Head-to-head
Qwen3.8-Max vs Doubao Seed 2.0 Pro
A 0.2-point composite gap — but the real story is the dimension mix. Same weights, unpacked: who leads where, and whether the premium is justified.
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Doubao Seed 2.0 Pro
ByteDance
The practical ceiling for Chinese multimodal work
Full dossierThe short answer
The composites differ by 0.2 points, and their strengths do not overlap.
Stronger overall: effectively tied. If you only run one workload, read the dimension table instead.
Overlaid radar
Same weights, same scale; overlap means parity
- Qwen3.8-Max95.4
- Doubao Seed 2.0 Pro95.2
Dimension deltas
A on the left, B on the right; 100 max per row
Qwen3.8-Max leads 4, Doubao Seed 2.0 Pro leads 3, tied 1.
Spec sheet
Hard specs in one table
| Item | Qwen3.8-Max | Doubao Seed 2.0 Pro |
|---|---|---|
| Composite | 95.4 | 95.2 |
| Tier | S+ | S+ |
| Visual perception & grounding | 97 | 97 |
| Document parsing & Chinese OCR | 97WIN | 96 |
| Chart & document reasoning | 96WIN | 94 |
| Video & long-horizon reasoning | 93 | 96WIN |
| GUI agents & tool use | 95WIN | 93 |
| Generation & editing | 90WIN | 88 |
| Chinese context & culture | 95 | 97WIN |
| Ecosystem, cost & availability | 96 | 98WIN |
| Output price | ¥18 / M | ¥15 / M |
| Context | 1M (256K native) | 128K |
| Parameters | Undisclosed (MoE, trillion-scale total) | Undisclosed (MoE) |
| Licence | Closed commercial API (smaller siblings open) | Closed commercial API |
| Native multimodal | Yes | Yes |
| Evidence grade | B | A |
How to choose
Choose Qwen3.8-Max if…
- Long-document, chart-dense enterprise knowledge bases
- Whole-manual QA that needs 1M context
- Cross-app GUI agents and automation flows
- You cannot accept its limitation: At ¥18/1M output tokens it is one of the three priciest here; high-frequency image analysis gets a heavy bill.
How to choose
Choose Doubao Seed 2.0 Pro if…
- Chinese short-video moderation and tagging
- Mobile GUI agents and automation
- Chinese e-commerce image understanding
- You cannot accept its limitation: At ¥15/1M output tokens, high-frequency image analysis gets expensive.
Scenario check
Five scenarios, who holds up
| Scenario | Qwen3.8-Max | Doubao Seed 2.0 Pro | Better |
|---|---|---|---|
| Chinese receipt OCR | 97 | 95 | Qwen3.8-Max |
| Chart data extraction | 96 | 93 | Qwen3.8-Max |
| 30-min video QA | 92 | 96 | Doubao Seed 2.0 Pro |
| Mobile GUI control | 95 | 92 | Qwen3.8-Max |
| Chinese cultural context | 95 | 97 | Doubao Seed 2.0 Pro |
Comparison FAQ
Qwen3.8-Max vs Doubao Seed 2.0 Pro: which is stronger?
Composite: Qwen3.8-Max 95.4, Doubao Seed 2.0 Pro 95.2. Qwen3.8-Max leads on Document parsing & Chinese OCR, Chart & document reasoning, GUI agents & tool use, Generation & editing; Doubao Seed 2.0 Pro leads on Video & long-horizon reasoning, Chinese context & culture, Ecosystem, cost & availability. The stronger overall is effectively tied.
How much more expensive is Qwen3.8-Max than Doubao Seed 2.0 Pro?
Qwen3.8-Max is ¥18/1M output tokens; Doubao Seed 2.0 Pro is ¥15/1M. On output price, Qwen3.8-Max is pricier; real cost also depends on image tokens and input share.
Can Doubao Seed 2.0 Pro replace Qwen3.8-Max?
It depends on your primary workload. If it sits in Doubao Seed 2.0 Pro’s strengths (Chinese short-video moderation and tagging, Mobile GUI agents and automation, Chinese e-commerce image understanding), yes. If you need Long-document, chart-dense enterprise knowledge bases, switching will cost quality.
Personal ranking · Not an official score
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