bitHuman vs HeyGen
HeyGen: AI avatar video, video translation and the LiveAvatar real-time API. bitHuman: real-time avatars that render on the device, on your servers with no GPU, offline or in the cloud.
Last checked October 8, 2026. Each fact links its public source as of the date beside it. Products change; if something here is out of date, tell us and we will correct it.
Side by side
Each row lists what HeyGen and bitHuman state on their own pages.
What it makes
HeyGen
bitHuman
- Essence 2 renders a photoreal person from one portrait, live. (source, as of October 8, 2026)
- Expression 2 renders any character from one portrait, live: people, animals, cartoons, creatures and robots. (source, as of October 8, 2026)
- The talking-video API renders an MP4 of an agent speaking your audio, up to 120 seconds per job. (source, as of October 8, 2026)
Real-time conversation
HeyGen
- HeyGen offers real-time avatars through LiveAvatar, its real-time avatar API: use its full stack, or bring your own LLM and TTS. (source, as of October 8, 2026)
bitHuman
- Bring your own speech-to-text, language model and voice and pay only the avatar rate, or let bitHuman run the whole conversation for one rate. (source, as of October 8, 2026)
Developer tools
HeyGen
- HeyGen's developer platform renders video on HeyGen Cloud, from one video to batches of thousands. (source, as of October 8, 2026)
bitHuman
- SDKs and tools for Swift, Android, Flutter, Python, a web embed, a CLI and a REST API. (source, as of October 8, 2026)
- A LiveKit plugin (livekit-plugins-bithuman) gives a LiveKit voice agent an avatar, rendered in the bitHuman cloud or inside your worker. (source, as of October 8, 2026)
- A Pipecat integration (pipecat-bithuman) renders the avatar inside your bot's own process, on your own machine. (source, as of October 8, 2026)
Avatars and languages
Pricing
HeyGen
Enterprise
HeyGen
bitHuman
- Business and Enterprise plans can buy an offline license, a prepaid credit pack bound to one machine. (source, as of October 8, 2026)
Where HeyGen is stronger
- HeyGen makes AI avatar videos and lists more than 500 stock video avatars on its plans. (source, as of October 8, 2026)
- HeyGen translates videos into more than 175 languages with AI voices, lip sync and subtitles. (source, as of October 8, 2026)
- HeyGen's developer platform renders video on HeyGen Cloud, from one video to batches of thousands. (source, as of October 8, 2026)
- LiveAvatar lists more than 100 preset avatars, and custom avatars from a single image or 2 minutes of footage. (source, as of October 8, 2026)
- HeyGen's Free plan is $0 a month for 3 videos a month; the Creator plan is $29 a month, or $24 a month billed annually. (source, as of October 8, 2026)
- HeyGen supports single sign-on and SCIM for enterprise customers, and its security page lists third-party security certifications. (source, as of October 8, 2026)
Where bitHuman differs
- Expression 2 renders any character from one portrait, live: people, animals, cartoons, creatures and robots. (source, as of October 8, 2026)
- Renders on the device: iPhone, iPad and Mac, Android phones, or a browser tab with WebGPU. There is no render server to run. (source, as of October 8, 2026)
- Essence 2 and Expression 2 render live on the processor of an ordinary Linux PC, with no graphics card. (source, as of October 8, 2026)
- Fully offline with an offline license, for Business and Enterprise plans, on Linux and on Macs with Apple silicon. (source, as of October 8, 2026)
- SDKs and tools for Swift, Android, Flutter, Python, a web embed, a CLI and a REST API. (source, as of October 8, 2026)
- A LiveKit plugin (livekit-plugins-bithuman) gives a LiveKit voice agent an avatar, rendered in the bitHuman cloud or inside your worker. (source, as of October 8, 2026)
- A Pipecat integration (pipecat-bithuman) renders the avatar inside your bot's own process, on your own machine. (source, as of October 8, 2026)
- Billed by the exact second in credits, 100 credits = $1: Essence 2 and Expression 2 cost 4 credits a minute in the cloud and 2 on your own hardware or device. (source, as of October 8, 2026)
About this comparison
We compare only facts that a company states on its own public pages, and we link each one. We are bitHuman, so read the sources yourself before you decide.
If you work at a company named here and a fact is wrong or out of date, email hello@bithuman.ai with the page and the source, and we will update it.