StepFun 阶跃星辰 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.
StepFun 阶跃星辰
Chinese multimodal frontier-model lab founded by Microsoft Research ve...
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StepFun Yuewen 阶跃星辰 跃问
StepFun's multimodal chat app, backed by a $717M round and IPO plans
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| RECATOOLS Score | 6.6 / 10 | 6.6 / 10 |
| Capability | ||
| Value for money | ||
| Ease of use | ||
| ASEAN readiness | ||
| API quality | ||
| Pricing | Freemium | Freemium |
| Free tier | — | — |
| Paid from | — | — |
| Has API | ✓ | ✓ |
| Open source | ✗ | ✗ |
| Free to use | ✓ | ✓ |
| Users | — | — |
| Founded | 2023 | — |
| Maker | — | — |
| Verdict | StepFun (阶跃星辰) is a well-funded Chinese AI lab building capable multimodal Step models, with an OpenAI-compatible API, realtime voice tooling and recent open-source releases such as Step 3.7 Flash aimed at agentic us... |
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.