Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. DeepSeek V4.1 FlashvsQwen3.8 Max Prime
Updated Sep 2026

DeepSeek V4.1 FlashvsQwen3.8 Max Prime

DeepSeek V4.1 Flash is cheaper than Qwen3.8 Max Prime at $0.15/M vs $4/M input tokens.

DeepSeek V4.1 Flash and Qwen3.8 Max Prime compared across 6 shared prompts
SpecDeepSeek V4.1 FlashQwen3.8 Max Prime
Input price$0.15/M tokens$4/M tokens
Output price$0.6/M tokens$12/M tokens
Context window1.0M tokens1.0M tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedSep 2026Sep 2026
Our Verdict
DeepSeek V4.1 Flash
DeepSeek V4.1 Flash
Qwen3.8 Max Prime
Qwen3.8 Max Prime

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

DeepSeek V4.1 Flash costs 20x less per token.

Too close to call
API pricing

Cost per 1M tokens

DeepSeek V4.1 Flash
Input
$0.15
27× cheaper
Output
$0.60
20× cheaper
Qwen3.8 Max Prime
Input
$4.00
Output
$12.00

DeepSeek V4.1 Flash is cheaper on both: 27× input, 20× output.

Where to run it

27 hosts, cheapest first

DeepSeek V4.1 Flash26 hosts
HostInOutContextUptime
DDekaLLM$0.04 in·$0.49 out·1M·99.4% upMMorph$0.07 in·$0.30 out·1M·100% upOOpenInferencefp4$0.10 in·$0.50 out·1M·99.4% upRRelace$0.10 in·$0.50 out·1M·99.9% upSSail Researchfp4$0.13 in·$0.75 out·1M·99.1% upDDeepInfrafp8$0.14 in·$0.42 out·1M·99.9% up
20 more hostsFewer hosts
SStreamLakefp8$0.17 in·$0.66 out·1M·99.7% upWWafer$0.20 in·$0.60 out·1M·100% upCCoreWeavefp8$0.20 in·$0.65 out·1M·99.4% upFFireworks$0.22 in·$0.66 out·1M·99.9% upGGMI Cloudfp8$0.23 in·$0.90 out·1M·99.8% upKKreafp8$0.23 in·$0.90 out·1M·95.6% upPPhala$0.28 in·$1.10 out·1M·99.3% upNNovitafp8$0.28 in·$1.14 out·1M·100% upAlibaba Cloud$0.30 in·$1.20 out·1M·99.7% upAAtlasCloudfp8$0.30 in·$1.20 out·1M·99.9% upBBasetenfp8$0.30 in·$1.20 out·1M·99.4% upDeepSeek$0.30 in·$1.20 out·1M·100% upDDigitalOcean$0.30 in·$1.20 out·1M·99.9% upMMakorafp8$0.30 in·$1.20 out·1M·99.2% upModal$0.30 in·$1.20 out·1M·99.6% upNNextBitfp8$0.30 in·$1.20 out·1M·100% upPParasailfp8$0.30 in·$1.20 out·1M·97.1% upSSiliconFlowfp8$0.30 in·$1.20 out·1M·99.5% upTTogether$0.30 in·$1.20 out·1M·99.3% upVVenicefp8$0.38 in·$1.50 out·1M·98.7% up
Qwen3.8 Max Prime1 host
HostInOutContextUptime
Alibaba Cloud$4.00 in·$12.00 out·1M·99.9% up

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

Research

What we learned reading every model

FAQ

Common questions

DeepSeek V4.1 Flash is developed by DeepSeek while Qwen3.8 Max Prime is developed by Qwen. DeepSeek V4.1 Flash has a 1.0M token context window vs Qwen3.8 Max Prime's 1.0M. You can compare their actual outputs across 6 challenges on Rival to see how they differ in practice.

It depends on your use case. DeepSeek V4.1 Flash and Qwen3.8 Max Prime each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 6 challenges so you can judge which fits your needs best.

DeepSeek V4.1 Flash costs $0.15/M input tokens and Qwen3.8 Max Prime costs $4/M input tokens. DeepSeek V4.1 Flash is $3.85/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 V4.1 Flash and Qwen3.8 Max Prime 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

More comparisons

Against the newest arrivals

DeepSeek V4.1 Flash logoSolar Mini 4 logo
DeepSeek V4.1 Flash vs Solar Mini 4Landed Sep 2026
Qwen3.8 Max Prime logoGLM 5.3 Prime logo
Qwen3.8 Max Prime vs GLM 5.3 PrimeLanded Sep 2026
DeepSeek V4.1 Flash logoQwen3.8 Omni Flash logo
DeepSeek V4.1 Flash vs Qwen3.8 Omni FlashLanded Sep 2026
Qwen3.8 Max Prime logoCommand A+ logo
Qwen3.8 Max Prime vs Command A+Landed Sep 2026
DeepSeek V4.1 Flash logoClaude Opus 5.5 logo
DeepSeek V4.1 Flash vs Claude Opus 5.5Landed Sep 2026
Qwen3.8 Max Prime logoGPT-6 Luna Pro logo
Qwen3.8 Max Prime vs GPT-6 Luna ProLanded Sep 2026
DeepSeek V4.1 Flash logoGPT-6 Sol Pro logo
DeepSeek V4.1 Flash vs GPT-6 Sol ProLanded Sep 2026
Qwen3.8 Max Prime logoGPT-6 Luna logo
Qwen3.8 Max Prime vs GPT-6 LunaLanded Sep 2026

Same lab, same size, long tail

DeepSeek V4.1 Flash logoDeepSeek V4 Flash Vision Exp logo
DeepSeek V4.1 Flash vs DeepSeek V4 Flash Vision ExpSame lab
DeepSeek V4.1 Flash logoDeepSeek V4 Pro 0813 logo
DeepSeek V4.1 Flash vs DeepSeek V4 Pro 0813Same lab
Qwen3.8 Max Prime logoQwen3.8 Omni Flash logo
Qwen3.8 Max Prime vs Qwen3.8 Omni FlashSame lab
Qwen3.8 Max Prime logoQwen3.7 Flash logo
Qwen3.8 Max Prime vs Qwen3.7 FlashSame lab
Qwen3.8 Max Prime logoGemini 1.5 Pro logo
Qwen3.8 Max Prime vs Gemini 1.5 ProSame size
DeepSeek V4.1 Flash logoGemini 2.5 Flash Lite Preview 09-2025 logo
DeepSeek V4.1 Flash vs Gemini 2.5 Flash Lite Preview 09-2025Same size
DeepSeek V4.1 Flash logoGemini 2.5 Flash Preview logo
DeepSeek V4.1 Flash vs Gemini 2.5 Flash PreviewNew provider
Qwen3.8 Max Prime logoGemini 2.5 Flash Preview 05-20 logo
Qwen3.8 Max Prime vs Gemini 2.5 Flash Preview 05-20New provider

Model pages

DeepSeek V4.1 Flash logo
DeepSeek V4.1 Flash6 outputs, specs and price
Qwen3.8 Max Prime logo
Qwen3.8 Max Prime19 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed