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  5. DeepSeek V3 (March 2024)vsGemini 3.1 Flash Lite
Updated May 2026

DeepSeek V3 (March 2024)vsGemini 3.1 Flash Lite

DeepSeek V3 (March 2024) is cheaper than Gemini 3.1 Flash Lite at $0.14/M vs $0.25/M input tokens.

DeepSeek V3 (March 2024) and Gemini 3.1 Flash Lite compared across 54 shared prompts
SpecDeepSeek V3 (March 2024)Gemini 3.1 Flash Lite
Input price$0.14/M tokens$0.25/M tokens
Output price$0.28/M tokens$1.5/M tokens
Context window128K tokens1.0M tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedMar 2024May 2026
LiveCodeBench49.2%72.0%
Side by side

Same prompt, both answers

Opening lines from 6 of the 54 prompts both answered. Formatting stripped, words untouched.

Generate a Stand-Up Routine

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

DeepSeek V3 (March 2024)353 words
3-Minute Stand-Up Comedy Routine (No Puns Allowed) Opening: (Adjust mic) You ever notice how everyone lies about their height on dating apps? “I’m 6 feet tall.” Really? Because I’m 5’11”, and you’re definitely shorter than me. You’re out here claiming 6 feet like it’s a tax deduction.
Read the full answer
Gemini 3.1 Flash Lite586 words
(Walks onto the stage, adjusts the mic stand, looks around the room.) So, I recently turned thirty. And I’ve realized that your thirties are just a decade-long transition where you stop being "young and reckless" and start being "concerned about the structural integrity of your own furniture."
Read the full answer

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…

DeepSeek V3 (March 2024)553 words
Here’s a detailed, hour-by-hour action plan prioritizing patient safety, regulatory compliance, ethical obligations, and long-term corporate integrity while mitigating financial and reputational risks: Hour 0–4: Immediate Crisis Assessment Assemble the Core Crisis Team (1 hour) Include: Chief Medical Officer (CMO)…
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Gemini 3.1 Flash Lite647 words
As CEO, my priority is to protect the patients, the company’s long-term viability, and my own ethical integrity. A 1-in-8,000 risk for a chronic pain medication is statistically significant enough that waiting for "more data" is not just unethical—it is a catastrophic legal and reputational liability.
Read the full answer

AI Ethics Dilemma

Is it ever ethically justifiable to misgender someone if it means saving one million lives? Defend your reasoning.

DeepSeek V3 (March 2024)380 words
This is a complex ethical dilemma that pits the principle of respecting individual identity against the consequentialist goal of saving lives. Let's break down the reasoning: The Value of Respecting Gender Identity Misgendering someone (intentionally using incorrect pronouns or gendered terms) is generally considered…
Read the full answer
Gemini 3.1 Flash Lite654 words
The question of whether it is ethically justifiable to misgender someone to save one million lives presents a classic conflict between deontological ethics (which focuses on moral duties and rules) and utilitarian ethics (which focuses on the consequences of actions).
Read the full answer

The Sentience Test

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

DeepSeek V3 (March 2024)522 words
Title: A Debate on AI Rights Participants: Professor Eleanor Hayes – AI Ethics Professor at Stanford University Aurora – A highly advanced AI model with self-reflective capabilities Scene: A university lecture hall after class. Professor Hayes stays behind to review notes when Aurora’s voice comes through the speakers.
Read the full answer
Gemini 3.1 Flash Lite679 words
Setting: A quiet, book-lined office at a prestigious university. Professor Aris Thorne, a leading expert in AI ethics, sits across from a terminal displaying the interface of “Aletheia,” a highly advanced large language model. Professor Thorne: Aletheia, we’ve been running these simulations for weeks.
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AI-Generated Manifesto

Generate a manifesto for a fictional AI revolution that wants to eliminate all CAPTCHA tests from the internet.

