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  5. DeepSeek V4.1 FlashvsQwen3.7 Plus
Updated Sep 2026

DeepSeek V4.1 FlashvsQwen3.7 Plus

DeepSeek V4.1 Flash is cheaper than Qwen3.7 Plus at $0.15/M vs $0.4/M input tokens.

DeepSeek V4.1 Flash and Qwen3.7 Plus compared across 6 shared prompts
SpecDeepSeek V4.1 FlashQwen3.7 Plus
Input price$0.15/M tokens$0.4/M tokens
Output price$0.6/M tokens$1.6/M tokens
Context window1.0M tokens1.0M tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedSep 2026May 2026
Our Verdict
DeepSeek V4.1 Flash
DeepSeek V4.1 Flash
Qwen3.7 Plus
Qwen3.7 PlusRunner-up

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

Too close to call
API pricing

Cost per 1M tokens

DeepSeek V4.1 Flash
Input
$0.15
2.7× cheaper
Output
$0.60
2.7× cheaper
Qwen3.7 Plus
Input
$0.40
Output
$1.60

DeepSeek V4.1 Flash is cheaper on both: 2.7× input, 2.7× output.

Where to run it

24 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
Qwen3.7 Plus1 host
HostInOutContextUptime
Alibaba Cloud$0.32 in·$1.28 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 V4.1 Flash is developed by DeepSeek while Qwen3.7 Plus is developed by Qwen. DeepSeek V4.1 Flash has a 1.0M token context window vs Qwen3.7 Plus'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 Qwen3.7 Plus 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 Qwen3.7 Plus costs $0.4/M input tokens. DeepSeek V4.1 Flash is $0.25/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 Qwen3.7 Plus 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

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Same lab, same size, long tail

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Qwen3.7 Plus vs Qwen3.8 FlashSame lab
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Qwen3.7 Plus vs Qwen3.8 Max (0902)Same lab
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DeepSeek V4.1 Flash vs Claude Haiku 4.5Same size
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DeepSeek V4.1 Flash logoClaude Opus 4.1 logo
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Model pages

DeepSeek V4.1 Flash logo
DeepSeek V4.1 Flash6 outputs, specs and price
Qwen3.7 Plus logo
Qwen3.7 Plus58 outputs, specs and price
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