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#60

Gemini 3.1 Flash Lite Preview

Google Release: 2026-03-03 Tested on: 2026-07-16 22:53 google/gemini-3.1-flash-lite-preview::medium
~150B total (~10B active)MoEClosedEstimated
(high) (medium) (low) (none)

Summary

Gemini 3.1 Flash Lite Preview scores 7.3 on AI BENCHY and ranks #60. It has 10.0 reliability, a 59.1% pass rate, $0.115 total cost, and 4.61s average response time.

What makes Gemini 3.1 Flash Lite Preview unique: Its total benchmark cost is unusually low for its score range. It is notably fast compared with similar models.

Identity note

Gemini 3.1 Flash Lite Preview was the preview version of Google: Gemini 3.1 Flash Lite.

Model facts

Researched on 2026-08-12

Estimated
Parameters
~150B total (~10B active)
Architecture
MoE
Availability
Closed
License
-

Best estimate from public evidence; the vendor did not disclose every value. Google does not disclose parameter counts.

Parameter source Availability source

Score

7.3

Consistency

9.9

Reliability

10.0

Total Cost (Current Price)

$0.115

Total Output Tokens

56,983

Total Input Tokens

117,480

Input Price

$0.250 / 1M

Output Price

$1.500 / 1M

Cache Read Price

N/A

Cache Write Price

N/A

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Tests Correct

Wrong Tests: 9

Attempt pass rate: 59.1%

Flaky tests

0

Flaky tests had mixed outcomes across runs (at least one pass and one fail).

Response Time (avg)

4.61s

Response Time (max): 18.34s

Response Time (total): 101.39s

Wrong answer: 7 Did not follow instructions: 1 Invalid tool call: 1

Hamster playing table tennis

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

#60 Gemini 3.1 Flash Lite Preview

medium
Cost
$0.003
Time
5.2s
Tokens
1,944 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-08-14 02:44 Re-test 7.4 10.0 $0.117 Compare
2026-07-16 22:53 New test added 7.3 10.0 $0.115 Current run
2026-06-04 14:00 New test added 7.5 10.0 $0.068 Compare
2026-05-22 00:28 Suite changed 7.7 10.0 $0.063 Compare
2026-04-11 01:44 First recorded run 8.2 N/A $0.055 Compare

This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price Cache Read Price Cache Write Price
2026-06-04 15:40 $0.250 / 1M $1.500 / 1M N/A N/A

Charts

Choose the first model, then click a second model to open a side-by-side page.

Total Output Tokens

Score vs Total Output Tokens

Quick Compare

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Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 9.1 10.0
Coding 5.5 10.0
Combined 7.2 9.1
Data parsing and extraction 10.0 10.0
Domain specific 3.0 10.0
General Intelligence 10.0 10.0
Instructions following 10.0 10.0
Puzzle Solving 7.7 10.0
Tool Calling 10.0 10.0
Trivia 3.0 10.0

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