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 FlashvsMistral Devstral Small 1.1
Updated Sep 2026

DeepSeek V4.1 FlashvsMistral Devstral Small 1.1

Mistral Devstral Small 1.1 is cheaper than DeepSeek V4.1 Flash at $0.1/M vs $0.15/M input tokens.

DeepSeek V4.1 Flash and Mistral Devstral Small 1.1 compared across 6 shared prompts
SpecDeepSeek V4.1 FlashMistral Devstral Small 1.1
Input price$0.15/M tokens$0.1/M tokens
Output price$0.6/M tokens$0.3/M tokens
Context window1.0M tokens—
WeightsOpenOpen
Free API (OpenRouter)NoNo
ReleasedSep 2026Jul 2025
Our Verdict
DeepSeek V4.1 Flash
DeepSeek V4.1 Flash
Mistral Devstral Small 1.1
Mistral Devstral Small 1.1Runner-up

Not enough votes to call it. On the specs, DeepSeek V4.1 Flash has the edge: bigger model tier, newer, bigger context window, major provider backing.

Slight edge
API pricing

Cost per 1M tokens

DeepSeek V4.1 Flash
Input
$0.15
Output
$0.60
Mistral Devstral Small 1.1
Input
$0.10
1.5× cheaper
Output
$0.30
2.0× cheaper

Mistral Devstral Small 1.1 is cheaper on both: 1.5× input, 2.0× output.

Where to run it

23 hosts, cheapest first

DeepSeek V4.1 Flash23 hosts
HostInOutContextUptime
OOpenInferencefp4$0.10 in·$0.50 out·1M·99.5% upWWafer$0.12 in·$0.60 out·1M·99.7% upRRelacefp4$0.12 in·$0.52 out·1M·99.9% upMMorph$0.13 in·$0.51 out·1M·98.4% upSSail Researchfp4$0.13 in·$0.75 out·1M·99.9% upDDeepInfrafp8$0.14 in·$0.42 out·1M·99.7% up
17 more hostsFewer hosts
SStreamLakefp8$0.15 in·$0.60 out·1M·99.5% upCCoreWeavefp8$0.20 in·$0.65 out·1M·99.2% upFFireworks$0.22 in·$0.66 out·1M·98.8% upPPhala$0.28 in·$1.10 out·1M·99.4% upGGMI Cloudfp8$0.28 in·$1.14 out·1M·99.6% upNNovitafp8$0.28 in·$1.14 out·1M·100% upAlibaba Cloud$0.30 in·$1.20 out·1M·99.9% upAAtlasCloudfp8$0.30 in·$1.20 out·1M·99.7% 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·97.9% upMMakora$0.30 in·$1.20 out·1M·98.9% upModal$0.30 in·$1.20 out·1M·99.8% upSSiliconFlowfp8$0.30 in·$1.20 out·1M·99.8% upTTogether$0.30 in·$1.20 out·1M·99.9% upVVenicefp8$0.38 in·$1.50 out·1M·96.7% upPParasailfp8degraded$0.30 in·$1.20 out·1M·93% up
Mistral Devstral Small 1.1

No hosts listed on OpenRouter.

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

Research

What we learned reading every model

FAQ

Common questions

DeepSeek V4.1 Flash is developed by DeepSeek while Mistral Devstral Small 1.1 is developed by Mistral AI. 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 Mistral Devstral Small 1.1 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 Mistral Devstral Small 1.1 costs $0.1/M input tokens. Mistral Devstral Small 1.1 is $0.05/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 Mistral Devstral Small 1.1 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 logoDeepSeek V4 Flash Vision Exp logo
DeepSeek V4.1 Flash vs DeepSeek V4 Flash Vision ExpLanded Sep 2026
Mistral Devstral Small 1.1 logoSolar Pro 4 logo
Mistral Devstral Small 1.1 vs Solar Pro 4Landed Sep 2026
DeepSeek V4.1 Flash logoHy3 logo
DeepSeek V4.1 Flash vs Hy3Landed Sep 2026
Mistral Devstral Small 1.1 logoQwen3.7 Flash logo
Mistral Devstral Small 1.1 vs Qwen3.7 FlashLanded Sep 2026
DeepSeek V4.1 Flash logoLing 3.0 Flash logo
DeepSeek V4.1 Flash vs Ling 3.0 FlashLanded Sep 2026
Mistral Devstral Small 1.1 logoMuse Glimmer 30B logo
Mistral Devstral Small 1.1 vs Muse Glimmer 30BLanded Sep 2026
DeepSeek V4.1 Flash logoGLM 5.3 logo
DeepSeek V4.1 Flash vs GLM 5.3Landed Sep 2026
Mistral Devstral Small 1.1 logoTernary Bonsai 2 27B logo
Mistral Devstral Small 1.1 vs Ternary Bonsai 2 27BLanded Sep 2026

Same lab, same size, long tail

DeepSeek V4.1 Flash logoDeepSeek V4 Pro 0813 logo
DeepSeek V4.1 Flash vs DeepSeek V4 Pro 0813Same lab
DeepSeek V4.1 Flash logoDeepSeek V4 Flash 0731 logo
DeepSeek V4.1 Flash vs DeepSeek V4 Flash 0731Same lab
Mistral Devstral Small 1.1 logoMistral Small 4 logo
Mistral Devstral Small 1.1 vs Mistral Small 4Same lab
Mistral Devstral Small 1.1 logoMistral Devstral Medium logo
Mistral Devstral Small 1.1 vs Mistral Devstral MediumSame lab
DeepSeek V4.1 Flash logoLing 2.6 1T logo
DeepSeek V4.1 Flash vs Ling 2.6 1TNew provider
DeepSeek V4.1 Flash logoLing 2.6 Flash logo
DeepSeek V4.1 Flash vs Ling 2.6 FlashSame size
Mistral Devstral Small 1.1 logoLing 3.0 Flash logo
Mistral Devstral Small 1.1 vs Ling 3.0 FlashNew provider
Mistral Devstral Small 1.1 logoLing 3.0 Flash Fin (free) logo
Mistral Devstral Small 1.1 vs Ling 3.0 Flash Fin (free)New provider

Model pages

DeepSeek V4.1 Flash logo
DeepSeek V4.1 Flash6 outputs, specs and price
Mistral Devstral Small 1.1 logo
Mistral Devstral Small 1.159 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