Moonshot AI vs StepFun
Which Chatbots AI tool is better in 2026?
Moonshot AI
Maker of Kimi — the long-context AI chatbot.
StepFun
StepFun offers a suite of AI tools including knowledge base Q&A, image creation, and advanced multimodal reasoning models.
Side-by-side
| Moonshot AI | StepFun | |
|---|---|---|
| Tagline | Maker of Kimi — the long-context AI chatbot. | StepFun offers a suite of AI tools including knowledge base Q&A, image creation, and advanced multimodal reasoning models. |
| Founded | 2023 | — |
| HQ | Beijing, CN | — |
| Employees | 201-500 | — |
| Total funding | $300M | Undisclosed |
| Latest round | Series B · Feb 2025 | — |
| Valuation | $3.3B | — |
| Cheapest paid plan | — | Pricing not disclosed |
| Free plan | ✓ Kimi Free | ✓ |
| Free trial | ✗ | ✗ |
| Top tier price | — | Pricing not disclosed |
| Pricing summary | 4 published plans | Free |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for Moonshot AI and StepFun.
| Capability | Moonshot AI | StepFun |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 2 (python, javascript) | — |
| Free plan | ✓ | ✓ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Moonshot AI
- Has raised more capital ($300M vs Undisclosed)
- Higher Neuron score (63 vs 11)
- Newer company (2023)
🔵 Strengths of StepFun
- Strong in AI Chatbots
Which should you choose?
Choose Moonshot AI if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI Chatbots tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Moonshot AI if you want the most established option — it has raised $300M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Moonshot AI vs StepFun — which is better?
It depends on your priority. Moonshot AI has raised more capital and is the more established option; StepFun has broader feature depth. See the side-by-side table above.
Is Moonshot AI cheaper than StepFun?
Yes — Moonshot AI's cheapest paid plan is Free, while StepFun's is Free.
Do Moonshot AI and StepFun offer free plans?
Moonshot AI: Yes, has a free plan. StepFun: Yes, has a free plan.
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