What is the difference between Cypher Alpha (free) and DeepSeek V4.1 Flash?

Cypher Alpha (free) is developed by OpenRouter while DeepSeek V4.1 Flash is developed by DeepSeek. You can compare their actual outputs across 1 challenges on Rival to see how they differ in practice.

Which is better, Cypher Alpha (free) or DeepSeek V4.1 Flash?

It depends on your use case. Cypher Alpha (free) and DeepSeek V4.1 Flash each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 1 challenges so you can judge which fits your needs best.

How can I compare Cypher Alpha (free) and DeepSeek V4.1 Flash on Rival?

This page shows a side-by-side comparison of Cypher Alpha (free) and DeepSeek V4.1 Flash 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

Cypher Alpha (free)vsDeepSeek V4.1 Flash

DeepSeek V4.1 Flash is the newer model, released after Cypher Alpha (free).

Cypher Alpha (free) and DeepSeek V4.1 Flash compared across 1 shared prompts
Spec	Cypher Alpha (free)	DeepSeek V4.1 Flash
Input price	—	$0.15/M tokens
Output price	—	$0.6/M tokens
Context window	—	1.0M tokens
Weights	—	Open
Free API (OpenRouter)	No	No
Released	Jul 2025	Sep 2026

Our Verdict

DeepSeek V4.1 Flash

Cypher Alpha (free)Runner-up

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

Too close to call

API pricing

Cost per 1M tokens

Cypher Alpha (free)

Input

—

Output

—

DeepSeek V4.1 Flash

Input

$0.15

Output

$0.60

Where to run it

23 hosts, cheapest first

Cypher Alpha (free)

No hosts listed on OpenRouter.

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

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

Research

What we learned reading every model

FAQ

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More comparisons

Cost per 1M tokens

23 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between Cypher Alpha (free) and DeepSeek V4.1 Flash?

Which is better, Cypher Alpha (free) or DeepSeek V4.1 Flash?

How can I compare Cypher Alpha (free) and DeepSeek V4.1 Flash on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Cost per 1M tokens

23 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between Cypher Alpha (free) and DeepSeek V4.1 Flash?

Which is better, Cypher Alpha (free) or DeepSeek V4.1 Flash?

How can I compare Cypher Alpha (free) and DeepSeek V4.1 Flash on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages