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#244

Gemini 3.1 Flash Lite Preview

Google Release: 2026-03-03 Tested on: 2026-10-01 02:19 google/gemini-3.1-flash-lite-preview::low
~150B total (~10B active)MoEClosedEstimated
(high) (medium) (low) (none)

Summary

Gemini 3.1 Flash Lite Preview scores 6.3 on AI BENCHY and ranks #244. It has 10.0 reliability, a 60.9% pass rate, $0.736 total cost, and 19.04s average response time.

What makes Gemini 3.1 Flash Lite Preview unique: It stands out most in Puzzle Solving, where it ranks #1, while Combined is its weakest area at #15.

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

6.3

Consistency

10.0

Reliability

10.0

Total Cost (Current Price)

$0.736

Total Output Tokens

438,891

Total Input Tokens

309,715

Input Price

$0.250 / 1M

Output Price

$1.500 / 1M

Cache Read Price

$0.025 / 1M

Cache Write Price

$0.084 / 1M

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: 60.9%

Flaky tests

0

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

Response Time (avg)

19.04s

Response Time (max): 309.35s

Response Time (total): 437.98s

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.

#244 Gemini 3.1 Flash Lite Preview

low
Cost
$0.002
Time
3.7s
Tokens
1,203 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-10-01 02:19 Re-test 6.3 10.0 $0.736 Current run
2026-07-16 23:07 New test added 6.5 10.0 $0.646 Compare
2026-06-04 14:00 New test added 7.4 10.0 $0.026 Compare
2026-05-22 00:27 Suite changed 7.6 10.0 $0.025 Compare
2026-04-11 01:44 First recorded run 8.1 N/A $0.022 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
2026-08-14 12:51 $0.250 / 1M $1.500 / 1M N/A N/A
2026-10-01 18:33 $0.250 / 1M $1.500 / 1M $0.025 / 1M $0.084 / 1M

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
Agentic 5.0 10.0
Anti-AI Tricks 8.3 10.0
Coding 5.5 10.0
Combined 3.0 10.0
Data parsing and extraction 10.0 10.0
Domain specific 7.7 10.0
General Intelligence 4.0 10.0
Instructions following 10.0 10.0
Puzzle Solving 10.0 10.0
Tool Calling 10.0 10.0
Trivia 3.0 10.0

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