Sume Avatar 1.0
Sume Avatar 1.0 by API: reusable avatars, talking video from a script, multi-scene and two-speaker videos, previews, B-roll, and Face Swap (Beta).
Start with Introducing Sume Avatar 1.0
Face-swap clip on YouTube: label needed? Sume's beta caps at 15 s
YouTube asks for a label when a real person appears to say or do something they did not. Sume's face swap beta takes about 4 to 15 seconds; $3.68 max at plus.
Griffin-Lite 48% is 26 of 54 callers: how wide is the range?
Tavus reports 48% of 54 callers took Griffin-Lite for human. A 95% Wilson interval on 26 of 54 is about 35% to 61%. What that means for buyers.
HeyGen twins take 10-20 min: how do Sume avatar jobs show progress?
HeyGen says digital twins are ready in 10 to 20 minutes. Sume publishes no time: avatar creation is a job you poll or get by webhook. How to plan for it.
Korean avatar captions: slam style returns 400, use a Hangul style
Sume rejects a Korean script with slam, punch or tiktok-green captions (400 caption_hangul_text_latin_style). Pick a Hangul style such as korean-ad.
Live AI avatar vs recorded clip: who reviews the words first?
A live avatar speaks in real time; a Sume Avatar 1.0 clip is scripted, previewable and fixed. Why that matters while Tavus says disclosure features are coming.
Will a YouTube AI label hurt reach? What the page says
YouTube's help page says disclosing AI content does not limit reach or monetization eligibility; penalties target non-disclosure. Plan an avatar series on that.
Face swap or avatar video? Pick by whether you already have footage
Sume's face swap Beta applies an avatar face to your own 4-15 second video; Avatar Video renders a new clip from a script, up to 60 seconds. How to choose.
Griffin-Lite is waitlist only: what can an avatar team ship now?
Tavus says Griffin-Lite is not available to customers. Here is what a team can ship this week with Sume Avatar 1.0 rendered clips instead, with costs.
Put the AI disclosure in scene one: Sume avatar video_inputs recipe
A copyable Sume Avatar 1.0 request with a 3-second disclosure scene and a 12-second message. The 15 seconds cost $2.76 at standard, $3.68 at plus.
Synthesia needs a live consent clip: what do Sume photo avatars need?
Synthesia says personal avatars need a live consent recording. Sume's photo avatar takes an HTTPS image URL, so your own release process must cover consent.
Approval gate for AI avatar video: review stills before rendering
Add a sign-off step before publishing synthetic video: Sume's avatar video preview returns first-frame stills, and a later tier change needs no new preview.
YouTube AI disclosure: which avatar pipeline steps are exempt?
YouTube exempts scripts, captions and upscaling from its AI label but not realistic synthetic people. Map each step of a Sume avatar pipeline to the rule.
Does a scripted AI presenter video need YouTube's synthetic label?
YouTube asks for a label when content makes a real person appear to say something they did not. Here is how to read that for a made-up Sume Avatar presenter.
Avatar handle with an @ prefix: Sume stores it without the @
You can send an avatar handle as @product_host or product_host. Sume normalizes it and stores it without the @. What that means for lookups and clips.
What a scripted AI avatar clip cannot do: seven limits and fixes
A Sume avatar clip cannot take questions, run past 60 seconds or switch presenter mid-video. Seven documented limits, each with a workaround.
Avatar first-frame preview checklist: seven checks before final render
Before paying for the full avatar render, check seven things on the preview stills: handle, framing, background, product, ratio, scenes, caption intent.
Rate avatar clips like Griffin-Lite: naturalness, trust, flow
Tavus reports Griffin-Lite averages of 5.4 naturalness, 5.6 trust and 4.9 conversation flow. Score your own avatar clips on the first two; a test costs $14.69.
Sume Avatar max costs 2.24x plus and 3x standard: when to pay it
Sume Avatar 1.0 is $0.184 a second on standard, $0.245 plus, $0.55 max: ratios 1 : 1.33 : 2.99. Iterate on standard, ship plus, pay max for hero ads.
Griffin-Lite study: 81% confident about the AI, 79% about people
Tavus reports participants were 81% confident about the AI and 79% about real people. Confidence did not track the truth, so label AI avatar clips yourself.
Avatar video quality tiers: test one script at all three
How to choose between standard, plus and max in Sume Avatar 1.0: render one script three times, compare on a checklist, and keep the cheapest tier that passes.
AI talking avatar video cost per minute: Sume tiers
Sume avatar video is $0.184, $0.245 or $0.55 per second by tier: $11.04, $14.70 or $33.00 a minute. 100 thirty-second clips cost $552 to $1,650.
Griffin-style follow-ups with rendered avatar clips and branching
Griffin-Lite reacts live. Until you can use it, approximate a guided conversation with a set of pre-rendered Sume avatar clips and your own branching logic.
Interactive avatar or avatar video? A five-question test
Griffin-Lite is a research preview. Five questions tell you whether you need a live avatar or a rendered Sume Avatar 1.0 clip, and what to ship this quarter.
Name your avatars: a handle scheme that fits 2 to 30 characters
Sume avatar handles allow letters, digits, periods and underscores, 2 to 30 characters. Build a team naming scheme that passes validation and stays readable.
