AI BENCHY
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#40

Gemini 3.1 Flash Lite Preview

Google Release: 2026-03-03 Tested on: 2026-06-04 14:00 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 7.5 on AI BENCHY and ranks #40. It has 10.0 reliability, a 61.9% pass rate, $0.068 total cost, and 3.96s average response time.

What makes Gemini 3.1 Flash Lite Preview unique: It stands out most in General Intelligence, where it ranks #1, while Coding is its weakest area at #18. 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

7.5

Consistency

10.0

Reliability

10.0

Total Cost (Current Price)

$0.068

Total Output Tokens

38,954

Total Input Tokens

37,786

Input Price

$0.250 / 1M

Output Price

$1.500 / 1M

Tests Correct

Wrong Tests: 8

Attempt pass rate: 61.9%

Flaky tests

0

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

Response Time (avg)

3.96s

Response Time (max): 14.93s

Response Time (total): 83.06s

Wrong answer: 7 Did not follow instructions: 1

Hamster playing table tennis

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

#40 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 Compare
2026-06-04 14:00 New test added 7.5 10.0 $0.068 Current run
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.

Run comparison

RunBenchmark coverageScoreConsistencyReliabilityTests CorrectFlaky testsTotal Output TokensTotal Input TokensTotal CostResponse Time (avg)
2026-06-04 14:00 · New test added63/63 attempts7.510.010.013/21038,95437,786$0.0683.96s
2026-08-14 02:44 · Re-test66/66 attempts7.49.910.014/22057,778117,493$0.1174.59s
Difference—+0.1+0.10.0-10-18824-79707-$0.049-638ms

Benchmark coverage differs: 63/63 attempts (Target: 3 repeats per test) versus 66/66 attempts (Target: 3 repeats per test). Totals and repeat-sensitive metrics are not directly comparable.

These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price
2026-06-04 14:42 $0.250 / 1M $1.500 / 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
Anti-AI Tricks 9.1 10.0
Coding 5.5 10.0
Combined 10.0 10.0
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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