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Mercury 2.5 Preview (medium) vs Solar Pro 4 (xhigh)

Mercury 2.5 Preview (medium) leads on average score with 6.8 vs 6.7. Mercury 2.5 Preview (medium) has the lower benchmark cost at $0.039 vs $0.067. Mercury 2.5 Preview (medium) is faster at 6.66s vs 142.76s, with pass rates of 66.7% vs 58.0%.

Last updated at: 2026-10-16

Compared models

Rank
#199
Total Output Tokens
150,107
Response Time (avg)
6.66s
Total Cost
$0.039
Rank
#202
Total Output Tokens
424,490
Response Time (avg)
142.76s
Total Cost
$0.067
Recommended model Mercury 2.5 Preview (medium)

It has the best score here (6.8), while costing about 1.7x less than Solar Pro 4 (xhigh).

Detailed comparison

Metric Mercury 2.5 Preview Mercury 2.5 Preview medium Release: 2026-09-02 Solar Pro 4 Solar Pro 4 xhigh Release: 2026-08-11
Score 6.8 6.7
Rank #199 #202
Reliability 10.0 9.9
Consistency 9.6 9.4
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 66.7% 58.0%
Flaky tests 1 2
Total Runs 69 69
Cost per result 0.244 0.559
Total Cost $0.039 $0.067
Input Price $0.040 / 1M $0.090 / 1M
Output Price $0.150 / 1M $0.360 / 1M
Cache Read Price N/A $0.018 / 1M
Cache Write Price N/A N/A
Total Input Tokens 397,291 150,033
Output Tokens 6,355 22,347
Reasoning Tokens 143,752 402,143
Response Time (avg) 6.66s 142.76s
Response Time (max) 74.63s 491.42s
Response Time (total) 153.29s 3283.43s
Parameters ~100B ~100B
Availability Closed Closed

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.

#199 Mercury 2.5 Preview

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

#202 Solar Pro 4

xhigh
No showcase result has been generated for this model yet.
Cost
N/A
Time
-
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 7.8 10.0 66.7% 0 3.86s 7,839 552 22,126
Solar Pro 4 5.8 9.9 33.3% 0 292.21s 7,887 15,575 115,426

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