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Doubao Seed 2.1 Pro vs Qwen3.8 Max (0902): API price comparison (2026)

As of 2026-10-17, By blended price, Doubao Seed 2.1 Pro is cheaper — about 1.5× less. Doubao Seed 2.1 Pro: ¥6 / ¥30 (Official (China)); Qwen3.8 Max (0902): ¥12 / ¥36 (Official (China)), per 1M input/output tokens.

Doubao Seed 2.1 Pro Qwen3.8 Max (0902)
Blended$1.79$2.69
Cheapest channelOfficial (China)Official (China)
Context—1M
China usability✓CN direct✓Alipay✓ID✗Intl card
Official (China)		✓CN direct✓Alipay✓ID✗Intl card
Official (China)

Doubao Seed 2.1 Pro

ChannelBlendedInputOutputCachedAccess & payment (this channel)NotesSource
Official (China)
¥6 / ¥30		$1.79$0.896$4.48$0.179✓CN direct✓Alipay✓ID✗Intl card
conditions source2026-10-17		0–256K；批量推理 ¥3 / ¥15www.volcengine.com
2026-10-17

Qwen3.8 Max (0902)

ChannelBlendedInputOutputCachedAccess & payment (this channel)NotesSource
Official (China)
¥12 / ¥36		$2.69$1.79$5.37✓CN direct✓Alipay✓ID✗Intl card
conditions source2026-10-17		华北2（北京），0<Token≤1M；Batch 半价
models.dev ✓		help.aliyun.com
2026-10-17
OpenRouter
$2 / $6		$3$2$6$0.25✓CN direct✓Alipay✗ID✗Intl card
conditions source2026-10-17		Original vendor endpoint: Alibabaopenrouter.ai
2026-10-17

Qwen hub ·

FAQ

Which is cheaper, Doubao Seed 2.1 Pro or Qwen3.8 Max (0902)?

As of 2026-10-17, By blended price, Doubao Seed 2.1 Pro is cheaper — about 1.5× less. Doubao Seed 2.1 Pro: ¥6 / ¥30 (Official (China)); Qwen3.8 Max (0902): ¥12 / ¥36 (Official (China)), per 1M input/output tokens.

What are the context windows of Doubao Seed 2.1 Pro and Qwen3.8 Max (0902)?

Doubao Seed 2.1 Pro: —; Qwen3.8 Max (0902): 1M.

Can I use Doubao Seed 2.1 Pro and Qwen3.8 Max (0902) directly from mainland China?

Doubao Seed 2.1 Pro（Official (China)）direct yes, Alipay yes; Qwen3.8 Max (0902)（Official (China)）direct yes, Alipay yes. Via each cheapest channel.

How much can I save switching between them?

Blended (0.75×in+0.25×out): Doubao Seed 2.1 Pro $1.79 vs Qwen3.8 Max (0902) $2.69, a difference of $0.896 per 1M tokens.