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Gemini 3.5 Flash (medium) vs Grok 4.6 (high)

Grok 4.6 (high) leads on average score with 9.2 vs 9.1. Gemini 3.5 Flash (medium) has the lower benchmark cost at $0.642 vs $1.809. Gemini 3.5 Flash (medium) is faster at 8.20s vs 79.38s, with pass rates of 87.9% vs 84.9%.

Last updated at: 2026-08-12

Rank
#14
Total Output Tokens
59,602
Response Time (avg)
8.20s
Total Cost
$0.642
Rank
#11
Total Output Tokens
265,604
Response Time (avg)
79.38s
Total Cost
$1.809
Recommended model Gemini 3.5 Flash (medium)

Its score stays close to the best score here (9.1 vs 9.2), while costing about 2.8x less than Grok 4.6 (high).

Detailed comparison

Metric Gemini 3.5 Flash Gemini 3.5 Flash medium Release: 2026-05-19 Grok 4.6 Grok 4.6 high Release: 2026-08-12
Score 9.1 9.2
Rank #14 #11
Reliability 10.0 10.0
Consistency 9.7 9.6
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 87.9% 84.9%
Flaky tests 1 1
Total Runs 66 66
Cost per result 3.374 10.046
Total Cost $0.642 $1.809
Input Price $1.500 / 1M $2.000 / 1M
Output Price $9.000 / 1M $6.000 / 1M
Total Input Tokens 69,747 107,266
Output Tokens 2,166 5,094
Reasoning Tokens 57,436 260,510
Response Time (avg) 8.20s 79.38s
Response Time (max) 76.68s 618.49s
Response Time (total) 180.47s 1746.29s
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.

#14 Gemini 3.5 Flash

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

#11 SpaceXAI: Grok 4.6

high
Cost
$0.107
Time
265.1s
Tokens
18,001 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 4.6 10.0 10.0 100.0% 0 102.20s 9,579 379 51,829

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