.6% 1 38.37s 7,782 3,365 11,973
Qwen3.5-Flash 3.7 7.2 22.2% 1 58.87s 6,685 302 90,081

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