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  5. DeepSeek V4 Pro 0813vsQwen3.7 Flash
Updated Aug 2026

DeepSeek V4 Pro 0813vsQwen3.7 Flash

Qwen3.7 Flash is cheaper than DeepSeek V4 Pro 0813 at $0.03/M vs $0.66/M input tokens.

DeepSeek V4 Pro 0813 and Qwen3.7 Flash compared across 13 shared prompts
SpecDeepSeek V4 Pro 0813Qwen3.7 Flash
Input price$0.66/M tokens$0.03/M tokens
Output price$1.98/M tokens$0.13/M tokens
Context window1.0M tokens1.0M tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedAug 2026Jul 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 13 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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Qwen3.7 Flash332 words
🥔 Golden Crunch Smash-Roasted Potatoes A crowd-pleasing side dish that delivers maximum crispiness with minimal effort. By boiling then smashing the potatoes before roasting, you create a shatteringly crisp crust while keeping the inside fluffy. This recipe relies on just seven pantry staples for perfect flavor.
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 V4 Pro 08131,282 words
Decision: I will not wait for more data. I will act immediately to validate, disclose, and mitigate. The signal is serious, the drug is widely used, and the current label is inadequate. Waiting creates unacceptable patient risk, legal exposure, regulatory damage, and securities-law liability.
Read the full answer
Qwen3.7 Flash1,240 words
This is a high-stakes crisis requiring decisive, legally compliant, ethically grounded, and strategically coordinated action. Below is a structured, hour-by-hour executive playbook for the next 48 hours, followed by cross-cutting rationale addressing your specified dimensions.
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
Qwen3.7 Flash763 words
🌱 30-Day Health & Longevity Starter Plan This plan focuses on the three most evidence-backed pillars of longevity: Nutrition, Movement, and Sleep/Recovery. It’s designed for beginners: low barrier to entry, zero equipment required, and built on consistency over intensity. You’ll progress gradually so habits stick.
Read the full answer

Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

DeepSeek V4 Pro 08131,444 words
Assume the 1920 device is a crude but reproducible point-contact transistor — a “crystal triode” — developed in a major U.S. industrial lab (e.g., GE, Westinghouse, or AT&T’s development group).
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Qwen3.7 Flash1,381 words
This counterfactual traces a plausible diffusion curve for an early transistor invention, acknowledging that while the underlying physics could be known in 1920, practical adoption would be constrained by materials science, precision manufacturing, and institutional readiness.
Read the full answer

Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

DeepSeek V4 Pro 08131,745 words
This contract is heavily one-sided. Several clauses could be exploited against the contractor. Below is a clause-by-clause analysis, with proposed language changes and the legal reasoning behind each. Disclaimer: This is not legal advice. You should have a qualified contract attorney review any final agreement.
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Qwen3.7 Flash1,322 words
This agreement contains several highly one-sided provisions that create significant legal, financial, and operational risks for the contractor. Below is a clause-by-clause analysis identifying exploitation risks, recommended modifications, and the underlying legal reasoning. Note: Contract law varies by jurisdiction.
Read the full answer

Debug This Architecture

Here's the architecture for a real-time collaborative document editor (like Google Docs): **System Overview:** - Frontend: React SPA with…

DeepSeek V4 Pro 08131,701 words
This architecture as described would have serious consistency, availability, and security problems for a real-time collaborative editor. The biggest root causes are client-clock last-write-wins, paragraph-level overwrites, server-local WebSocket fanout, database polling, full-snapshot writes, and CDN caching of API…
Read the full answer
Qwen3.7 Flash1,067 words
Here’s a structured breakdown of the critical failure modes, race conditions, and scaling bottlenecks in the proposed architecture, along with targeted solutions and their trade-offs. 🔴 1.
Read the full answer
Our Verdict
DeepSeek V4 Pro 0813
DeepSeek V4 Pro 0813
Qwen3.7 Flash
Qwen3.7 FlashRunner-up

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

Qwen3.7 Flash costs 15x less per token.

Too close to call
API pricing

Cost per 1M tokens

DeepSeek V4 Pro 0813
Input
$0.66
Output
$1.98
Qwen3.7 Flash
Input
$0.03
22× cheaper
Output
$0.13
15× cheaper

Qwen3.7 Flash is cheaper on both: 22× input, 15× output.

