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  5. DeepSeek V4 Pro 0813vsQwen3.8 Omni Flash
Updated Sep 2026

DeepSeek V4 Pro 0813vsQwen3.8 Omni Flash

Qwen3.8 Omni Flash is cheaper than DeepSeek V4 Pro 0813 at $0.15/M vs $0.66/M input tokens.

DeepSeek V4 Pro 0813 and Qwen3.8 Omni Flash compared across 9 shared prompts
SpecDeepSeek V4 Pro 0813Qwen3.8 Omni Flash
Input price$0.66/M tokens$0.15/M tokens
Output price$1.98/M tokens$0.47/M tokens
Context window1.0M tokens1.0M tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedAug 2026Sep 2026
Side by side

Same prompt, both answers

Opening lines from 4 of the 9 prompts both answered. Formatting stripped, words untouched.

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 Pro 0813152 words
Golden Hour Crispy Chickpeas Serves 2–3 as a snack or side Prep: 5 min Cook: 25–30 min Ingredients (7 common pantry items) 1 can (15 oz) chickpeas, drained and rinsed 1 tablespoon olive oil ¼ cup grated Parmesan cheese ½ teaspoon garlic powder ½ teaspoon smoked paprika ¼ teaspoon salt ¼ teaspoon black pepper…
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Qwen3.8 Omni Flash175 words
Buttery Cloud Pancakes A soft, golden pancake stack made with just 7 pantry staples—no special mix-ins, no fancy tools, just simple comfort. Ingredients All-purpose flour Granulated sugar Baking powder Fine salt Milk Egg Butter Prep Time 10 minutes Cook Time 12 minutes Serves 2–3 Instructions In a bowl, whisk together…
Read the full answer

Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

DeepSeek V4 Pro 0813448 words
1-Month Beginner Plan for Health & Longevity Focus areas: Nutrition — add whole foods, protein, and water. Movement — daily walking plus beginner strength. Recovery — sleep and stress management. Week 1: Start Small Area Action Nutrition Add one fist-sized serving of vegetables to one meal per day.
Read the full answer
Qwen3.8 Omni Flash712 words
A Simple 1-Month Health & Longevity Starter Plan Goal: Build sustainable habits—not perfection—around diet, exercise, and recovery/sleep. Time commitment: Small daily actions plus 2–3 short workouts per week. The 3 Key Areas Diet: Add more good foods before restricting Beginner rule: Focus on adding, not removing.
Read the full answer

Startup Pitch Teardown

Here's a pitch deck summary for a startup called "MindMeld AI": **Slide 1 - Vision:** "We're building the future of human-AI collaboration.…

DeepSeek V4 Pro 0813662 words
The three weakest claims are the 94% accuracy solution, the $180B TAM market math, and the Apple/Samsung "partnership discussions" traction. Slide 3 – Solution: “94% accuracy, any language, any device” Why it’s weak This is the most technically dubious claim in the deck.
Read the full answer
Qwen3.8 Omni Flash2,971 words
The three weakest claims—ranked by how likely they are to fail investor diligence—are: “94% accuracy… works with any language, any device.” “TAM: $180B” based on 3.5B smartphone users. “FDA clearance” consuming 40% of the Series A raise.
Read the full answer

Explain Like I'm a Specific Expert

Explain how a large language model (like GPT or Claude) learns and generates text to each of these three audiences: 1. **An experienced…

DeepSeek V4 Pro 0813958 words
For the experienced software engineer Think of an LLM as a function with billions of parameters that maps a sequence of tokens to a probability distribution over the next token.
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Qwen3.8 Omni Flash913 words
For the experienced software engineer A large language model is best thought of as a gigantic, parameterized probabilistic function that maps a sequence of tokens to a probability distribution over the next token.
Read the full answer
Our Verdict
DeepSeek V4 Pro 0813
DeepSeek V4 Pro 0813
Qwen3.8 Omni Flash
Qwen3.8 Omni FlashRunner-up

Not enough votes to call it. On the specs, DeepSeek V4 Pro 0813 has the edge: bigger model tier, major provider backing.

Qwen3.8 Omni Flash costs 4.2x less per token.

