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Mercury 2.5 Preview vs Qwen3 Coder Next (medium)

Mercury 2.5 Preview leads on average score with 4.7 vs 4.7. Mercury 2.5 Preview has the lower benchmark cost at $0.023 vs $0.069. Mercury 2.5 Preview is faster at 7.05s vs 16.97s, with pass rates of 29.0% vs 24.6%.

Last updated at: 2026-10-01

Compared models

Rank
#314
Total Output Tokens
86,367
Response Time (avg)
7.05s
Total Cost
$0.023
Rank
#319
Total Output Tokens
40,395
Response Time (avg)
16.97s
Total Cost
$0.069
Recommended model Mercury 2.5 Preview

It has the best score here (4.7), while costing about 3.1x less than Qwen3 Coder Next (medium).

Detailed comparison

Metric Mercury 2.5 Preview Mercury 2.5 Preview none Release: 2026-09-02 Qwen3 Coder Next Qwen3 Coder Next medium Release: 2026-02-03
Score 4.7 4.7
Rank #314 #319
Reliability 9.9 10.0
Consistency 8.3 8.7
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 29.0% 24.6%
Flaky tests 5 4
Total Runs 69 69
Cost per result 0.559 2.280
Total Cost $0.023 $0.069
Input Price $0.000 / 1M $0.120 / 1M
Output Price $0.000 / 1M $0.800 / 1M
Total Input Tokens 250,541 311,647
Output Tokens 86,367 40,395
Reasoning Tokens 0 0
Response Time (avg) 7.05s 16.97s
Response Time (max) 84.96s 151.35s
Response Time (total) 162.25s 305.55s
Parameters ~100B 80B total (3B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

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

#314 Mercury 2.5 Preview

none
Invalid SVG
Cost
$0.001
Time
3.3s
Tokens
3,122 tok

#319 Qwen3 Coder Next

medium
Reached the allocated time limit (300 seconds) without receiving showcase output.
Cost
$0.000
Time
300.0s
Tokens
0 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
Mercury 2.5 Preview 4.7 7.9 22.2% 1 459ms 7,850 650 0
Qwen3 Coder Next 3.7 7.2 22.2% 1 924ms 7,185 336 0

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