Chai AI vs StepFun 阶跃星辰
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Chai AI
Mass-market AI roleplay app with millions of user-made characters
Visit
|
StepFun 阶跃星辰
Chinese multimodal frontier-model lab founded by Microsoft Research ve...
Visit
|
|
|---|---|---|
| RECATOOLS Score | 6 / 10 | 6.6 / 10 |
| Capability | — | |
| Value for money | — | |
| Ease of use | — | |
| ASEAN readiness | — | |
| API quality | — | |
| Pricing | Freemium | Freemium |
| Free tier | Free: ~70 messages every 2.5 hours; paid tiers add unlimited messages, memory, image gen | — |
| Paid from | From $9.99/week; Premium ~$13.99/mo; Ultra ~$29.99/mo | — |
| Has API | ✗ | ✓ |
| Open source | ✗ | ✗ |
| Free to use | ✓ | ✓ |
| Users | 10M+ users, 2M daily active | — |
| Founded | 2021 | 2023 |
| Maker | William Beauchamp | — |
| Verdict | Chai is one of the larger consumer roleplay-chat apps, with a big library of community-made characters and hundreds of thousands of daily users. Its distinctive piece is Chaiverse, where LLM builders submit models that g... |
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... |
| Full review → | Full review → |
← Back to AI Directory
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.