Navigate
Advertise here

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

Mercury 2.5 Preview (medium) leads on average score with 6.8 vs 6.4. Mercury 2.5 Preview (medium) has the lower benchmark cost at $0.039 vs $0.098. Mercury 2.5 Preview (medium) is faster at 6.66s vs 133.93s, with pass rates of 66.7% vs 60.9%.

Last updated at: 2026-11-10

Compared models

Rank
#231
Total Output Tokens
150,107
Response Time (avg)
6.66s
Total Cost
$0.039
Rank
#269
Total Output Tokens
408,067
Response Time (avg)
133.93s
Total Cost
$0.098
Recommended model Mercury 2.5 Preview (medium)

It has the best score here (6.8), while costing about 2.5x less than Solar Pro 4 (medium).

Detailed comparison

Metric Mercury 2.5 Preview Mercury 2.5 Preview medium Release: 2026-09-02 Solar Pro 4 Solar Pro 4 medium Release: 2026-08-11
Score 6.8 6.4
Rank #231 #269
Reliability 10.0 9.9
Consistency 9.6 8.4
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 66.7% 60.9%
Flaky tests 1 5
Total Runs 69 69
Cost per result 0.244 0.673
Total Cost $0.039 $0.098
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 397,291 299,558
Output Tokens 6,355 33,248
Reasoning Tokens 143,752 374,819
Response Time (avg) 6.66s 133.93s
Response Time (max) 74.63s 519.91s
Response Time (total) 153.29s 3080.36s
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.

#231 Mercury 2.5 Preview

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

#269 Solar Pro 4

medium
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 5.5 7.4 44.4% 1 310.39s 6,960 24,549 98,680

Switch Comparison Pair