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Gemini 3.5 Flash (medium) vs Grok 4.5 (high)

The average score is effectively tied at 9.0 vs 9.0. Gemini 3.5 Flash (medium) has the lower benchmark cost at $0.665 vs $2.252. Gemini 3.5 Flash (medium) is faster at 8.48s vs 72.30s, with pass rates of 83.3% vs 86.4%.

Last updated at: 2026-08-29

Rank
#18
Total Output Tokens
62,173
Response Time (avg)
8.48s
Total Cost
$0.665
Rank
#21
Total Output Tokens
324,462
Response Time (avg)
72.30s
Total Cost
$2.252
Recommended model Gemini 3.5 Flash (medium)

It has the best score here (9.0), while costing about 3.4x less than Grok 4.5 (high).

Detailed comparison

Metric Gemini 3.5 Flash Gemini 3.5 Flash medium Release: 2026-05-19 Grok 4.5 Grok 4.5 high Release: 2026-07-08
Score 9.0 9.0
Rank #18 #21
Reliability 10.0 10.0
Consistency 9.7 8.9
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 83.3% 86.4%
Flaky tests 1 3
Total Runs 66 66
Cost per result 3.690 12.565
Total Cost $0.665 $2.252
Input Price $1.500 / 1M $2.000 / 1M
Output Price $9.000 / 1M $6.000 / 1M
Total Input Tokens 69,756 152,175
Output Tokens 2,166 5,655
Reasoning Tokens 60,007 318,807
Response Time (avg) 8.48s 72.30s
Response Time (max) 76.68s 676.83s
Response Time (total) 186.57s 1590.56s
Parameters ~500B total (~20B active) ~1.7T total (~170B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#18 Gemini 3.5 Flash

medium
Cost
$0.201
Time
112.9s
Tokens
22,371 tok

#21 SpaceXAI: Grok 4.5

high
Cost
$0.015
Time
29.7s
Tokens
2,737 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
Gemini 3.5 Flash 7.9 7.5 77.8% 1 12.63s 8,118 461 24,939
Grok 4.5 10.0 10.0 100.0% 0 155.16s 9,579 357 100,752

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