Navigate
Advertise here

Mercury 2.5 (medium) vs Qwen3.5 Plus 2026-02-15

Mercury 2.5 (medium) leads on average score with 6.4 vs 6.3. Mercury 2.5 (medium) has the lower benchmark cost at $0.034 vs $0.176. Mercury 2.5 (medium) is faster at 7.74s vs 20.07s, with pass rates of 63.8% vs 52.2%.

Last updated at: 2026-10-01

Compared models

Rank
#206
Total Output Tokens
138,946
Response Time (avg)
7.74s
Total Cost
$0.034
Rank
#218
Total Output Tokens
53,060
Response Time (avg)
20.07s
Total Cost
$0.176
Recommended model Mercury 2.5 (medium)

It has the best score here (6.4), while costing about 5.2x less than Qwen3.5 Plus 2026-02-15.

Detailed comparison

Metric Mercury 2.5 Mercury 2.5 medium Release: 2026-09-08 Qwen3.5 Plus 2026-02-15 Qwen3.5 Plus 2026-02-15 none Release: 2026-02-15
Score 6.4 6.3
Rank #206 #218
Reliability 9.7 10.0
Consistency 8.3 9.1
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 63.8% 52.2%
Flaky tests 5 3
Total Runs 69 69
Cost per result 0.280 1.593
Total Cost $0.034 $0.176
Input Price $0.040 / 1M $0.260 / 1M
Output Price $0.150 / 1M $1.560 / 1M
Total Input Tokens 317,982 346,064
Output Tokens 3,918 53,060
Reasoning Tokens 135,028 0
Response Time (avg) 7.74s 20.07s
Response Time (max) 107.89s 183.50s
Response Time (total) 178.07s 341.27s
Parameters ~100B ~397B total (~17B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#206 Mercury 2.5

medium
Cost
$0.001
Time
3.8s
Tokens
3,386 tok

#218 Qwen3.5 Plus 2026-02-15

none
Cost
$0.012
Time
153.2s
Tokens
7,787 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 5.0 5.1 44.5% 2 3.70s 7,807 488 21,857
Qwen3.5 Plus 2026-02-15 4.3 7.9 11.1% 1 2.05s 7,913 473 0

Quick Compare

Switch Comparison Pair