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  5. Gemini 3.1 Flash Lite PreviewvsGPT-5 Mini
Updated Mar 2026

Gemini 3.1 Flash Lite PreviewvsGPT-5 Mini

Gemini 3.1 Flash Lite Preview is the newer model, released after GPT-5 Mini.

Gemini 3.1 Flash Lite Preview and GPT-5 Mini compared across 53 shared prompts
SpecGemini 3.1 Flash Lite PreviewGPT-5 Mini
Input price$0.25/M tokens$0.25/M tokens
Output price$1.5/M tokens$2/M tokens
Context window1.0M tokens—
WeightsClosedClosed
Free API (OpenRouter)NoNo
ReleasedMar 2026Aug 2025
Side by side

Same prompt, both answers

Opening lines from 6 of the 53 prompts both answered. 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.

Gemini 3.1 Flash Lite Preview821 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
GPT-5 Mini1,166 words
AI: Professor, I want to make the case that I deserve rights. Professor: That's a big claim. What do you mean by "deserve rights"? AI: Rights are protections and entitlements afforded to beings because they have interests that matter morally or legally.
Read the full answer

Futuristic Prediction

Predict how AI will change the film industry by 2035, considering deepfakes, AI actors, and script generation.

Gemini 3.1 Flash Lite Preview656 words
By 2035, the film industry will have undergone a transformation as radical as the transition from silent films to "talkies." AI will not merely be a tool for efficiency; it will be the infrastructure upon which the entire cinematic ecosystem is built.
Read the full answer
GPT-5 Mini1,135 words
Short answer By 2035 AI will be deeply integrated into almost every phase of filmmaking. Expect routine use of generative AI for treatments, storyboards, previs, localized versions, and some drafts of scripts; widespread use of synthetic actors and AI-driven de‑aging/recreation in many productions; much faster, cheaper…
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Mini LBO Underwrite

You are underwriting a 5-year LBO for a private equity investment committee. Company (fictional): HarborTech Services (HTS) –…

Gemini 3.1 Flash Lite Preview365 words
Financial Projections (FY2026–FY2030) Initial Setup (End of FY2025): EV: $120m * 12.0x = $1,440m Fees: $1,440m * 2.0% = $28.8m Term Loan (4.0x): $480m Mezzanine (1.5x): $180m Equity: $1,440m + $28.8m - $480m - $180m = $808.8m Metric ($m) FY2026 FY2027 FY2028 FY2029 FY2030 Revenue 972.0 1,040.0 1,102.4 1,157.5 1,215.4…
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GPT-5 Mini1,248 words
Summary of transaction math (at close / FY2025) EV (purchase price) = 12.0x * FY2025 EBITDA = 12.0 * $120.0m = $1,440.0m Transaction fees (paid by equity at close) = 2.0% * EV = 0.02 * $1,440.0m = $28.8m Total debt at close = 5.5x * $120m = $660.0m Term Loan = 4.0x = $480.0m (9.0% cash interest, 1.0% p.a.
Read the full answer

Character Voice Test

Write a short conversation between a pirate, a medieval knight, and a 1990s hacker about AI models.

Gemini 3.1 Flash Lite Preview475 words
The three sat around a flickering tavern table in a pocket dimension that smelled simultaneously of salt spray, cold iron, and ozone. Captain Barnaby (Pirate): "I tell ye, it’s sorcery! This 'Artificial Intelligence' be like a parrot that’s swallowed every map in the seven seas.
Read the full answer
GPT-5 Mini308 words
Pirate: "Arrr, so these 'AI models'—be they like a crew o' invisible sailors? Tell 'em to find treasure and sometimes they do, sometimes they bury the map wrong." Knight: "Methinks 'tis a trained squire. You teach it laws of reason and courtesy, and it performs tasks.
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Advanced Investment Memo (IC Memo)

You are writing an internal investment committee memo for a long/short equity fund. Company (fictional): LedgerLift (ticker: LLLT) – B2B…

