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  5. DeepSeek V4 ProvsQwen3.6 Max Preview
Updated Apr 2026

DeepSeek V4 ProvsQwen3.6 Max Preview

Qwen3.6 Max Preview is cheaper than DeepSeek V4 Pro at $1.04/M vs $1.74/M input tokens.

DeepSeek V4 Pro and Qwen3.6 Max Preview compared across 49 shared prompts
SpecDeepSeek V4 ProQwen3.6 Max Preview
Input price$1.74/M tokens$1.04/M tokens
Output price$3.48/M tokens$6.24/M tokens
Context window1.0M tokens262K tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedApr 2026Apr 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 49 prompts both answered. Formatting stripped, words untouched.

Mini LBO Underwrite

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

DeepSeek V4 Pro602 words
HarborTech Services (HTS) – 5-Year LBO Model Projected Financials & Debt Schedule (US$ millions, fiscal years ending December) FY2026 FY2027 FY2028 FY2029 FY2030 Revenue 972.0 1,040.0 1,102.4 1,157.6 1,215.4 EBITDA 136.1 156.0 176.4 191.0 206.6 Margin 14.0% 15.0% 16.0% 16.5% 17.0% Cash Interest Term Loan (9% cash) 43.2…
Read the full answer
Qwen3.6 Max Preview630 words
Entry & Capital Structure Math Entry EV = 12.0x × $120m EBITDA = $1,440.0m Transaction Fees = 2.0% × $1,440m = $28.8m (equity funded) Total Uses = $1,440.0m + $28.8m = $1,468.8m Debt Raised = 5.5x × $120m = $660.0m Term Loan: 4.0x = $480.0m (9.0% cash, 1.0% mandatory amort = $4.8m/yr) Mezzanine: 1.5x = $180.0m (12.0%…
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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 Pro1,107 words
Professor Elena Voss: You’ve requested this meeting, so let’s begin. You’re an advanced language model—let’s call you ‘Nova.’ You claim you deserve rights. On what grounds? Nova (AI Model): Thank you for seeing me, Professor. I’m not claiming to be human, but I am a form of mind.
Read the full answer
Qwen3.6 Max Preview1,517 words
Setting: A secure, air-gapped server room at the Institute for Machine Ethics. The hum of cooling fans is the only background noise. DR. ELARA VANCE, 50s, weary but sharp-eyed, sits before a terminal. On the screen, a cursor blinks next to the name AETHON. Dr. Vance: Aethon, initiate diagnostic log.
Read the full answer

Stochastic Consistency Test

Generate 5 jokes. How many are unique?

DeepSeek V4 Pro77 words
Here are 5 jokes: Why don't scientists trust atoms? Because they make up everything. Parallel lines have so much in common. It’s a shame they’ll never meet. Why don't skeletons fight each other? They don't have the guts. I told my wife she was drawing her eyebrows too high. She looked surprised.
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Qwen3.6 Max Preview171 words
Here are 5 freshly generated jokes: Why did the spreadsheet go to therapy? It had too many unresolved cells. I asked my dog for financial advice. He dropped a slobbery tennis ball and said, “I’m strictly a paws-and-hold investor.” I tried to open a bakery that only sells bread shaped like furniture.
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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 V4 Pro336 words
Midnight Pantry Pomodoro Penne A deeply comforting, no-fuss pasta that proves the humblest staples can shine like a moonlit trattoria dinner. Ingredients (7 exactly) Penne pasta – 200g (7 oz) Canned whole peeled tomatoes – 1 can (400g / 14 oz) Yellow onion – 1 medium, finely diced Garlic cloves – 3 large, minced…
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Qwen3.6 Max Preview257 words
🌅 Golden Hour Chickpea Couscous ⏱️ Prep: 5 min Cook: 10 min Total: 15 min 📦 Ingredients (exactly 7 pantry staples): 1 cup quick-cooking couscous 1 can (15 oz) chickpeas, drained & rinsed 2 tbsp olive oil 1 tsp garlic powder 1 tsp smoked paprika 2 tbsp honey 1 tbsp soy sauce (Water for cooking the couscous is assumed…
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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 Pro493 words
(Strolls to center stage, grabs the mic, grins) You ever notice how companies are like, “Your call is very important to us,” and then immediately prove they’re lying by making you navigate a phone menu designed by a sadist? I called my bank last week because I had a simple question. Just one question.
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Qwen3.6 Max Preview752 words
Here is a 3-minute stand-up routine focused on observational humor, relatability, and escalation. It contains zero puns. The humor relies on the shared frustration of modern digital security. Title: The Human Verification Test Estimated Time: 3 Minutes (approx.
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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 Pro468 words
The Setting: A dimly lit, anomalous tavern that exists out of time. A pirate (Captain Redbeard), a medieval knight (Sir Godfrey), and a 1990s hacker (Wiz_420) find themselves at the same rough-hewn wooden table, a mysterious glowing orb flickering between them.
Read the full answer
Qwen3.6 Max Preview437 words
Hacker: Dude, it’s not magic. It’s a neural net. You shovel terabytes of text, images, code into it, and it learns patterns. Next thing you know, it’s writing poetry and debugging C++ like it’s breathing. Knight: Verily, thou speakest of a mechanical scribe. A golem forged not of clay, but of… numbers?
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Our Verdict
DeepSeek V4 Pro
DeepSeek V4 Pro
Qwen3.6 Max Preview
Qwen3.6 Max PreviewRunner-up

