Seed 1.8 vs Qwen3.8 Max
Model Markets Rankings
Intelligence, Cost, and Efficiency
| Ranking | Seed 1.8 | Qwen3.8-Max |
|---|---|---|
| CostLower is better · Published-token output estimate | UnrankedNot in the 36-model eligible cohort | #19 of 36$0.107 per LiveBench case |
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 | Seed 1.8 | Qwen3.8-Max |
|---|---|---|
| Developer | ByteDance Seed | Qwen |
| Family | Seed 1 8 | Qwen3 8 Max |
| Model | Seed 1.8 | Qwen3.8-Max |
| Version | Seed 1.8 | Qwen3.8-Max |
| Lifecycle | active | active |
| Released | Unknown | Unknown |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image | Text, Image, Video |
| Output modalities | Text | Text |
| Context window | Unknown | 1,000K |
| Total parameters | Unknown | 2.4T |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Unknown | Alibaba Cloud Model Studio (Standard), Deepinfra (Standard), Fireworks Ai (Standard), Openrouter (Standard) |
| Capabilities | chat, generation, reasoning, tools | agents, chat, reasoning, structured_outputs, tools, vision |
11 comparable fields · 6 material differences · Pair passes the primary-source comparison gate
Seed 1.8 Capabilities
Qwen3.8 Max Capabilities
Internal Comparison Graph
Related Comparisons
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|---|---|---|---|
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Seed 1.8ByteDance Seed | vs | Seed 2.1 ProByteDance Seed | family variantsimage, text |
Seed 1.8ByteDance Seed | vs |  Mistral Large 3Mistral AI | cross-developer peersimage, text |
Seed 1.8ByteDance Seed | vs | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Seed 1.8 vs Qwen3.8 Max FAQs
Is Seed 1.8 or Qwen3.8 Max better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Seed 1.8 and Qwen3.8 Max, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Seed 1.8 or Qwen3.8 Max?+
Only Qwen3.8 Max has a directly sourced input price: $1.65 per million tokens. Only Qwen3.8 Max has a directly sourced output price: $4.951 per million tokens.
Which has a larger context window, Seed 1.8 or Qwen3.8 Max?+
Neither model has a larger sourced context window in this comparison. Seed 1.8 is — and Qwen3.8 Max is 1,000K.
Which performs better in benchmarks, Seed 1.8 or Qwen3.8 Max?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Seed 1.8 or Qwen3.8 Max be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Seed 1.8 is not marked open weight; Qwen3.8 Max is not marked open weight.
Can Seed 1.8 and Qwen3.8 Max understand images?+
Seed 1.8 is documented with image input; Qwen3.8 Max is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Seed 1.8 or Qwen3.8 Max?+
Neither has a larger sourced maximum output. Seed 1.8 is — and Qwen3.8 Max is 131K.
Do Seed 1.8 and Qwen3.8 Max support reasoning and tool use?+
Seed 1.8: reasoning, tool calling, and image input. Qwen3.8 Max: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Seed 1.8 or Qwen3.8 Max?+
Seed 1.8 has 0 sourced provider routes; Qwen3.8 Max has 4, so Qwen3.8 Max has broader tracked availability.
Which offers better value, Seed 1.8 or Qwen3.8 Max?+
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.