Moonshot AI vs StepFun

Moonshot AI — Foundation Models · Private · $35B valuation · 2 of 2 figures sourced  |  StepFun — Foundation Models · Private · $10B valuation · 2 of 2 figures sourced

Relationship

Assembled from the recorded fields for this pair, not hand-checked. The comparison below is read from each company’s own profile.

Aligned comparison

FieldMoonshot AIStepFun
Valuation$35B$10B StepFun has 3.5× smaller
Employees——
Founded20232023 match
StatusPrivatePrivate match
CategoryFoundation ModelsFoundation Models match
Stack layerAI agent, Application, Model APIAI agent, API service, Application, Developer tool, Model API
HeadquartersBeijing, ChinaShanghai, China

Capability overlap

Shared · 5

Agent orchestrationAgentic codingCode generationText generationSearch answers

Not verified for StepFun · 2

Document extractionSummarization

Recorded for Moonshot AI. StepFun’s product records say nothing either way — a missing record is not a missing capability.

Not verified for Moonshot AI · 7

Image generationModel inferenceKnowledge retrievalSpeech to textText to speechVoice agentWorkflow automation

Recorded for StepFun. Moonshot AI’s product records say nothing either way — a missing record is not a missing capability.

Products, side by side

Algorithmic pairing — assembled from recorded fields, not hand-checked

Moonshot AI

Application

KimiApplication

Assistant for chat, long-document reading and web search, built on Moonshot's Kimi models.

AI agent

Kimi ClawAI agent

Deploys persistent AI agents on personal or cloud devices for ongoing task execution.

Kimi CodeAI agent

Performs software-development tasks (code generation, review, refactoring) with Kimi's AI.

Model API

Kimi Open PlatformModel API

Moonshot's developer platform for calling the Kimi models, billed per token.

StepFun

Application

阶跃AI (StepFun AI)Application

StepFun's consumer AI assistant, available on the web and as Windows and macOS desktop clients, offering web search, knowledge-base Q&A, image creation, tool use and speech recognition.

AI agent

StepClawAI agent

A one-click cloud-deployed AI agent offered inside the 阶跃AI assistant that interprets instructions and carries out tasks autonomously.

Model API

StepFun Open PlatformModel API

API access to StepFun's text, vision, speech and image models, with credit packages and enterprise plans.

No counterpart

StepFun sells these in a stack layer with no product recorded for Moonshot AI yet — nothing on the other side to compare them against.

API service

Step PlanAPI service

A subscription service from the StepFun Open Platform that supplies a monthly Credit pool for calling StepFun's flagship models from third-party coding tools and agent clients such as Claude Code, Cursor, OpenClaw, Cline and Zed.

Developer tool

阶跃星辰 AI Studio (StepFun AI Studio)Developer tool

A browser-based workspace for building, testing and deploying AI applications on StepFun's models, with a playground, a showcase library of example apps and a personal asset library.

Open in the browser view