Deepgram vs StepFun

Deepgram — Infrastructure · Private · $1.3B valuation · 3 of 3 figures sourced  |  StepFun — Foundation Models · Private · $10B valuation · 2 of 2 figures sourced

Relationship

Deepgram Speech-to-Text and 阶跃星辰 AI Studio (StepFun AI Studio) do comparable work on speech to text and voice agent; both also serve buyers who need to create synthetic voice and audio and turn speech into text; larger scale (private).

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

4 of 5 capabilitiesShared product typeLarger scale

4 of 5 capabilities — Shares agent orchestration, speech to text, text to speech and 1 more.

Ludbee capability tags · from the product records

Shared product type — Both ship API service.

Ludbee product records

Larger scale — StepFun: $10B valuation, against Deepgram's $1.3B valuation.

Ludbee scale figures · valuation, market cap or revenue estimate

Aligned comparison

FieldDeepgramStepFun
Valuation$1.3B$10B StepFun has 7.7× more
Employees——
Founded20152023 8 yrs later
StatusPrivatePrivate match
CategoryInfrastructureFoundation Models
Stack layerAPI serviceAI agent, API service, Application, Developer tool, Model API
HeadquartersSan Francisco, USAShanghai, China

Capability overlap

Shared · 4

Agent orchestrationSpeech to textText to speechVoice agent

Not verified for StepFun · 1

Summarization

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

Not verified for Deepgram · 8

Agentic codingCode generationImage generationModel inferenceKnowledge retrievalText generationSearch answersWorkflow automation

Recorded for StepFun. Deepgram’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

Deepgram

API service

Deepgram Audio IntelligenceAPI service

Language-understanding features layered on Deepgram's speech recognition — summarisation, topic and intent detection over conversational audio.

Deepgram Flux TTSAPI service

Deepgram's text-to-speech API, marketed on low latency (responses from about 80ms) and on being deployable in the customer's own environment as well as on Deepgram's cloud.

Deepgram Speech-to-TextAPI service

Speech-to-text API supporting 45+ languages with streaming and batch transcription, speaker identification and smart formatting, alongside companion text-to-speech and voice-agent APIs.

Deepgram Voice Agent APIAPI service

A single API for building real-time voice agents, combining Deepgram's speech-to-text and text-to-speech with LLM orchestration.

StepFun

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.

No counterpart

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

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.

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.

Model API

StepFun Open PlatformModel API

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