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Qwen3.5 Plus 2026-04-20 (medium) vs Grok 4.5 (low)

Grok 4.5 (low) leads on average score with 7.8 vs 7.7. Qwen3.5 Plus 2026-04-20 (medium) has the lower benchmark cost at $0.488 vs $1.345. Grok 4.5 (low) is faster at 18.14s vs 54.06s, with pass rates of 65.2% vs 73.9%.

Last updated at: 2026-10-01

Compared models

Rank
#113
Total Output Tokens
200,348
Response Time (avg)
54.06s
Total Cost
$0.488
Rank
#109
Total Output Tokens
121,415
Response Time (avg)
18.14s
Total Cost
$1.345
Recommended model Qwen3.5 Plus 2026-04-20 (medium)

Its score stays close to the best score here (7.7 vs 7.8), while costing about 2.8x less than Grok 4.5 (low).

Detailed comparison

Metric Qwen3.5 Plus 2026-04-20 Qwen3.5 Plus 2026-04-20 medium Release: 2026-04-20 Grok 4.5 Grok 4.5 low Release: 2026-07-08
Score 7.7 7.8
Rank #113 #109
Reliability 9.7 10.0
Consistency 9.1 9.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 65.2% 73.9%
Flaky tests 2 2
Total Runs 69 69
Cost per result 3.481 8.404
Total Cost $0.488 $1.345
Input Price $0.300 / 1M $2.000 / 1M
Output Price $1.800 / 1M $6.000 / 1M
Total Input Tokens 176,539 308,068
Output Tokens 4,419 9,218
Reasoning Tokens 195,929 112,197
Response Time (avg) 54.06s 18.14s
Response Time (max) 203.01s 205.28s
Response Time (total) 1189.36s 417.21s
Parameters ~397B total (~17B active) ~1.7T total (~170B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#113 Qwen3.5 Plus 2026-04-20

medium
Cost
$0.008
Time
76.7s
Tokens
4,355 tok

#109 SpaceXAI: Grok 4.5

low
Cost
$0.011
Time
12.4s
Tokens
2,018 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 Plus 2026-04-20 6.2 8.7 33.3% 0 125.25s 7,630 308 58,682
Grok 4.5 10.0 10.0 100.0% 0 13.72s 9,579 303 15,641

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