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Mercury 2.5 Preview (medium) vs Grok 4.7 (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 $3.398. Mercury 2.5 Preview (medium) is faster at 6.66s vs 123.96s, with pass rates of 66.7% vs 73.9%.

Last updated at: 2026-10-09

Compared models

Rank
#183
Total Output Tokens
150,107
Response Time (avg)
6.66s
Total Cost
$0.039
Rank
#187
Total Output Tokens
572,315
Response Time (avg)
123.96s
Total Cost
$3.398
Recommended model Mercury 2.5 Preview (medium)

It has the best score here (6.8), while costing about 88.5x less than Grok 4.7 (xhigh).

Detailed comparison

Metric Mercury 2.5 Preview Mercury 2.5 Preview medium Release: 2026-09-02 Grok 4.7 Grok 4.7 xhigh Release: 2026-09-21
Score 6.8 6.7
Rank #183 #187
Reliability 10.0 9.7
Consistency 9.6 7.8
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 66.7% 73.9%
Flaky tests 1 6
Total Runs 69 69
Cost per result 0.244 24.272
Total Cost $0.039 $3.398
Input Price $0.040 / 1M $2.000 / 1M
Output Price $0.150 / 1M $6.000 / 1M
Cache Read Price N/A $0.500 / 1M
Cache Write Price N/A N/A
Total Input Tokens 397,291 310,049
Output Tokens 6,355 6,094
Reasoning Tokens 143,752 566,221
Response Time (avg) 6.66s 123.96s
Response Time (max) 74.63s 775.64s
Response Time (total) 153.29s 2851.07s
Parameters ~100B ~1.7T total (~170B active)
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.

#183 Mercury 2.5 Preview

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

#187 SpaceXAI: Grok 4.7

xhigh
Cost
$0.235
Time
544.2s
Tokens
39,247 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
Grok 4.7 5.3 4.5 55.6% 2 414.53s 10,168 327 256,935

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