What is the difference between DeepSeek V4.1 Flash and Hy3?

DeepSeek V4.1 Flash is developed by DeepSeek while Hy3 is developed by Tencent. DeepSeek V4.1 Flash has a 1.0M token context window vs Hy3's 262K. You can compare their actual outputs across 6 challenges on Rival to see how they differ in practice.

Which is better, DeepSeek V4.1 Flash or Hy3?

It depends on your use case. DeepSeek V4.1 Flash and Hy3 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.

How much does DeepSeek V4.1 Flash cost compared to Hy3?

DeepSeek V4.1 Flash costs $0.15/M input tokens and Hy3 costs $0.132/M input tokens. Hy3 is $0.02/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare DeepSeek V4.1 Flash and Hy3 on Rival?

This page shows a side-by-side comparison of DeepSeek V4.1 Flash and Hy3 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.

Updated Sep 2026

DeepSeek V4.1 FlashvsHy3

Hy3 is cheaper than DeepSeek V4.1 Flash at $0.132/M vs $0.15/M input tokens.

DeepSeek V4.1 Flash and Hy3 compared across 6 shared prompts
Spec	DeepSeek V4.1 Flash	Hy3
Input price	$0.15/M tokens	$0.132/M tokens
Output price	$0.6/M tokens	$0.528/M tokens
Context window	1.0M tokens	262K tokens
Weights	Open	Open
Free API (OpenRouter)	No	No
Released	Sep 2026	Jul 2026

Our Verdict

DeepSeek V4.1 Flash

Hy3

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

Too close to call

API pricing

Cost per 1M tokens

DeepSeek V4.1 Flash

Input

$0.15

Output

$0.60

Hy3

Input

$0.13

1.1× cheaper

Output

$0.53

1.1× cheaper

Hy3 is cheaper on both: 1.1× input, 1.1× output.

Where to run it

29 hosts, cheapest first

DeepSeek V4.1 Flash23 hosts

HostInOutContextUptime

OpenInferencefp4$0.10 in$0.50 out1M99.5% up Wafer$0.12 in$0.60 out1M99.7% up Relacefp4$0.12 in$0.52 out1M99.9% up Morph$0.13 in$0.51 out1M98.4% up Sail Researchfp4$0.13 in$0.75 out1M99.9% up DeepInfrafp8$0.14 in$0.42 out1M99.7% up

17 more hosts

StreamLakefp8$0.15 in$0.60 out1M99.5% up CoreWeavefp8$0.20 in$0.65 out1M99.2% up Fireworks$0.22 in$0.66 out1M98.8% up Phala$0.28 in$1.10 out1M99.4% up GMI Cloudfp8$0.28 in$1.14 out1M99.6% up Novitafp8$0.28 in$1.14 out1M100% up Alibaba Cloud$0.30 in$1.20 out1M99.9% up AtlasCloudfp8$0.30 in$1.20 out1M99.7% up Basetenfp8$0.30 in$1.20 out1M99.4% up DeepSeek$0.30 in$1.20 out1M100% up DigitalOcean$0.30 in$1.20 out1M97.9% up Makora$0.30 in$1.20 out1M98.9% up Modal$0.30 in$1.20 out1M99.8% up SiliconFlowfp8$0.30 in$1.20 out1M99.8% up Together$0.30 in$1.20 out1M99.9% up Venicefp8$0.38 in$1.50 out1M96.7% up Parasailfp8degraded$0.30 in$1.20 out1M93% up

Hy36 hosts

HostInOutContextUptime

DeepInfrafp4$0.13 in$0.53 out262k99.7% up Tencentfp8$0.13 in$0.53 out262k99.9% up GMI Cloudbf16$0.14 in$0.58 out262k98.6% up Novita$0.14 in$0.58 out262k100% up Phala$0.15 in$0.64 out262k100% up AtlasCloudfp8$0.20 in$0.80 out262k99.9% up

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

Research

What we learned reading every model

FAQ

Common questions

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More comparisons

Cost per 1M tokens

29 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between DeepSeek V4.1 Flash and Hy3?

Which is better, DeepSeek V4.1 Flash or Hy3?

How much does DeepSeek V4.1 Flash cost compared to Hy3?

How can I compare DeepSeek V4.1 Flash and Hy3 on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Cost per 1M tokens

29 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between DeepSeek V4.1 Flash and Hy3?

Which is better, DeepSeek V4.1 Flash or Hy3?

How much does DeepSeek V4.1 Flash cost compared to Hy3?

How can I compare DeepSeek V4.1 Flash and Hy3 on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages