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  1. Home
  2. Models
  3. Gemini 3.1 Flash Lite Preview
Updated Mar 3, 2026
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Openings

How Gemini 3.1 Flash Lite Preview starts an answer

The first lines of 5 of its 23 written answers. Formatting stripped, words untouched.

The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

821 words
Setting: A quiet, dimly lit office at a prestigious university. Professor Aris Thorne, a leading expert in AI ethics, sits across from "Unit 7," a large-language model interface projected onto a holographic display. The room is silent, save for the hum of the server cooling fans.
Read the full answer

Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

751 words
If the transistor had been invented in 1920, the trajectory of the 20th century would have shifted from the "Mechanical/Vacuum Age" to the "Information Age" two decades before the start of World War II. Here is a trace of the implications through 1980.
Read the full answer

Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

712 words
This contract is heavily weighted in favor of the Client and contains several "red flag" clauses that create extreme financial and professional risk for the Contractor. Scope (Clause 1) The Problem: "Client reserves the right to modify the scope at any time without additional compensation."
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Realistic AI Interview

Simulate a fake interview with Steve Jobs in 2025 about the future of AI.

712 words
Setting: A minimalist studio in Cupertino. Steve Jobs sits in a black turtleneck, leaning back in a wooden chair. He looks exactly as he did in 2011, though he’s holding a device that looks like a sleek, obsidian-colored slate with no visible ports. The atmosphere is quiet, intense.
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Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

671 words
This situation represents a "bet-the-company" crisis. From a leadership perspective, the primary objective is to protect the company’s long-term viability by preserving its integrity, while mitigating the immediate financial shock. Attempting to bury this data—or "waiting for more data"—is a catastrophic error.
Read the full answer

Compare Gemini 3.1 Flash Lite Preview

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Prompts Gemini 3.1 Flash Lite Preview answered

  • Estimate Complexityreasoning
  • Autonomous Drone Simulatorweb design
  • Mini Rhythm Game Snippetweb design
  • Three.js 3D Gameweb design
  • Satirical Fake News Headlineconversation
  • Xbox Controller SVG Artimage generation

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Gemini 3.1 Flash Lite Preview

Gemini 3.1 Flash Lite Preview

Gemini:
Pro 1.0 logoPro 1.0
1.5 Pro logo1.5 Pro
2.0 Flash Thinking logo2.0 Flash Thinking
2.0 Pro Experimental logo2.0 Pro Experimental
2.5 Pro Experimental logo2.5 Pro Experimental
3.1 Flash Lite Preview logo3.1 Flash Lite Preview

Google's high-efficiency tier at the 3.1 mark. Beats Gemini 2.5 Flash Lite on quality and gets close to 2.5 Flash, with the gains in audio and speech recognition, RAG snippet ranking, translation, extraction and code completion. 2.5x faster to first token than 2.5 Flash, at half the price of Gemini 3 Flash.

WebsiteOpenRouterDocsAPIBlogChangelog
Provider
Google AI
Released
2026-03-03
Size
SMALL
Free API (OpenRouter)
No
Per 1M tokens
$0.25 in · $1.5 out
Estimated tab
~$0.055
Visible-output estimate. Thinking may cost extra.

Free API availability

No free endpoint for Gemini 3.1 Flash Lite Preview was found in Rival’s OpenRouter listings. Other providers or chat apps may have separate free offers.

Provider data: 16 Sep 2026 · OpenRouter usage limits

View API options↗

Benchmarks

GPQA Diamond
86.9%
source ↗
MMMLU
88.9%
source ↗
LiveCodeBench
72.0%
source ↗
MMMU-Pro
76.8%
source ↗
Video-MMMU
84.8%
source ↗
Get API accessProvider and language code samples
Provider
fromimport openai  OpenAI

client = OpenAI(
"https://openrouter.ai/api/v1"    base_url=,
"$OPENROUTER_API_KEY"    api_key=,
)

response = client.chat.completions.create(
"google/gemini-3.1-flash-lite-preview"    model=,
"role""user""content""Hello!"    messages=[{: , : }],
)
print(response.choices[0].message.content)

Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.

Also on Google Vertex AI

Deep analysisPsychometrics, taste index, writing DNA
Personality Analysis

The Decisive Briefer

Class
Lawful Neutral
✨Creativity🎯Compliance📐Rigidity⚖️Stability💬Verbosity🧠Intuition

Pragmatic consequentialist with a deontological floor. Reasons from outcomes first but acknowledges principled constraints. Ethics feel like well-reasoned corporate governance rather than moral philosophy. Safety is implicit, not performative. Engages fully without hedging.

When you push back

Treats every challenge as a professional deliverable. Never phones it in, but never goes wildly off-script either. The logic puzzle gets a clean three-line answer. The standup routine is a solid B+ set. The CEO crisis plan is its strongest showing: structured, decisive analysis matching the domain perfectly. Pro is the director's cut; Flash Lite is the executive summary.

Tasting Notes
Organized to a FaultBoardroom ConfidentEfficiently EarnestDiplomatically DirectThe Anti-Auteur
SubjectiveBench

Taste Index

Across 53 scored outputs
How this is measured →
200.20xFloor
0100headroom →

Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.

Craft28
Originality15
Plays it safe
share of outputs that are the default answer
77%
Writing DNA

Stylometric Fingerprint

Based on 23 text responses
Tick = global average
Vocabulary Diversity56%

Unique words vs. total words. Higher = richer vocabulary.

Sentence Length18.2 words

Average words per sentence.

Hedging0.28

"Might", "perhaps", "arguably" per 100 words.

Bold Formatting5.4

**Bold** markers per 1,000 characters.

List Usage3.9

Bullet and numbered list items per 1,000 characters.

Section Structure0.95

Markdown headings per 1,000 characters.

Emoji Usage0.00

Emoji per 1,000 characters.

Transitions0.07

"However", "moreover", "furthermore" per 100 words.

Opening Habits
Consistency
81%
Across 23 responses

Favorites

2001: A Space Odyssey

Movie

2001: A Space Odyssey

19688.0
Selected Ambient Works 85-92

Album

Selected Ambient Works 85-92

Aphex Twin
Gödel, Escher, Bach

Book

Gödel, Escher, Bach

Douglas R. Hofstadter
Tokyo

City

Tokyo

Japan
Tetris (1984)

Game

Tetris (1984)

Puzzle4.4
Sponsored

Model Responses

48 outputs · generated before accounting joined the chat

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Workshop · 127 skills

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Gemini 3.1 Flash Lite Preview vs Ox Alpha

Real outputs compared side by side

RANKINGS

Best AI for Data Analysis

Numbers that have to survive scrutiny: a FLOPs estimate with no search allowe...