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Gemini 3.8 Flash (high) vs Grok 4.6 (high)

Gemini 3.8 Flash (high) leads on average score with 9.9 vs 9.3. Gemini 3.8 Flash (high) has the lower benchmark cost at $1.595 vs $1.908. Gemini 3.8 Flash (high) is faster at 37.19s vs 84.15s, with pass rates of 98.5% vs 86.4%.

Last updated at: 2026-09-02

Rank
#2
Total Output Tokens
408,188
Response Time (avg)
37.19s
Total Cost
$1.595
Rank
#12
Total Output Tokens
282,217
Response Time (avg)
84.15s
Total Cost
$1.908
Recommended model Gemini 3.8 Flash (high)

It has the best score here (9.9), while responding about 2.3x faster than Grok 4.6 (high).

Detailed comparison

Metric Gemini 3.8 Flash Gemini 3.8 Flash high Release: 2026-09-02 Grok 4.6 Grok 4.6 high Release: 2026-08-12
Score 9.9 9.3
Rank #2 #12
Reliability 10.0 10.0
Consistency 9.6 10.0
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 98.5% 86.4%
Flaky tests 1 0
Total Runs 66 66
Cost per result 7.592 10.042
Total Cost $1.595 $1.908
Input Price $0.750 / 1M $2.000 / 1M
Output Price $3.750 / 1M $6.000 / 1M
Total Input Tokens 84,593 107,275
Output Tokens 10,517 5,094
Reasoning Tokens 397,671 277,123
Response Time (avg) 37.19s 84.15s
Response Time (max) 177.08s 618.49s
Response Time (total) 818.19s 1851.26s
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.

#2 Gemini 3.8 Flash

high
Cost
$0.077
Time
129.1s
Tokens
20,373 tok

#12 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 3.8 Flash 10.0 10.0 100.0% 0 29.30s 8,118 462 50,196
Grok 4.6 10.0 10.0 100.0% 0 102.20s 9,579 379 51,829

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