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#176

Gemini 3.1 Flash Lite

Google Release: 2026-05-08 Tested on: 2026-08-14 02:43 google/gemini-3.1-flash-lite::low
~150B total (~10B active)MoEClosedEstimated

Summary

Gemini 3.1 Flash Lite scores 6.6 on AI BENCHY and ranks #176. It has 10.0 reliability, a 63.6% pass rate, $0.621 total cost, and 16.25s average response time.

Identity note

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

Score

6.6

Consistency

9.2

Total Output Tokens

397,891

Total Input Tokens

94,233

Input Price

$0.250 / 1M

Output Price

$1.500 / 1M

Tests Correct

Wrong Tests: 9

Attempt pass rate: 63.6%

Flaky tests

2

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

Response Time (avg)

16.25s

Response Time (max): 318.02s

Response Time (total): 357.39s

Hamster playing table tennis

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

#176 Gemini 3.1 Flash Lite

low
Cost
$0.003
Time
4.0s
Tokens
1,479 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-08-14 02:43 Re-test 6.6 10.0 $0.621 Current run
2026-07-16 23:07 New test added 6.5 10.0 $0.621 Compare
2026-06-04 14:00 New test added 7.2 10.0 $0.028 Compare
2026-05-22 00:26 Suite changed 7.4 10.0 $0.026 Compare
2026-05-08 12:01 Initial run 7.9 10.0 $0.024 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)
2026-08-14 02:43 · Current run66/66 attempts6.69.210.013/222397,89194,233$0.62116.25s
2026-05-08 12:01 · Initial run54/54 attempts7.99.210.012/18210,8690$0.0241.95s
Difference-1.30.00.0+10+387022+94233+$0.597+14299ms

Benchmark coverage differs: 66/66 attempts (Target: 3 repeats per test) versus 54/54 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
2026-08-14 12:51 $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

Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 7.3 6.2
Coding 5.5 10.0
Combined 3.2 9.1
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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