Qwen3.8 27B vs Seed 2.1 Pro
Model Markets Rankings
Intelligence, Cost, and Efficiency
| Ranking | Qwen3.8-27B | Seed 2.1 Pro |
|---|---|---|
| CostLower is better · Published-token output estimate | #16 of 36$0.086 per LiveBench case | UnrankedNot in the 36-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
Technical Differences
Side-by-Side Facts
| Field | Qwen3.8-27B | Seed 2.1 Pro |
|---|---|---|
| Developer | Qwen | ByteDance Seed |
| Family | Qwen3 8 27b | Seed 2 1 |
| Model | Qwen3.8-27B | Seed 2.1 Pro |
| Version | Qwen3.8-27B | Seed 2.1 Pro |
| Lifecycle | active | active |
| Released | Unknown | 2026-06-23 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image | Text, Image, Video |
| Output modalities | Text | Text |
| Context window | 262K | Unknown |
| Total parameters | 27.8B | Unknown |
| Active parameters | Unknown | Unknown |
| License | apache-2.0 | Unknown |
| Open weights | Yes | No |
| API available | Yes | Yes |
| Self-hostable | Yes | No |
| Provider access | Deepinfra (Standard), Hugging Face (Standard), Openrouter (Standard) | Unknown |
| Capabilities | chat, generation, reasoning, tools | agents, chat, computer-use, generation, reasoning, structured_outputs, tools |
11 comparable fields · 8 material differences · Pair passes the primary-source comparison gate
Qwen3.8 27B Capabilities
Seed 2.1 Pro Capabilities
Internal Comparison Graph
Related Comparisons
| A | Pair | B | Context |
|---|---|---|---|
Qwen3.8-27BQwen | vs |  GPT-6 AstraOpenAI | cross-developer peersimage, text |
Qwen3.8-27BQwen | vs | Claude Fable 5.1Anthropic | cross-developer peersimage, text |
Qwen3.8-27BQwen | vs |  Gemini 3.1 ProGoogle DeepMind | cross-developer peerstext |
Qwen3.8-27BQwen | vs |  DeepSeek-V4-ProDeepSeek | cross-developer peerstext |
Qwen3.8-27BQwen | vs | Grok 4.6xAI | cross-developer peersimage, text |
Qwen3.8-27BQwen | vs | Qwen3.8-MaxQwen | family variantsimage, text |
Qwen3.8-27BQwen | vs |  Kimi-K3Moonshot AI | cross-developer peersimage, text |
 MiniMax-M3MiniMax | vs | Qwen3.8-27BQwen | cross-developer peersimage, text |
Qwen3.8-27BQwen | vs |  GLM-5.3Z.ai | cross-developer peerstext |
Qwen3.8-27BQwen | vs |  Hy4 previewTencent | cross-developer peerstext |
Qwen3.8-27BQwen | vs |  Mistral Large 3Mistral AI | cross-developer peersimage, text |
Qwen3.8-27BQwen | vs | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Qwen3.8 27B vs Seed 2.1 Pro FAQs
Is Qwen3.8 27B or Seed 2.1 Pro better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Qwen3.8 27B and Seed 2.1 Pro, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Qwen3.8 27B or Seed 2.1 Pro?+
Only Qwen3.8 27B has a directly sourced input price: $0.40 per million tokens. Only Qwen3.8 27B has a directly sourced output price: $3.00 per million tokens.
Which has a larger context window, Qwen3.8 27B or Seed 2.1 Pro?+
Neither model has a larger sourced context window in this comparison. Qwen3.8 27B is 262K and Seed 2.1 Pro is —.
Which performs better in benchmarks, Qwen3.8 27B or Seed 2.1 Pro?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Qwen3.8 27B or Seed 2.1 Pro be self-hosted?+
Qwen3.8 27B is the only model in this pair currently marked as self-hostable. Qwen3.8 27B is open weight; Seed 2.1 Pro is not marked open weight.
Can Qwen3.8 27B and Seed 2.1 Pro understand images?+
Qwen3.8 27B is documented with image input; Seed 2.1 Pro is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Qwen3.8 27B or Seed 2.1 Pro?+
Neither has a larger sourced maximum output. Qwen3.8 27B is 131K and Seed 2.1 Pro is —.
Do Qwen3.8 27B and Seed 2.1 Pro support reasoning and tool use?+
Qwen3.8 27B: reasoning, tool calling, and image input. Seed 2.1 Pro: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Qwen3.8 27B or Seed 2.1 Pro?+
Qwen3.8 27B has 3 sourced provider routes; Seed 2.1 Pro has 0, so Qwen3.8 27B has broader tracked availability.
Which offers better value, Qwen3.8 27B or Seed 2.1 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.