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Mercury 2.5 Preview (low) vs Qwen3 Coder Next (default)

Mercury 2.5 Preview (low) leads on average score with 5.0 vs 4.9. Mercury 2.5 Preview (low) has the lower benchmark cost at $0.015 vs $0.067. Mercury 2.5 Preview (low) is faster at 4.92s vs 19.73s, with pass rates of 44.9% vs 24.6%.

Last updated at: 2026-10-19

Compared models

Rank
#350
Total Output Tokens
36,870
Response Time (avg)
4.92s
Total Cost
$0.015
Rank
#357
Total Output Tokens
45,168
Response Time (avg)
19.73s
Total Cost
$0.067
Recommended model Mercury 2.5 Preview (low)

It has the best score here (5.0), while costing about 4.4x less than Qwen3 Coder Next (default).

Detailed comparison

Metric Mercury 2.5 Preview Mercury 2.5 Preview low Release: 2026-09-02 Qwen3 Coder Next Qwen3 Coder Next default Release: 2026-02-03
Score 5.0 4.9
Rank #350 #357
Reliability 9.9 10.0
Consistency 7.1 9.7
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 44.9% 24.6%
Flaky tests 8 1
Total Runs 69 69
Cost per result 0.244 1.300
Total Cost $0.015 $0.067
Input Price $0.040 / 1M $0.120 / 1M
Output Price $0.150 / 1M $0.800 / 1M
Cache Read Price N/A $0.070 / 1M
Cache Write Price N/A N/A
Total Input Tokens 235,438 250,329
Output Tokens 8,136 45,168
Reasoning Tokens 28,734 0
Response Time (avg) 4.92s 19.73s
Response Time (max) 84.47s 208.38s
Response Time (total) 113.24s 355.09s
Parameters ~100B 80B total (3B active)
Availability Closed 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.

#350 Mercury 2.5 Preview

low
Cost
$0.001
Time
1.5s
Tokens
1,169 tok

#357 Qwen3 Coder Next

default
Invalid SVG
Cost
$0.058
Time
246.3s
Tokens
64,126 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 5.5 10.0 33.3% 0 972ms 7,794 695 2,263
Qwen3 Coder Next 4.6 7.9 22.2% 1 2.22s 7,442 621 0

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