Navigate
AD
Track all your projects in one dashboard. Get 📊stats, 🔥heatmaps and 👀recordings in one self-hosted dashboard.
uxwizz.com

Mercury 2.5 (medium) vs Step 3.7 Flash (high)

Step 3.7 Flash (high) leads on average score with 6.8 vs 6.8. Mercury 2.5 (medium) has the lower benchmark cost at $0.022 vs $1.229. Mercury 2.5 (medium) is faster at 3.19s vs 70.10s, with pass rates of 65.2% vs 60.6%.

Last updated at: 2026-09-08

Compared models

Rank
#157
Total Output Tokens
120,129
Response Time (avg)
3.19s
Total Cost
$0.022
Rank
#150
Total Output Tokens
1,050,900
Response Time (avg)
70.10s
Total Cost
$1.229
Recommended model Mercury 2.5 (medium)

Its score stays close to the best score here (6.8 vs 6.8), while costing about 56.7x less than Step 3.7 Flash (high).

Detailed comparison

Metric Mercury 2.5 Mercury 2.5 medium Release: 2026-09-08 Step 3.7 Flash Step 3.7 Flash high Release: 2026-05-29
Score 6.8 6.8
Rank #157 #150
Reliability 9.8 10.0
Consistency 8.6 8.4
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 65.2% 60.6%
Flaky tests 4 4
Total Runs 66 66
Cost per result 0.181 11.167
Total Cost $0.022 $1.229
Input Price $0.040 / 1M $0.200 / 1M
Output Price $0.150 / 1M $1.150 / 1M
Total Input Tokens 91,402 98,700
Output Tokens 3,138 1,050,900
Reasoning Tokens 116,991 0
Response Time (avg) 3.19s 70.10s
Response Time (max) 9.87s 364.99s
Response Time (total) 70.18s 1542.14s
Parameters ~100B 198B total (11B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

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

#157 Mercury 2.5

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

#150 Step 3.7 Flash

high
Cost
$0.007
Time
63.6s
Tokens
6,030 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
Step 3.7 Flash 4.0 6.0 22.2% 1 206.21s 6,057 327,340 0

Quick Compare

Switch Comparison Pair