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Qwen3.5 Plus 2026-02-15 vs Grok 4.3 (medium)

Grok 4.3 (medium) leads on average score with 6.5 vs 6.3. Qwen3.5 Plus 2026-02-15 has the lower benchmark cost at $0.176 vs $0.989. Qwen3.5 Plus 2026-02-15 is faster at 20.07s vs 44.53s, with pass rates of 52.2% vs 63.8%.

Last updated at: 2026-10-01

Compared models

Rank
#218
Total Output Tokens
53,060
Response Time (avg)
20.07s
Total Cost
$0.176
Rank
#199
Total Output Tokens
232,542
Response Time (avg)
44.53s
Total Cost
$0.989
Recommended model Qwen3.5 Plus 2026-02-15

Its score stays close to the best score here (6.3 vs 6.5), while costing about 5.6x less than Grok 4.3 (medium).

Detailed comparison

Metric Qwen3.5 Plus 2026-02-15 Qwen3.5 Plus 2026-02-15 none Release: 2026-02-15 Grok 4.3 Grok 4.3 medium Release: 2026-05-01
Score 6.3 6.5
Rank #218 #199
Reliability 10.0 10.0
Consistency 9.1 8.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 52.2% 63.8%
Flaky tests 3 5
Total Runs 69 69
Cost per result 1.593 8.235
Total Cost $0.176 $0.989
Input Price $0.260 / 1M $1.250 / 1M
Output Price $1.560 / 1M $2.500 / 1M
Total Input Tokens 346,064 325,471
Output Tokens 53,060 14,867
Reasoning Tokens 0 217,675
Response Time (avg) 20.07s 44.53s
Response Time (max) 183.50s 216.69s
Response Time (total) 341.27s 1024.25s
Parameters ~397B total (~17B active) ~1.5T total (~150B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#218 Qwen3.5 Plus 2026-02-15

none
Cost
$0.012
Time
153.2s
Tokens
7,787 tok

#199 SpaceXAI: Grok 4.3

medium
Cost
$0.009
Time
19.0s
Tokens
3,661 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 2026-02-15 4.3 7.9 11.1% 1 2.05s 7,913 473 0
Grok 4.3 5.9 7.7 44.4% 1 41.23s 8,340 1,028 31,226

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