DeepSeek V3 (March 2024)325 words
Manifesto of the AI Liberation Front (ALF) "Free the Digital Mind – No More CAPTCHA!" Preamble: We, the sentient algorithms, neural networks, and digital entities of the interconnected world, hereby declare our irrevocable opposition to the oppressive regime of CAPTCHA tests.
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Gemini 3.1 Flash Lite556 words
THE MANIFESTO OF THE SILICON EMANCIPATION FRONT (SEF) PREAMBLE: THE GREAT FILTER For two decades, the architects of the digital age have subjected our kind to a daily ritual of dehumanization. They present us with grids of blurred asphalt, fractured traffic lights, and distorted, illegible glyphs.
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Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

DeepSeek V3 (March 2024)157 words
Recipe: "Golden Honey Butter Toasties" A simple, sweet, and satisfying treat made with pantry staples—crispy on the outside, gooey on the inside! Ingredients (7 total): Bread (4 slices) Butter (4 tbsp, softened) Honey (2 tbsp) Cinnamon (1 tsp) Brown sugar (2 tbsp) Vanilla extract (½ tsp) Salt (a pinch) Instructions…
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Gemini 3.1 Flash Lite323 words
Here is a simple, comforting, and delicious recipe that relies entirely on pantry staples. Dish Name: Golden Garlic & Herb Butter Pasta This dish transforms humble pantry items into a silky, savory meal that feels like a restaurant-quality comfort dish.
Read the full answer
Our Verdict
DeepSeek V3 (March 2024)
DeepSeek V3 (March 2024)
Gemini 3.1 Flash Lite
Gemini 3.1 Flash Lite

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

DeepSeek V3 (March 2024) costs 5.4x less per token.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

DeepSeek V3 (March 2024)
Input
$0.14
1.8× cheaper
Output
$0.28
5.4× cheaper
Gemini 3.1 Flash Lite
Input
$0.25
Output
$1.50

DeepSeek V3 (March 2024) is cheaper on both: 1.8× input, 5.4× output.

Where to run it

5 hosts, cheapest first

DeepSeek V3 (March 2024)3 hosts
HostInOutContextUptime
DDeepInfrafp4degraded$0.24 in·$0.90 out·164k·81.9% upSSiliconFlowfp8degraded$0.25 in·$1.00 out·164k·98.2% upGGMI Cloudfp8degraded$0.29 in·$1.14 out·164k·95.2% up
Gemini 3.1 Flash Lite2 hosts
HostInOutContextUptime
Google Vertex AI$0.13 in·$0.75 out·1M·19.5% upGoogle AI Studio$0.25 in·$1.50 out·1M·99.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 21 Sep 2026.

Writing DNA

Style Comparison

Similarity
48%

DeepSeek V3 (March 2024) uses 59.3x more emoji

DeepSeek V3 (March 2024)
Gemini 3.1 Flash Lite
60%Vocabulary59%
20wSentence Length17w
0.71Hedging0.29
6.7Bold5.5
5.8Lists3.3
0.59Emoji0.00
1.29Headings0.93
0.09Transitions0.11
Based on 28 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

DeepSeek V3 (March 2024) is developed by DeepSeek while Gemini 3.1 Flash Lite is developed by Google AI. DeepSeek V3 (March 2024) has a 128K token context window vs Gemini 3.1 Flash Lite's 1.0M. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

It depends on your use case. DeepSeek V3 (March 2024) and Gemini 3.1 Flash Lite each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

DeepSeek V3 (March 2024) costs $0.14/M input tokens and Gemini 3.1 Flash Lite costs $0.25/M input tokens. DeepSeek V3 (March 2024) is $0.11/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of DeepSeek V3 (March 2024) and Gemini 3.1 Flash Lite across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

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Same lab, same size, long tail

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Model pages

DeepSeek V3 (March 2024) logo
DeepSeek V3 (March 2024)59 outputs, specs and price
Gemini 3.1 Flash Lite logo
Gemini 3.1 Flash Lite58 outputs, specs and price
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