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Gemini 3 Flash Preview vs Grok 4.3 (medium)

The average score is effectively tied at 6.4 vs 6.5. Gemini 3 Flash Preview has the lower benchmark cost at $0.155 vs $0.989. Gemini 3 Flash Preview is faster at 6.05s vs 44.53s, with pass rates of 62.3% vs 63.8%.

Last updated at: 2026-10-01

Compared models

Rank
#202
Total Output Tokens
12,432
Response Time (avg)
6.05s
Total Cost
$0.155
Rank
#199
Total Output Tokens
232,542
Response Time (avg)
44.53s
Total Cost
$0.989
Recommended model Gemini 3 Flash Preview

It has the best score here (6.4), while costing about 6.4x less than Grok 4.3 (medium).

Detailed comparison

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview none Release: 2025-12-17 Grok 4.3 Grok 4.3 medium Release: 2026-05-01
Score 6.4 6.5
Rank #202 #199
Reliability 10.0 10.0
Consistency 8.9 8.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 62.3% 63.8%
Flaky tests 3 5
Total Runs 69 69
Cost per result 1.187 8.235
Total Cost $0.155 $0.989
Input Price $0.500 / 1M $1.250 / 1M
Output Price $3.000 / 1M $2.500 / 1M
Total Input Tokens 233,893 325,471
Output Tokens 12,432 14,867
Reasoning Tokens 0 217,675
Response Time (avg) 6.05s 44.53s
Response Time (max) 57.84s 216.69s
Response Time (total) 102.89s 1024.25s
Parameters ~500B total (~20B active) ~1.5T total (~150B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#202 Gemini 3 Flash Preview

none
Cost
$0.003
Time
5.6s
Tokens
981 tok

#199 SpaceXAI: Grok 4.3

medium
Cost
$0.009
Time
19.0s
Tokens
3,661 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 Flash Preview 5.5 10.0 33.3% 0 1.80s 8,122 453 0
Grok 4.3 5.9 7.7 44.4% 1 41.23s 8,340 1,028 31,226

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