gemini-3.1-flash-lite-preview

completions

byopenrouter

gemini-3.1-flash-lite-preview

completions

Published by: googleProvider:

openrouter

Gemini 3.1 Flash Lite Preview is Google's high-efficiency model optimized for high-volume use cases. It outperforms Gemini 2.5 Flash Lite on overall quality and approaches Gemini 2.5 Flash performance across key capabilities. Improvements span audio input/ASR, RAG snippet ranking, translation, data extraction, and code completion. Supports full thinking levels (minimal, low, medium, high) for fine-grained cost/performance trade-offs. Priced at half the cost of Gemini 3 Flash.

Released

Mar 3, 2026

Knowledge

Jan 31, 2025

License

Proprietary

Context

1048576

Input

$0.25 / 1M tokens

Output

$1.5 / 1M tokens

Capabilities: tools, reasoning

Accepts: text, image

Returns: text

Released Mar 3, 2026Knowledge Cutoff: Jan 31, 2025License: Proprietary

Context: 1048576 Input: $0.25 / 1M tokensOutput: $1.5 / 1M tokensCapabilities: tools, reasoningAccepts: text, imageReturns: text

Access gemini-3.1-flash-lite-preview through LangDB AI Gateway

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Benchmark Results for gemini-3.1-flash-lite-preview

Category Performance Scores:

Science: Score 72.12 (Top 35% - Rank #122)
Writing: Score 66.57 (Top 20% - Rank #70)
Academia: Score 59.02 (Top 22% - Rank #77)
Marketing: Score 67.10 (Top 15% - Rank #53)
Programming: Score 30.10 (Top 31% - Rank #108)

Overall Performance: 58.984212121212124 average score across all categories

Detailed Benchmark Scores:

Benchmark	Score	Percentile	Domain
HLE	16.20	Top 22%	General Knowledge
GPQA	84.55	Top 14%	STEM (Physics, Chemistry, Biology)
SciCode	41.90	Top 17%	Scientific
AA Coding Index	30.10	Top 31%	Programming
AAII	33.50	Top 25%	General

GPQA Score: 84.55 - Graduate-level reasoning benchmark

Model Comparison:

Provider: openrouter

Model Type: completions

Context Size: 1048576 tokens

Comparing against 348 models in the database

Category Scores

Benchmark Tests

View Other Benchmarks

HLE

16.2

General Knowledge

GPQA

84.5

STEM (Physics, Chemistry, Biology)

SciCode

41.9

Scientific

AA Coding Index

30.1

Programming

AAII

33.5

General

Metric	HLE	GPQA	SciCode	AA Coding Index	AAII
Score	16.2	84.5	41.9	30.1	33.5

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Code Examples

Integration samples and API usage

Code Samples for gemini-3.1-flash-lite-preview

Python SDK Example:

from openai import OpenAI

client = OpenAI(
    base_url="https://api.us-east-1.langdb.ai/projects/<your_project_id>",
    api_key="<your_api_key>"
)

response = client.chat.completions.create(
    model="gemini-3.1-flash-lite-preview",
    messages=[
        {"role": "user", "content": "Hello, how are you?"}
    ]
)

print(response.choices[0].message.content)

TypeScript SDK Example:

import OpenAI from 'openai';

const client = new OpenAI({
    baseURL: "https://api.us-east-1.langdb.ai/projects/<your_project_id>",
    apiKey: "<your_api_key>"
});

const response = await client.chat.completions.create({
    model: "gemini-3.1-flash-lite-preview",
    messages: [
        { role: "user", content: "Hello, how are you?" }
    ]
});

console.log(response.choices[0].message.content);

cURL Example:

curl -X POST "https://api.us-east-1.langdb.ai/projects/<your_project_id>/v1/chat/completions" \
  -H "Authorization: Bearer <your_api_key>" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3.1-flash-lite-preview",
    "messages": [
        {"role": "user", "content": "Hello, how are you?"}
    ]
  }'

Model: gemini-3.1-flash-lite-preview

Provider: openrouter

API Endpoint: $https://api.us-east-1.langdb.ai

Create API Key

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gemini-3.1-flash-lite-preview by openrouter - AI Model Details, Pricing, and Performance Metrics

gemini-3.1-flash-lite-preview

gemini-3.1-flash-lite-preview

Access gemini-3.1-flash-lite-preview through LangDB AI Gateway

Category Scores

Benchmark Tests

Compare with Similar Models

Code Examples

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