Doubao 豆包 (ByteDance) vs StepFun Yuewen 阶跃星辰 跃问

A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.

Doubao 豆包 (ByteDance) ByteDance's flagship consumer AI assistant Visit StepFun Yuewen 阶跃星辰 跃问 StepFun's multimodal chat app, backed by a $717M round and IPO plans Visit
RECATOOLS Score 6.4 / 10 6.6 / 10
Capability 7 7
Value for money 8 7
Ease of use 6 7
ASEAN readiness 4 4
API quality 6 6
Pricing Free Freemium
Free tier
Paid from Free consumer tier; Doubao 1.5 Pro API ≈ $0.11 per million input tokens and ≈ $0.28 per million
Has API
Open source
Free to use
Users Surpassed 100 million daily active users by late 2025
Founded 2023
Maker
Verdict

Doubao is ByteDance's flagship consumer AI assistant and one of the most-used chatbots in China, with 150M+ weekly active users. Its underlying Doubao/Seed model family is genuinely strong on Chinese-language tasks and a...

StepFun built its name on multimodal strength rather than pure chat — Step3-VL-10B reportedly matches open models 10-20x its size, and Step-Video-T2V, Step-Audio 2 and Step1X-Edit are all credible, Apache-2.0-licensed re...

Full review → Full review →
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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.