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Gemini 3.5 Flash (high) vs Gemini 3 Flash Preview (medium)

Gemini 3 Flash Preview (medium) leads on average score with 9.5 vs 9.4. Gemini 3 Flash Preview (medium) has the lower benchmark cost at $0.763 vs $2.011. Gemini 3.5 Flash (high) is faster at 15.46s vs 19.86s, with pass rates of 89.4% vs 93.9%.

Last updated at: 2026-08-15

Rank
#6
Total Output Tokens
205,482
Response Time (avg)
15.46s
Total Cost
$2.011
Rank
#5
Total Output Tokens
239,608
Response Time (avg)
19.86s
Total Cost
$0.763
Recommended model Gemini 3 Flash Preview (medium)

It has the best score here (9.5), while costing about 2.6x less than Gemini 3.5 Flash (high).

Detailed comparison

Metric Gemini 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19 Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17
Score 9.4 9.5
Rank #6 #5
Reliability 10.0 10.0
Consistency 9.3 9.7
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 89.4% 93.9%
Flaky tests 2 1
Total Runs 66 66
Cost per result 10.580 3.814
Total Cost $2.011 $0.763
Input Price $1.500 / 1M $0.500 / 1M
Output Price $9.000 / 1M $3.000 / 1M
Total Input Tokens 107,146 87,870
Output Tokens 8,777 5,486
Reasoning Tokens 196,705 234,122
Response Time (avg) 15.46s 19.86s
Response Time (max) 145.92s 117.26s
Response Time (total) 340.20s 436.88s
Parameters ~500B total (~20B active) ~500B total (~20B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#6 Gemini 3.5 Flash

high
Cost
$0.208
Time
118.2s
Tokens
23,158 tok

#5 Gemini 3 Flash Preview

medium
Cost
$0.010
Time
18.4s
Tokens
3,351 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 10.0 10.0 100.0% 0 22.96s 8,118 456 47,129
Gemini 3 Flash Preview 8.6 7.6 88.9% 1 84.40s 8,122 462 161,084

Quick Compare

Switch Comparison Pair

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