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

The average score is effectively tied at 7.9 vs 7.8. Gemini 3.5 Flash (medium) has the lower benchmark cost at $1.316 vs $2.996. Gemini 3.5 Flash (medium) is faster at 11.78s vs 68.44s, with pass rates of 81.2% vs 79.7%.

Last updated at: 2026-10-02

Compared models

Rank
#101
Total Output Tokens
96,655
Response Time (avg)
11.78s
Total Cost
$1.316
Rank
#104
Total Output Tokens
306,044
Response Time (avg)
68.44s
Total Cost
$2.996
Recommended model Gemini 3.5 Flash (medium)

It has the best score here (7.9), while costing about 2.3x less than Grok 4.5 (medium).

Detailed comparison

Metric Gemini 3.5 Flash Gemini 3.5 Flash medium Release: 2026-05-19 Grok 4.5 Grok 4.5 medium Release: 2026-07-08
Score 7.9 7.8
Rank #101 #104
Reliability 10.0 10.0
Consistency 9.3 9.0
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 81.2% 79.7%
Flaky tests 2 3
Total Runs 69 69
Cost per result 7.306 14.430
Total Cost $1.316 $2.996
Input Price $1.500 / 1M $2.000 / 1M
Output Price $9.000 / 1M $6.000 / 1M
Cache Read Price $0.150 / 1M $0.300 / 1M
Cache Write Price $0.084 / 1M N/A
Total Input Tokens 296,760 308,369
Output Tokens 4,371 7,013
Reasoning Tokens 92,284 299,031
Response Time (avg) 11.78s 68.44s
Response Time (max) 84.47s 436.38s
Response Time (total) 271.03s 1574.14s
Parameters ~500B total (~20B active) ~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.

#101 Gemini 3.5 Flash

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

#104 SpaceXAI: Grok 4.5

medium
Cost
$0.044
Time
59.4s
Tokens
7,512 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 7.6 7.2 77.8% 1 155.69s 9,579 390 104,634

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