StepFun Yuewen 阶跃星辰 跃问 vs Kimi 月之暗面

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

StepFun Yuewen 阶跃星辰 跃问 StepFun's multimodal chat app, backed by a $717M round and IPO plans Visit Kimi 月之暗面 Long-context chat assistant from Moonshot AI Visit
RECATOOLS Score 6.6 / 10 7.3 / 10
Capability 7 8
Value for money 7 8
Ease of use 7 6.5
ASEAN readiness 4 4.5
API quality 6 6
Pricing Freemium Freemium
Free tier
Paid from API from $0.95/$4.00 per M tokens (input/output; OpenRouter ~$0.75/$3.50); free web tier
Has API
Open source
Free to use
Users 36M+ MAU (as of late 2024)
Founded 2023
Maker
Verdict

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...

Kimi is Moonshot AI's consumer front-end for the open-weight K-series models, and in 2026 it's no longer a China-only story: kimi.com, the Kimi Code CLI and an English API platform give it a real international footprint,...

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