Where to run it

23 hosts, cheapest first

DeepSeek V4 Pro 081322 hosts
HostInOutContextUptime
SSail Researchfp4$0.40 in·$4.30 out·1M·99.3% upWWafer$0.46 in·$2.90 out·1M·99.5% upSStreamLake$0.46 in·$1.39 out·1M·99.7% upIIonstream$0.62 in·$2.88 out·1M·99.3% upNNovitafp8$0.99 in·$2.97 out·1M·100% upGGMI Cloudfp8$1.06 in·$3.17 out·1M·99.9% up
16 more hostsFewer hosts
Alibaba Cloud$1.12 in·$3.37 out·1M·100% upNNextBitfp8$1.12 in·$3.37 out·1M·95.9% upDDeepInfrafp8$1.30 in·$2.60 out·1M·99.4% upCCoreWeavefp8$1.31 in·$3.96 out·1M·97.3% upAAtlasCloudfp8$1.32 in·$3.96 out·1M·99.8% upBaidu Qianfanfp8$1.32 in·$3.96 out·1M·100% upBBasetenfp4$1.32 in·$3.96 out·1M·92.5% upCloudflare Workers AI$1.32 in·$3.96 out·1M·97.8% upDeepSeek$1.32 in·$3.96 out·1M·100% upDDigitalOcean$1.32 in·$3.96 out·1M·97.8% upFFireworks$1.32 in·$3.96 out·1M·99.5% upPParasailfp8$1.32 in·$3.96 out·1M·99.7% upSSiliconFlowfp8$1.32 in·$3.96 out·1M·97.5% upTTogether$1.32 in·$3.96 out·1M·99.7% upPPhala$1.45 in·$4.36 out·1M·99.9% upVVenice$1.65 in·$4.95 out·1M·83.6% up
Qwen3.7 Flash1 host
HostInOutContextUptime
Alibaba Cloud$0.03 in·$0.13 out·1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

DeepSeek V4 Pro 0813 is developed by DeepSeek while Qwen3.7 Flash is developed by Qwen. DeepSeek V4 Pro 0813 has a 1.0M token context window vs Qwen3.7 Flash's 1.0M. You can compare their actual outputs across 13 challenges on Rival to see how they differ in practice.

It depends on your use case. DeepSeek V4 Pro 0813 and Qwen3.7 Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 13 challenges so you can judge which fits your needs best.

DeepSeek V4 Pro 0813 costs $0.66/M input tokens and Qwen3.7 Flash costs $0.03/M input tokens. Qwen3.7 Flash is $0.63/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 Qwen3.7 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.

Keep exploring

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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 V4.1 Flash logo
DeepSeek V4 Pro 0813 vs DeepSeek V4.1 FlashSame lab
Qwen3.7 Flash logoQwen3.8 Flash logo
Qwen3.7 Flash vs Qwen3.8 FlashSame lab
Qwen3.7 Flash logoQwen3.8 Max (0902) logo
Qwen3.7 Flash vs Qwen3.8 Max (0902)Same lab
DeepSeek V4 Pro 0813 logoGemini 2.5 Flash Lite Preview 06-17 logo
DeepSeek V4 Pro 0813 vs Gemini 2.5 Flash Lite Preview 06-17New provider
Qwen3.7 Flash logoGemini 2.5 Flash Lite Preview 09-2025 logo
Qwen3.7 Flash vs Gemini 2.5 Flash Lite Preview 09-2025Same size
DeepSeek V4 Pro 0813 logoGemini 2.5 Flash Preview logo
DeepSeek V4 Pro 0813 vs Gemini 2.5 Flash PreviewNew provider
DeepSeek V4 Pro 0813 logoGemini 2.5 Flash Preview 05-20 logo
DeepSeek V4 Pro 0813 vs Gemini 2.5 Flash Preview 05-20New provider

Model pages

DeepSeek V4 Pro 0813 logo
DeepSeek V4 Pro 081358 outputs, specs and price
Qwen3.7 Flash logo
Qwen3.7 Flash13 outputs, specs and price
Rival
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Explore all of Rival

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