vs

One table to see how doubao-seed-evolving (ByteDance) and deepseek-v4.1-flash (DeepSeek) differ. On EasyAPI both use the same endpoint and the same key; only the model name changes.

Quick verdict

  • deepseek-v4.1-flash has the lower input price, 92% cheaper than doubao-seed-evolving.
  • deepseek-v4.1-flash has the lower output price, 93% cheaper than doubao-seed-evolving.

Specs and pricing side by side

Dimensiondoubao-seed-evolvingdeepseek-v4.1-flash
ProviderByteDanceDeepSeek
TypeTextText
Input price¥5.062¥0.4194
Output price¥25.31¥1.6775
Cache read¥1.0124¥0.0084
Cache write¥0.0143—
Capabilities文本 · 多模态文本
Endpoints11

Platform prices per million tokens (image / video models use their own units); your invoice is authoritative.

deepseek-v4.1-flash

DeepSeek-V4.1-Flash 是 DeepSeek 当前主力模型,官方 API 模型名为 deepseek-flash。支持 1M 上下文与最大 384K 输出,默认可切换思考/非思考模式,具备图像理解、工具调用、JSON Output,并兼容 OpenAI 与 Anthropic API。

FAQ

Which is cheaper, doubao-seed-evolving or deepseek-v4.1-flash?
deepseek-v4.1-flash has the lower input price, 92% cheaper than doubao-seed-evolving.
Can I call doubao-seed-evolving and deepseek-v4.1-flash through the same API?
Yes. Both are served through EasyAPI's OpenAI-compatible API. Point base_url at EasyAPI and swap the model name; no separate vendor accounts needed.