Navigate
Advertise here

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

The average score is effectively tied at 6.4 vs 6.4. Mercury 2.5 (medium) has the lower benchmark cost at $0.034 vs $0.098. Mercury 2.5 (medium) is faster at 7.74s vs 133.93s, with pass rates of 63.8% vs 60.9%.

Last updated at: 2026-10-19

Compared models

Rank
#246
Total Output Tokens
138,946
Response Time (avg)
7.74s
Total Cost
$0.034
Rank
#241
Total Output Tokens
408,067
Response Time (avg)
133.93s
Total Cost
$0.098
Recommended model Mercury 2.5 (medium)

It has the best score here (6.4), while costing about 2.9x less than Solar Pro 4 (medium).

Detailed comparison

Metric Mercury 2.5 Mercury 2.5 medium Release: 2026-09-08 Solar Pro 4 Solar Pro 4 medium Release: 2026-08-11
Score 6.4 6.4
Rank #246 #241
Reliability 9.7 9.9
Consistency 8.3 8.4
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 63.8% 60.9%
Flaky tests 5 5
Total Runs 69 69
Cost per result 0.280 0.673
Total Cost $0.034 $0.098
Input Price $0.040 / 1M $0.090 / 1M
Output Price $0.150 / 1M $0.360 / 1M
Cache Read Price $0.004 / 1M $0.018 / 1M
Cache Write Price N/A N/A
Total Input Tokens 317,982 299,558
Output Tokens 3,918 33,248
Reasoning Tokens 135,028 374,819
Response Time (avg) 7.74s 133.93s
Response Time (max) 107.89s 519.91s
Response Time (total) 178.07s 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.

#246 Mercury 2.5

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

#241 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 5.0 5.1 44.5% 2 3.70s 7,807 488 21,857
Solar Pro 4 5.5 7.4 44.4% 1 310.39s 6,960 24,549 98,680

Switch Comparison Pair