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  5. DeepSeek V4.1 FlashvsGrok 3 Beta
Updated Sep 2026

DeepSeek V4.1 FlashvsGrok 3 Beta

DeepSeek V4.1 Flash is cheaper than Grok 3 Beta at $0.15/M vs $2/M input tokens.

DeepSeek V4.1 Flash and Grok 3 Beta compared across 6 shared prompts
SpecDeepSeek V4.1 FlashGrok 3 Beta
Input price$0.15/M tokens$2/M tokens
Output price$0.6/M tokens$4/M tokens
Context window1.0M tokens131K tokens
WeightsOpen—
Free API (OpenRouter)NoNo
ReleasedSep 2026Apr 2025
Our Verdict
DeepSeek V4.1 Flash
DeepSeek V4.1 Flash
Grok 3 Beta
Grok 3 Beta

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

DeepSeek V4.1 Flash costs 6.7x less per token.

Too close to call
API pricing

Cost per 1M tokens

DeepSeek V4.1 Flash
Input
$0.15
13× cheaper
Output
$0.60
6.7× cheaper
Grok 3 Beta
Input
$2.00
Output
$4.00

DeepSeek V4.1 Flash is cheaper on both: 13× input, 6.7× 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
Grok 3 Beta

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 Grok 3 Beta is developed by xAI. DeepSeek V4.1 Flash has a 1.0M token context window vs Grok 3 Beta's 131K. 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 Grok 3 Beta 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 Grok 3 Beta costs $2/M input tokens. DeepSeek V4.1 Flash is $1.85/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 Grok 3 Beta 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

DeepSeek V4.1 Flash logo
DeepSeek V4.1 Flash6 outputs, specs and price
Grok 3 Beta logo
Grok 3 Beta59 outputs, specs and price
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