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Qwen3.5-9B (medium) vs Grok 4.20

Qwen3.5-9B (medium) leads on average score with 4.0 vs 3.4. Grok 4.20 has the lower benchmark cost at $0.057 vs $0.106. Grok 4.20 is faster at 1.11s vs 110.18s, with pass rates of 26.1% vs 26.1%.

Last updated at: 2026-10-24

Compared models

Rank
#402
Total Output Tokens
447,247
Response Time (avg)
110.18s
Total Cost
$0.106
Rank
#419
Total Output Tokens
1,923
Response Time (avg)
1.11s
Total Cost
$0.057
Recommended model Qwen3.5-9B (medium)

It has the strongest score in this comparison (4.0) and the best overall balance of cost and response time across 2 models.

Detailed comparison

Metric Qwen3.5-9B Qwen3.5-9B medium Release: 2026-03-02 Grok 4.20 Grok 4.20 none Release: 2026-03-31
Score 4.0 3.4
Rank #402 #419
Reliability 8.7 N/A
Consistency 7.9 7.8
Attempts 69/69 54/69
Tests Correct
Attempt pass rate 26.1% 26.1%
Flaky tests 6 0
Total Runs 69 54
Cost per result 3.523 1.570
Total Cost $0.106 $0.057
Input Price $0.100 / 1M $1.250 / 1M
Output Price $0.150 / 1M $2.500 / 1M
Cache Read Price N/A $0.200 / 1M
Cache Write Price N/A N/A
Total Input Tokens 387,323 41,313
Output Tokens 48,562 1,923
Reasoning Tokens 410,431 0
Response Time (avg) 110.18s 1.11s
Response Time (max) 569.97s 6.04s
Response Time (total) 1873.00s 19.96s
Parameters 9B ~1T total (~100B active)
Availability Open source 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.

#402 Qwen3.5-9B

medium
Cost
$0.001
Time
35.9s
Tokens
3,030 tok

#419 xAI: Grok 4.20

none
Cost
$0.004
Time
6.5s
Tokens
1,367 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
Qwen3.5-9B 2.9 10.0 0.0% 0 100.88s 2,396 7,890 41,129
Grok 4.20 1.1 3.1 0.0% 0 1.22s 1,074 312 0

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