DeepSeek V4 Flash vs Hy4 preview

Model Markets Rankings

Intelligence, Cost, and Efficiency

All rankings →
RankingDeepSeek-V4-FlashHy4 preview
IntelligenceHigher is better · MM Intelligence v1.2#19 of 2241.8 scoreUnrankedNot in the 22-model eligible cohort
CostLower is better · Published-token output estimate#2 of 36$0.0060 per LiveBench caseUnrankedNot in the 36-model eligible cohort
EfficiencyHigher is better · MM Efficiency v1.0#1 of 2270.9 scoreUnrankedNot in the 22-model eligible cohort

Ranks come from the current complete eligible cohorts. Green highlights appear only when both models are ranked in the same metric. Missing required inputs remain unranked, and the three dimensions are not collapsed into an overall winner.

Benchmark Performance

Available Benchmarks

No Protocol-Matched Benchmark Yet.Results appear here only when both models share the same benchmark version, metric, evaluation protocol, and evidence class.
FieldAt a Glance
DeepSeek · activeDeepSeek V4 FlashVerified Aug 28, 2026
Tencent · previewHy4 previewVerified Sep 2, 2026

Technical Differences

Side-by-Side Facts

Indexable
FieldDeepSeek-V4-FlashHy4 preview
DeveloperDeepSeekTencent
FamilyDeepseek V4 FlashHy4
ModelDeepSeek-V4-FlashHy4 preview
VersionDeepSeek-V4-FlashHy4 preview
Lifecycleactivepreview
Released2026-04-242026-08-28
Knowledge cutoffUnknownUnknown
Input modalitiesTextText
Output modalitiesTextText
Context window1,049K1,000K
Total parameters290.9B770B
Active parameters13B49B
Licensemitapache-2.0
Open weightsYesYes
API availableYesYes
Self-hostableYesYes
Provider accessDeepSeek (Standard), Deepinfra (Standard), Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard)Openrouter (Standard)
Capabilitieschat, generation, reasoningchat, generation, reasoning, tools

17 comparable fields · 12 material differences · Pair passes the primary-source comparison gate

DeepSeek V4 Flash Capabilities

chatgenerationreasoning
Input price$0.0868
Output price$0.1736
Serving providers5
Canonical IDdeepseek-ai/DeepSeek-V4-Flash

Hy4 preview Capabilities

chatgenerationreasoningtools
Input price$0.834
Output price$2.501
Serving providers1
Canonical IDtencent/Hy4-preview

Internal Comparison Graph

Related Comparisons

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Primary Evidence

Sources and Freshness

Questions

DeepSeek V4 Flash vs Hy4 preview FAQs

Is DeepSeek V4 Flash or Hy4 preview better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both DeepSeek V4 Flash and Hy4 preview, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, DeepSeek V4 Flash or Hy4 preview?+

DeepSeek V4 Flash is $0.0868 and Hy4 preview is $0.834 per million tokens, so DeepSeek V4 Flash is cheaper on this metric. DeepSeek V4 Flash is $0.1736 and Hy4 preview is $2.501 per million tokens, so DeepSeek V4 Flash is cheaper on this metric.

Which has a larger context window, DeepSeek V4 Flash or Hy4 preview?+

DeepSeek V4 Flash has the larger sourced context window. DeepSeek V4 Flash supports 1,049K and Hy4 preview supports 1,000K.

Which performs better in benchmarks, DeepSeek V4 Flash or Hy4 preview?+

There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.

Can DeepSeek V4 Flash or Hy4 preview be self-hosted?+

Both models have the same recorded self-hosting status: supported. DeepSeek V4 Flash is open weight; Hy4 preview is open weight.

Can DeepSeek V4 Flash and Hy4 preview understand images?+

DeepSeek V4 Flash is not documented with image input; Hy4 preview is not documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, DeepSeek V4 Flash or Hy4 preview?+

Neither has a larger sourced maximum output. DeepSeek V4 Flash is — and Hy4 preview is —.

Do DeepSeek V4 Flash and Hy4 preview support reasoning and tool use?+

DeepSeek V4 Flash: reasoning. Hy4 preview: reasoning and tool calling. Feature support does not establish relative quality.

Which is available from more inference providers, DeepSeek V4 Flash or Hy4 preview?+

DeepSeek V4 Flash has 5 sourced provider routes; Hy4 preview has 1, so DeepSeek V4 Flash has broader tracked availability.

Which offers better value, DeepSeek V4 Flash or Hy4 preview?+

There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.

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