Let users pick an avatar in your app with GET /v1/avatar-1.0/avatars
Build an avatar picker on the Sume Avatar 1.0 list route: read ready avatars server-side, cache them, and pass the chosen handle to talking-video.
UGC script length: how many words fit 4 to 60 seconds of avatar
Avatar Video accepts 4 to 60 seconds. Plan your UGC script by words, then see the price at standard and plus quality with a product image.
Cameo in an AI episode: Avatar Face Swap (Beta), 4 to 15 s source
Sume's Avatar Face Swap (Beta) puts your avatar into a source video of 4 to 15 seconds and requires a quality setting. Use it for a cameo, not a whole episode.
Same set every episode: an Avatar 1.0 scene photo or prompt background
Avatar Video 1.0 scenes are a prompt or a photo. Use one photo for the set in every episode, or reuse one prompt word for word, to keep the same place.
30-episode avatar series cost: Sume Avatar standard, plus and max
A 30-episode talking-avatar series of 45-second episodes costs $248 to $743 in avatar video on Sume, plus $0.95 to create the avatar. Per-second math inside.
Sponsored episode with an Avatar 1.0 presenter: product image cost
Adding a product image to Avatar Video 1.0 costs $0.01 to $0.03 more per second. Standard $0.184 to $0.194, Plus $0.245 to $0.258, Max $0.55 to $0.58.
Avatar video is 720p only: fit it into a 1080x1920 series
Sume Avatar Video 1.0 renders at 720p. Timeline 1.0 outputs 1080x1920 by default and fits a slot with cover or contain, at $0.10 per output minute.
90-second TikTok mini-drama episode: avatar videos cap at 60 seconds
Sume's avatar talking video runs 4-60 seconds per job. For a 90-second episode, make two jobs and join them with Timeline 1.0 at $0.10 per output minute.
English and Korean UGC avatar ad: two jobs, Hangul captions, priced
One Avatar 1.0 job speaks one script. For English and Korean versions run two jobs; inline captions add no caption fee, but Korean needs a Hangul style.
Avatar video aspect ratio for a Shorts series: 9:16, 1:1 or 3:4?
Avatar 1.0 renders 1:1, 3:4, 9:16, 4:3 and 16:9 (default 9:16) at 720p. YouTube Shorts series accept portrait or square only, so 4:3 and 16:9 are out for them.
Approve the micro-drama lead's first frame, then render
Create an Avatar video preview, review the first-frame stills, regenerate if needed, then call generate-video. Quality can change at the final step.
Two-person micro-drama dialogue on Avatar 1.0: one avatar per video
Avatar 1.0 renders one avatar per final video, so a two-character scene is two jobs. A 30-second exchange costs $7.35 at plus and $16.50 at max.
Tavus Griffin-Lite claims vs a script-driven avatar API: a checklist
Griffin-Lite is full-duplex and a research preview for select testers. Check each claim against what you can integrate today.
Face swap, motion control or lip sync: which Sume avatar route?
Pick the Sume avatar route by what you already have: a clip with a person (face swap), a motion video (Kling motion control) or a voice line (H3 Max lip sync).
Reuse one AI presenter across lip-sync clips with an avatar handle
Create the presenter once, then pass avatar_handle to H3 Max lip sync for every clip. Same face each time, no re-upload, one Idempotency-Key per line.
Tavus Griffin-Lite is invite-only: what can you build today?
Griffin-Lite is a closed Tavus preview. Until you get in, Sume ships rendered avatar clips, lip sync and motion control for talking-head video.
YouTube Shorts series: a weekly AI presenter episode pipeline
YouTube began rolling out Shorts series on 2026-09-23. A repeatable weekly pipeline for presenter episodes: one avatar, draft at standard, final at max.
Pipecat HeyGen LiveAvatar: duration by tier vs a 60 second Sume job
In Pipecat, HeyGen LiveAvatar session length depends on your subscription tier. On Sume the length rule is fixed: 4 to 60 seconds per job, priced per second.
Pipecat TavusVideoService live avatar, or a recorded Sume clip?
Pipecat's Tavus service speaks your agent's TTS live over WebRTC. A Sume avatar job is a 4 to 60 second recorded MP4. How to pick, by what the viewer does.
Pipecat avatar TTFB metrics vs timing a Sume avatar job
Pipecat's Tavus service reports TTFB from TTSStartedFrame and BotStartedSpeakingFrame. A Sume avatar job has no first byte to time: measure submit to completed.
Pipecat Simli max_session_length vs Sume's 4 to 60 second clip
Simli in Pipecat caps a live session with max_session_length and max_idle_time. Sume has no session: an avatar job is a 4 to 60 second file.
AI clone from 2 minutes of video or one photo: what each needs
Tavus asks for two minutes of 1080p video and written consent. Sume Avatar 1.0 starts from a prompt, traits or one photo URL. The inputs compared, dated.
Digital twin vs AI replica vs AI avatar: which word is right?
Tavus says an AI copy of a person is not a digital twin. Four system types in one table, and where a Sume Avatar 1.0 handle sits among them.
Interview video with one AI avatar host and guest cards on screen
A final avatar video holds one avatar, so an interview needs a host clip plus guest stills. Use Timeline compose at $0.02 a shot to put a still beside the host.