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gpt-oss-120b vs Qwen3.5-9B (medium)

gpt-oss-120b leads on average score with 4.2 vs 4.0. gpt-oss-120b has the lower benchmark cost at $0.016 vs $0.106. gpt-oss-120b is faster at 28.63s vs 110.18s, with pass rates of 34.8% vs 26.1%.

Last updated at: 2026-10-07

Compared models

Rank
#361
Total Output Tokens
62,213
Response Time (avg)
28.63s
Total Cost
$0.016
Rank
#365
Total Output Tokens
447,247
Response Time (avg)
110.18s
Total Cost
$0.106
Recommended model gpt-oss-120b

It has the best score here (4.2), while costing about 6.8x less than Qwen3.5-9B (medium).

Detailed comparison

Metric gpt-oss-120b gpt-oss-120b none Release: 2025-08-05 Qwen3.5-9B Qwen3.5-9B medium Release: 2026-03-02
Score 4.2 4.0
Rank #361 #365
Reliability 10.0 8.7
Consistency 7.6 7.9
Attempts 60/69 69/69
Tests Correct
Attempt pass rate 34.8% 26.1%
Flaky tests 3 6
Total Runs 60 69
Cost per result 0.274 3.523
Total Cost $0.016 $0.106
Input Price $0.037 / 1M $0.100 / 1M
Output Price $0.170 / 1M $0.150 / 1M
Cache Read Price N/A N/A
Cache Write Price N/A N/A
Total Input Tokens 131,652 387,323
Output Tokens 16,869 48,562
Reasoning Tokens 53,081 410,431
Response Time (avg) 28.63s 110.18s
Response Time (max) 140.90s 569.97s
Response Time (total) 486.69s 1873.00s
Parameters 117B total (5.1B active) 9B
Availability Open source Open source

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.

#361 gpt-oss-120b

none
No showcase result has been generated for this model yet.
Cost
N/A
Time
-
Tokens
0 tok

#365 Qwen3.5-9B

medium
Cost
$0.001
Time
35.9s
Tokens
3,030 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

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
gpt-oss-120b 1.5 0.4 22.2% 1 9.57s 901 204 3,028
Qwen3.5-9B 2.9 10.0 0.0% 0 100.88s 2,396 7,890 41,129

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