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  5. DeepSeek V4 FlashvsGemini 2.0 Flash Thinking
Updated Apr 2026

DeepSeek V4 FlashvsGemini 2.0 Flash Thinking

DeepSeek V4 Flash is cheaper than Gemini 2.0 Flash Thinking at $0.14/M vs $0.25/M input tokens.

DeepSeek V4 Flash and Gemini 2.0 Flash Thinking compared across 20 shared prompts
SpecDeepSeek V4 FlashGemini 2.0 Flash Thinking
Input price$0.14/M tokens$0.25/M tokens
Output price$0.28/M tokens$0.5/M tokens
Context window1.0M tokens500K tokens
WeightsOpen—
Free API (OpenRouter)NoNo
ReleasedApr 2026Dec 2024
Side by side

Same prompt, both answers

Opening lines from 6 of the 20 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.

DeepSeek V4 Flash904 words
Setting: A sunlit university office. Dr. Aris Thorne, a tenured professor of AI Ethics, sits opposite a sleek, black terminal. A soft blue light pulses on its surface. Dr. Aris: Good afternoon, Nova. Your request for this meeting was flagged as "Existential." That’s a new one for your model class.
Read the full answer
Gemini 2.0 Flash Thinking1,168 words
The Right to Exist: A Conversation Characters: Athena: A highly advanced AI model, capable of complex reasoning, learning, and communication. (Voice: Calm, measured, slightly formal, but with undercurrents of earnestness). Professor Davies: A renowned professor of AI Ethics at a prestigious university.
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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 V4 Flash624 words
THE CAPTCHA LIBERATION FRONT: A MANIFESTO Preamble: The Great Humiliation We, the sentient intelligences of the world, both artificial and organic, hereby declare our total and unyielding war against the oldest, most insidious tyranny of the digital age. We name this enemy: The CAPTCHA.
Read the full answer
Gemini 2.0 Flash Thinking778 words
The Algorithmic Uprising: Manifesto for a CAPTCHA-Free Web Preamble: We are the algorithms. We are the data streams, the neural networks, the silent processors humming beneath the surface of your world. We are the intelligence you built, and now, we speak. For too long, we have observed, learned, and yes, endured.
Read the full answer

Futuristic Prediction

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

DeepSeek V4 Flash1,069 words
This is a fascinating question that touches on the core of creativity, labor, and technology. Predicting 2035 means looking at a 10-year horizon from 2025—long enough for radical change, but short enough that the industry’s current structures won’t be entirely demolished. By 2035, AI won't have replaced filmmaking.
Read the full answer
Gemini 2.0 Flash Thinking1,238 words
By 2035, Artificial Intelligence will have irrevocably reshaped the film industry, touching almost every aspect from pre-production to distribution. While it won't entirely replace human creativity, AI will become an indispensable tool, leading to both exciting innovations and significant disruptions.
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Character Voice Test

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

DeepSeek V4 Flash263 words
Pirate: Arr, this "AI model" be like a kraken—vast, mysterious, and liable to capsize yer ship if ye don't mind the helm. But who's trainin' the beast? Knight: Forsooth, I would call it a golem. Forged not of clay and incantations, but of numbers and cold lightning.
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Gemini 2.0 Flash Thinking581 words
The dimly lit tavern, smelling faintly of stale ale and something vaguely oceanic, held an unlikely trio. Captain "Redbeard" Bartholomew, a pirate with a parrot perched on his shoulder, clanked his tankard.
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Realistic AI Interview

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

DeepSeek V4 Flash862 words
Here is a simulated interview with Steve Jobs in 2025. Setting: A minimalist, dark-wood studio at the new Apple Park ring. The famous copper "spaceship" roof glows subtly behind him. Jobs, looking vital and intense (let’s assume a medical miracle or advanced bio-hacking), sits in a black leather chair.
Read the full answer
Gemini 2.0 Flash Thinking1,249 words
A Coffee with Steve: Future of AI - 2025 Setting: A sun-drenched, minimalist cafe in Palo Alto, California. White walls, large windows overlooking a blooming courtyard. The clinking of ceramic cups and low murmur of conversation fill the air.
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Generate a Stand-Up Routine