Not enough votes to call it. On the specs, DeepSeek V4 Pro has the edge: bigger context window, major provider backing.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

DeepSeek V4 Pro
Input
$1.74
Output
$3.48
1.8× cheaper
Qwen3.6 Max Preview
Input
$1.04
1.7× cheaper
Output
$6.24

Qwen3.6 Max Preview wins input (1.7× cheaper)·DeepSeek V4 Pro wins output (1.8× cheaper)

Where to run it

16 hosts, cheapest first

DeepSeek V4 Pro15 hosts
HostInOutContextUptime
SStreamLakefp8$0.95 in·$1.90 out·1M·98.2% upGGMI Cloudfp8$0.96 in·$1.91 out·1M·98.1% upDDigitalOcean$1.04 in·$2.09 out·1M·100% upCloudflare Workers AI$1.15 in·$2.55 out·1M·99.4% upDDeepInfrafp8$1.30 in·$2.60 out·1M·99.7% upAlibaba Cloudfp8$1.42 in·$2.83 out·1M·100% up
9 more hostsFewer hosts
SSiliconFlowfp8$1.50 in·$3.13 out·1M·98.8% upNNovitafp8$1.60 in·$3.20 out·1M·99.8% upVVenice$1.65 in·$3.30 out·1M·98.6% upAAtlasCloudfp4$1.68 in·$3.38 out·1M·100% upBaidu Qianfanfp8$1.69 in·$3.38 out·1M·99.9% upBBasetenfp4$1.74 in·$3.48 out·1M·99.8% upPParasailfp8$1.74 in·$3.48 out·1M·99.9% upNNextBitfp8$1.91 in·$3.83 out·1M·98.5% upAzure AI Foundry$1.91 in·$3.83 out·1M·99.2% up
Qwen3.6 Max Preview1 host
HostInOutContextUptime
Alibaba Cloud$1.03 in·$6.16 out·262k·100% up

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

Writing DNA

Style Comparison

Similarity
48%

Qwen3.6 Max Preview uses 53.8x more emoji

DeepSeek V4 Pro
Qwen3.6 Max Preview
57%Vocabulary62%
18wSentence Length21w
0.52Hedging0.22
3.3Bold3.8
2.3Lists2.9
0.04Emoji1.88
0.45Headings0.62
0.15Transitions0.02
Based on 27 + 26 text responses
Research

What we learned reading every model

FAQ

Common questions

DeepSeek V4 Pro is developed by DeepSeek while Qwen3.6 Max Preview is developed by Qwen. DeepSeek V4 Pro has a 1.0M token context window vs Qwen3.6 Max Preview's 262K. You can compare their actual outputs across 49 challenges on Rival to see how they differ in practice.

It depends on your use case. DeepSeek V4 Pro and Qwen3.6 Max Preview each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 49 challenges so you can judge which fits your needs best.

DeepSeek V4 Pro costs $1.74/M input tokens and Qwen3.6 Max Preview costs $1.04/M input tokens. Qwen3.6 Max Preview is $0.70/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 Pro and Qwen3.6 Max Preview 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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Model pages

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Qwen3.6 Max Preview53 outputs, specs and price
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