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Mercury 2.5 Preview (medium) vs Inkling (low)

The average score is effectively tied at 6.8 vs 6.8. Mercury 2.5 Preview (medium) has the lower benchmark cost at $0.037 vs $0.304. Mercury 2.5 Preview (medium) is faster at 6.66s vs 6.81s, with pass rates of 66.7% vs 56.5%.

Last updated at: 2026-10-01

Compared models

Rank
#171
Total Output Tokens
150,107
Response Time (avg)
6.66s
Total Cost
$0.037
Rank
#170
Total Output Tokens
22,037
Response Time (avg)
6.81s
Total Cost
$0.304
Recommended model Mercury 2.5 Preview (medium)

It has the best score here (6.8), while costing about 8.3x less than Inkling (low).

Detailed comparison

Metric Mercury 2.5 Preview Mercury 2.5 Preview medium Release: 2026-09-02 Inkling Inkling low Release: 2026-07-18 Free Available
Score 6.8 6.8
Rank #171 #170
Reliability 10.0 10.0
Consistency 9.6 8.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 66.7% 56.5%
Flaky tests 1 4
Total Runs 69 69
Cost per result 0.244 2.756
Total Cost $0.037 $0.304
Input Price $0.000 / 1M $1.000 / 1M
Output Price $0.000 / 1M $4.050 / 1M
Total Input Tokens 397,291 213,901
Output Tokens 6,355 9,623
Reasoning Tokens 143,752 12,414
Response Time (avg) 6.66s 6.81s
Response Time (max) 74.63s 44.24s
Response Time (total) 153.29s 156.70s
Parameters ~100B 975B total (41B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

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

#171 Mercury 2.5 Preview

medium
Cost
$0.001
Time
2.7s
Tokens
2,241 tok

#170 Thinking Machines: Inkling

low
Cost
$0.002
Time
6.1s
Tokens
502 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 7.8 10.0 66.7% 0 3.86s 7,839 552 22,126
Inkling 5.1 7.2 22.2% 1 8.71s 7,374 355 4,961

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