DeepSeek-V4-Pro vs Hy4 preview
Why this pair: Current Tencent and DeepSeek frontier language models
Benchmark Performance
Available Benchmarks
Technical Differences
Side-by-Side Facts
| Field | DeepSeek-V4-Pro | Hy4 preview |
|---|---|---|
| Developer | DeepSeek | Tencent |
| Family | Deepseek V4 Pro | Hy4 |
| Model | DeepSeek-V4-Pro | Hy4 preview |
| Version | DeepSeek-V4-Pro | Hy4 preview |
| Lifecycle | active | preview |
| Released | 2026-04-24 | 2026-08-28 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text |
| Output modalities | Text | Text |
| Context window | 1,048,576 | 1,000,000 |
| Total parameters | 1,598,839,674,782 | 770,000,000,000 |
| Active parameters | 49,000,000,000 | 49,000,000,000 |
| License | mit | apache-2.0 |
| Open weights | Yes | Yes |
| API available | Yes | No |
| Self-hostable | Yes | Yes |
| Provider access | DeepSeek (Standard), Deepinfra (Standard), Openrouter (Standard) | Openrouter (Standard) |
| Capabilities | chat, generation, reasoning | chat, generation, reasoning, tools |
17 comparable fields · 12 material differences · Editorially curated pair passes the primary-source comparison gate
DeepSeek-V4-Pro Capabilities
Hy4 preview Capabilities
Internal Comparison Graph
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Primary Evidence
Sources and Freshness
Questions
DeepSeek-V4-Pro vs Hy4 preview FAQs
Is DeepSeek-V4-Pro or Hy4 preview better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both DeepSeek-V4-Pro and Hy4 preview, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, DeepSeek-V4-Pro or Hy4 preview?+
DeepSeek-V4-Pro is $0.66 and Hy4 preview is $0.834 per million tokens, so DeepSeek-V4-Pro is cheaper on this metric. DeepSeek-V4-Pro is $1.5441 and Hy4 preview is $2.501 per million tokens, so DeepSeek-V4-Pro is cheaper on this metric.
Which has a larger context window, DeepSeek-V4-Pro or Hy4 preview?+
DeepSeek-V4-Pro has the larger sourced context window. DeepSeek-V4-Pro supports 1,048,576 and Hy4 preview supports 1,000,000.
Which performs better in benchmarks, DeepSeek-V4-Pro 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-Pro or Hy4 preview be self-hosted?+
Both models have the same recorded self-hosting status: supported. DeepSeek-V4-Pro is open weight; Hy4 preview is open weight.
Can DeepSeek-V4-Pro and Hy4 preview understand images?+
DeepSeek-V4-Pro 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-Pro or Hy4 preview?+
Neither has a larger sourced maximum output. DeepSeek-V4-Pro is — and Hy4 preview is —.
Do DeepSeek-V4-Pro and Hy4 preview support reasoning and tool use?+
DeepSeek-V4-Pro: reasoning. Hy4 preview: reasoning and tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, DeepSeek-V4-Pro or Hy4 preview?+
DeepSeek-V4-Pro has 3 sourced provider routes; Hy4 preview has 1, so DeepSeek-V4-Pro has broader tracked availability.
Which offers better value, DeepSeek-V4-Pro 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.