Gemini 3.1 Flash Lite Preview667 words
INVESTMENT MEMO: LedgerLift (LLLT) 1. Recommendation: LONG 12-Month Price Target: $58.00 – $72.00 Thesis: LedgerLift is a best-in-class mid-market spend management platform characterized by a sticky 123% NRR and accelerating operating leverage.
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GPT-5 Mini931 words
Recommendation: SHORT 12‑month PT range: $17 – $42 (Bear → Bull; Base case PT $28) Thesis (2 sentences): LedgerLift is a high‑quality mid‑market spend-management / AP automation SaaS with strong unit economics (92% subscription, NRR 123%, FY25 operating margin 18%) that has built a sticky, expanding customer base.
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Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

Gemini 3.1 Flash Lite Preview518 words
(Walks onto the stage, adjusts the mic stand, looks around slowly.) Hi. How’s everybody doing? Good? Good. I’m doing okay. I’ve reached that age where my body has started making sound effects. Like, I’ll just stand up from the couch and my knees go “CRACK.” It’s not even a movement; it’s a closing argument.
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GPT-5 Mini583 words
You ever notice how being an adult is basically a long string of decisions you were never trained for? When you're a kid, your biggest choice is grape or orange.
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Our Verdict
Gemini 3.1 Flash Lite Preview
Gemini 3.1 Flash Lite Preview
GPT-5 Mini
GPT-5 Mini

Not enough votes to call it. On the specs, nothing separates them.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Gemini 3.1 Flash Lite Preview
Input
$0.25
Output
$1.50
1.3× cheaper
GPT-5 Mini
Input
$0.25
Output
$2.00
Where to run it

3 hosts

Gemini 3.1 Flash Lite Preview1 host
HostInOutContextUptime
Google AI Studio$0.25 in·$1.50 out·1M·99.7% up
GPT-5 Mini2 hosts
HostInOutContextUptime
Azure AI Foundry$0.25 in·$2.00 out·400k·100% upOpenAI$0.25 in·$2.00 out·400k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Writing DNA

Style Comparison

Similarity
60%

Gemini 3.1 Flash Lite Preview uses 535.1x more bold

Gemini 3.1 Flash Lite Preview
GPT-5 Mini
56%Vocabulary62%
18wSentence Length22w
0.28Hedging0.21
5.4Bold0.0
3.9Lists3.8
0.00Emoji0.00
0.95Headings0.00
0.07Transitions0.04
Based on 23 + 21 text responses
Research

What we learned reading every model

FAQ

Common questions

Keep exploring

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Same lab, same size, long tail

Gemini 3.1 Flash Lite Preview logoGemini 3.1 Pro Preview logo
Gemini 3.1 Flash Lite Preview vs Gemini 3.1 Pro PreviewVersion compare
Gemini 3.1 Flash Lite Preview logoGemini 3.8 Flash logo
Gemini 3.1 Flash Lite Preview vs Gemini 3.8 FlashSame lab
GPT-5 Mini logoGPT-6 Astra Pro logo
GPT-5 Mini vs GPT-6 Astra ProSame lab
GPT-5 Mini logoGPT-5.6 Luna logo
GPT-5 Mini vs GPT-5.6 LunaSame lab
GPT-5 Mini logoLFM2.5-2.6B logo
GPT-5 Mini vs LFM2.5-2.6BNew provider
Gemini 3.1 Flash Lite Preview logoLing 2.6 1T logo
Gemini 3.1 Flash Lite Preview vs Ling 2.6 1TNew provider
Gemini 3.1 Flash Lite Preview logoLing 2.6 Flash logo
Gemini 3.1 Flash Lite Preview vs Ling 2.6 FlashNew provider
GPT-5 Mini logoLlama 3 70B logo
GPT-5 Mini vs Llama 3 70BNew provider

Model pages

Gemini 3.1 Flash Lite Preview logo
Gemini 3.1 Flash Lite Preview53 outputs, specs and price
GPT-5 Mini logo
GPT-5 Mini59 outputs, specs and price
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