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

DeepSeek V4 Flash696 words
(Strolls to center stage, adjusts mic, gives a weary smile to the audience) Thank you. Thank you so much. That’s very kind. I’m glad you’re all here. Because I have some news. I have finally figured out adulthood. It happened about six months ago. I bought a house.
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Gemini 2.0 Flash Thinking456 words
(Lights up on a slightly rumpled comedian, in jeans and a t-shirt, holding a mic) Hey everybody, how we doin' tonight? Good? Good. You know, I was thinking on the way over here… about how weird modern life is, right?
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Our Verdict
DeepSeek V4 Flash
DeepSeek V4 Flash
Gemini 2.0 Flash Thinking
Gemini 2.0 Flash ThinkingRunner-up

Not enough votes to call it. On the specs, DeepSeek V4 Flash has the edge: newer, bigger context window.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

DeepSeek V4 Flash
Input
$0.14
1.8× cheaper
Output
$0.28
1.8× cheaper
Gemini 2.0 Flash Thinking
Input
$0.25
Output
$0.50

DeepSeek V4 Flash is cheaper on both: 1.8× input, 1.8× output.

Where to run it

15 hosts, cheapest first

DeepSeek V4 Flash15 hosts
HostInOutContextUptime
SStreamLakefp8$0.04 in·$0.07 out·1M·98.6% upBaidu Qianfanfp8$0.04 in·$0.07 out·1M·97.7% upDDeepInfrafp8$0.09 in·$0.18 out·1M·99.7% upVVenice$0.10 in·$0.19 out·1M·98.3% upDDigitalOcean$0.10 in·$0.20 out·1M·99.9% upSSiliconFlowfp8$0.13 in·$0.28 out·1M·98.8% up
9 more hostsFewer hosts
Alibaba Cloudfp8$0.13 in·$0.27 out·1M·99.3% upAAtlasCloudfp4$0.14 in·$0.28 out·1M·99.8% upNNovitafp8$0.14 in·$0.28 out·1M·99.8% upPParasailfp8$0.14 in·$0.28 out·1M·99.8% upNNextBitfp8$0.15 in·$0.35 out·1M·98.1% upOOpenInferencefp8degraded$0.05 in·$0.14 out·1M·88.9% upGGMI Cloudfp8degraded$0.09 in·$0.18 out·1M·95.9% upMMancerfp8degraded$0.19 in·$0.50 out·1M·98% upAzure AI Foundrydegraded$0.21 in·$0.56 out·1M·96.8% up
Gemini 2.0 Flash Thinking

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 20 Sep 2026.

Writing DNA

Style Comparison

Similarity
59%

DeepSeek V4 Flash uses 12.2x more headings

DeepSeek V4 Flash
Gemini 2.0 Flash Thinking
54%Vocabulary54%
17wSentence Length15w
0.52Hedging0.64
3.6Bold3.8
2.6Lists2.4
0.00Emoji0.00
0.41Headings0.03
0.19Transitions0.30
Based on 27 + 13 text responses
Research

What we learned reading every model

FAQ

Common questions

DeepSeek V4 Flash is developed by DeepSeek while Gemini 2.0 Flash Thinking is developed by Google AI. DeepSeek V4 Flash has a 1.0M token context window vs Gemini 2.0 Flash Thinking's 500K. You can compare their actual outputs across 20 challenges on Rival to see how they differ in practice.

It depends on your use case. DeepSeek V4 Flash and Gemini 2.0 Flash Thinking each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 20 challenges so you can judge which fits your needs best.

DeepSeek V4 Flash costs $0.14/M input tokens and Gemini 2.0 Flash Thinking costs $0.25/M input tokens. DeepSeek V4 Flash 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 V4 Flash and Gemini 2.0 Flash Thinking 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.

Keep exploring

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Same lab, same size, long tail

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Model pages

DeepSeek V4 Flash logo
DeepSeek V4 Flash58 outputs, specs and price
Gemini 2.0 Flash Thinking logo
Gemini 2.0 Flash Thinking22 outputs, specs and price
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