Seed 2.1 Pro vs DeepSeek V4 Pro
Benchmark Performance
Available Benchmarks
Technical Differences
Side-by-Side Facts
| Field | Seed 2.1 Pro | DeepSeek-V4-Pro |
|---|---|---|
| Developer | ByteDance Seed | DeepSeek |
| Family | Seed 2 1 | Deepseek V4 Pro |
| Model | Seed 2.1 Pro | DeepSeek-V4-Pro |
| Version | Seed 2.1 Pro | DeepSeek-V4-Pro |
| Lifecycle | active | active |
| Released | 2026-06-23 | 2026-04-24 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image, Video | Text |
| Output modalities | Text | Text |
| Context window | Unknown | 1,049K |
| Total parameters | Unknown | 1.6T |
| Active parameters | Unknown | 49B |
| License | Unknown | mit |
| Open weights | No | Yes |
| API available | Yes | Yes |
| Self-hostable | No | Yes |
| Provider access | Unknown | DeepSeek (Standard), Deepinfra (Standard), Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard), Together Ai (Standard) |
| Capabilities | agents, chat, computer-use, generation, reasoning, structured_outputs, tools | chat, generation, reasoning |
12 comparable fields · 9 material differences · Pair passes the primary-source comparison gate
Seed 2.1 Pro Capabilities
DeepSeek V4 Pro Capabilities
Internal Comparison Graph
Related Comparisons
| A | Pair | B | Context |
|---|---|---|---|
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Claude Fable 5.1Anthropic | vs | Seed 2.1 ProByteDance Seed | cross-developer peersimage, text |
Seed 2.1 ProByteDance Seed | vs |  Gemini 3.1 ProGoogle DeepMind | cross-developer peerstext |
Seed 2.1 ProByteDance Seed | vs | Grok 4.6xAI | cross-developer peersimage, text |
Seed 2.1 ProByteDance Seed | vs |  Qwen3.8-MaxQwen | cross-developer peersimage, text, video |
Seed 2.1 ProByteDance Seed | vs |  Kimi-K3Moonshot AI | cross-developer peersimage, text |
 MiniMax-M3MiniMax | vs | Seed 2.1 ProByteDance Seed | cross-developer peersimage, text |
Seed 2.1 ProByteDance Seed | vs |  GLM-5.3Z.ai | cross-developer peerstext |
Seed 2.1 ProByteDance Seed | vs |  Hy4 previewTencent | cross-developer peerstext |
Seed 2.1 ProByteDance Seed | vs |  Mistral Large 3Mistral AI | cross-developer peersimage, text |
Seed 2.1 ProByteDance Seed | vs | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Seed 2.1 Pro vs DeepSeek V4 Pro FAQs
Is Seed 2.1 Pro or DeepSeek V4 Pro better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Seed 2.1 Pro and DeepSeek V4 Pro, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Seed 2.1 Pro or DeepSeek V4 Pro?+
Only DeepSeek V4 Pro has a directly sourced input price: $0.66 per million tokens. Only DeepSeek V4 Pro has a directly sourced output price: $1.5441 per million tokens.
Which has a larger context window, Seed 2.1 Pro or DeepSeek V4 Pro?+
Neither model has a larger sourced context window in this comparison. Seed 2.1 Pro is — and DeepSeek V4 Pro is 1,049K.
Which performs better in benchmarks, Seed 2.1 Pro or DeepSeek V4 Pro?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Seed 2.1 Pro or DeepSeek V4 Pro be self-hosted?+
DeepSeek V4 Pro is the only model in this pair currently marked as self-hostable. Seed 2.1 Pro is not marked open weight; DeepSeek V4 Pro is open weight.
Can Seed 2.1 Pro and DeepSeek V4 Pro understand images?+
Seed 2.1 Pro is documented with image input; DeepSeek V4 Pro is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Seed 2.1 Pro or DeepSeek V4 Pro?+
Neither has a larger sourced maximum output. Seed 2.1 Pro is — and DeepSeek V4 Pro is —.
Do Seed 2.1 Pro and DeepSeek V4 Pro support reasoning and tool use?+
Seed 2.1 Pro: reasoning, tool calling, and image input. DeepSeek V4 Pro: reasoning. Feature support does not establish relative quality.
Which is available from more inference providers, Seed 2.1 Pro or DeepSeek V4 Pro?+
Seed 2.1 Pro has 0 sourced provider routes; DeepSeek V4 Pro has 6, so DeepSeek V4 Pro has broader tracked availability.
Which offers better value, Seed 2.1 Pro or DeepSeek V4 Pro?+
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.