Too close to call
API pricing

Cost per 1M tokens

DeepSeek V4 Pro 0813
Input
$0.66
Output
$1.98
Qwen3.8 Omni Flash
Input
$0.15
4.4× cheaper
Output
$0.47
4.2× cheaper

Qwen3.8 Omni Flash is cheaper on both: 4.4× input, 4.2× output.

Where to run it

23 hosts, cheapest first

DeepSeek V4 Pro 081322 hosts
HostInOutContextUptime
Baidu Qianfanfp8$0.35 in·$1.05 out·1M·100% upWWafer$0.35 in·$2.90 out·1M·99.6% upIIonstream$0.39 in·$2.88 out·1M·99.8% upSSail Researchfp4$0.40 in·$4.30 out·1M·99.9% upSStreamLake$0.46 in·$1.39 out·1M·99.8% upNNovitafp8$0.99 in·$2.97 out·1M·100% up
16 more hostsFewer hosts
GGMI Cloudfp8$1.06 in·$3.17 out·1M·99.8% upNNextBitfp8$1.06 in·$3.17 out·1M·99.9% upAlibaba Cloud$1.12 in·$3.37 out·1M·99.5% upDDeepInfrafp8$1.30 in·$2.60 out·1M·99.7% upCCoreWeavefp8$1.31 in·$3.96 out·1M·99.8% upAAtlasCloudfp8$1.32 in·$3.96 out·1M·99.4% upBBasetenfp4$1.32 in·$3.96 out·1M·99.3% upCloudflare Workers AI$1.32 in·$3.96 out·1M·98.5% upDeepSeek$1.32 in·$3.96 out·1M·100% upDDigitalOcean$1.32 in·$3.96 out·1M·99.9% upFFireworks$1.32 in·$3.96 out·1M·98.9% upPParasailfp8$1.32 in·$3.96 out·1M·99.7% upSSiliconFlowfp8$1.32 in·$3.96 out·1M·99.5% upTTogether$1.32 in·$3.96 out·1M·99.1% upPPhala$1.45 in·$4.36 out·1M·99% upVVenice$1.65 in·$4.95 out·1M·99.6% up
Qwen3.8 Omni Flash1 host
HostInOutContextUptime
Alibaba Clouddegraded$0.15 in·$0.47 out·1M·99% up

Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

DeepSeek V4 Pro 0813 is developed by DeepSeek while Qwen3.8 Omni Flash is developed by Qwen. DeepSeek V4 Pro 0813 has a 1.0M token context window vs Qwen3.8 Omni Flash's 1.0M. You can compare their actual outputs across 9 challenges on Rival to see how they differ in practice.

It depends on your use case. DeepSeek V4 Pro 0813 and Qwen3.8 Omni Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 9 challenges so you can judge which fits your needs best.

DeepSeek V4 Pro 0813 costs $0.66/M input tokens and Qwen3.8 Omni Flash costs $0.15/M input tokens. Qwen3.8 Omni Flash is $0.51/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 0813 and Qwen3.8 Omni Flash 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

DeepSeek V4 Pro 0813 logoDeepSeek V3.1 logo
DeepSeek V4 Pro 0813 vs DeepSeek V3.1Version compare
DeepSeek V4 Pro 0813 logoDeepSeek V4 Flash Vision Exp logo
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Qwen3.8 Omni Flash logoQwen3.7 Flash logo
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Qwen3.8 Omni Flash vs Qwen3.8 FlashSame lab
DeepSeek V4 Pro 0813 logoGPT-2 logo
DeepSeek V4 Pro 0813 vs GPT-2New provider
DeepSeek V4 Pro 0813 logoGPT-3.5 Turbo logo
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DeepSeek V4 Pro 0813 logoGPT-4 logo
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DeepSeek V4 Pro 0813 logoGPT-4.1 logo
DeepSeek V4 Pro 0813 vs GPT-4.1Same size

Model pages

DeepSeek V4 Pro 0813 logo
DeepSeek V4 Pro 081358 outputs, specs and price
Qwen3.8 Omni Flash logo
Qwen3.8 Omni Flash9 outputs, specs and price
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