Comparisons
Sume compared with other video and generative-media platforms. Each post uses the vendor's own pages, read on the date the post states.
Runway GWM Worlds 2 is real-time 720p; Sume video jobs are async
Runway's GWM Worlds 2 (Sept 3) streams steerable 720p 24 fps video in real time. Sume video is submit-and-poll jobs; here is when each fits.
Hedra Elements library vs Sume avatar handles: reusing one character
Hedra lists Elements as a library of characters, outfits and environments. Sume reuses a character through an avatar handle created once. How the two differ.
Creatify Boreal-H3 runs 5 to 15 s; Sume H3 Max lip sync stops at 14.8
Creatify's changelog lists Boreal-H3 at 5 to 15 seconds. Sume's H3 Max lip sync accepts 5 to 14.8 and rejects 15. How to trim a 15.0 s line, and the cost.
Vidu Q4 Preview makes 16 s clips: which Sume rows go past 10 s?
Vidu Q4 Preview runs 3 to 16 seconds. On Sume, Wan 3.0 (2 to 30 s) and Seedance 2.5 (4 to 30 s) go past 16; Omni stops at 10 s. Prices for 16 s inside.
Fireflies Talk dictation vs transcribing a recorded file by API
Fireflies Talk is free, unlimited desktop dictation. A recorded file needs a different tool. How to tell which you need, and what Sume STT costs for the file.
Does dictation audio leave your device? Fireflies, Phonon-2, Sume
Fireflies Talk keeps finished dictations local but sends audio to its STT provider. Phonon-2 runs on device. Sume STT is hosted. A sourced privacy comparison.
Phonon-2 (164 MB, English) or hosted Sume STT for a 10-minute file?
Phonon-2 is a free 164 MB English-only on-device model. Sume STT is hosted, multilingual, about 1 cent a minute. When each fits, with sourced numbers.
JSON2Video credits per second and 4K at 4x vs Sume Timeline
JSON2Video deducts one credit per video second and four times that for 4K. Sume Timeline charges $0.10 per rounded output minute. What a minute costs on each.
Placid 1 credit and Bannerbear 2 per video second vs Sume
Placid charges one credit per second of video and Bannerbear two per second of animation. Sume Timeline charges $0.10 per output minute. Convert them.
Hedra's developer API is in private beta; the Sume routes open to call
Hedra lists its developer API as a private beta. Sume documents its avatar routes publicly: lip sync, Fabric, talking video, motion control. Routes and limits.
Vidu Q4 Preview aspect ratios vs Sume video rows: who offers 21:9, 4:3
Vidu Q4 reference-to-video lists 1:1, 9:16, 16:9, 3:4 and 4:3. On Sume Seedance and H3 add 21:9, Kling 3 has three ratios, and Omni only two. No row lists 4:5.
Five Sume image models are text-only. What to use with a photo
Soul, Imagen 4 Fast and Ultra, Recraft V4 and Qwen Image Max take no reference images on Sume. Price and ratio of each, plus the cheapest edit-capable swap.
Vidu Q4 Preview takes 3 audio references: which Sume rows take audio
Vidu Q4 Preview accepts up to 3 mp3 voice references of 3 to 12 s. On Sume, Seedance 2.x, Wan 3.0 and the MiniMax H3 rows take audio references; Omni does not.
Veo 3.1 object insert and remove vs Sume's Omni video edit
Google lists object insert and removal in Veo 3.1. Sume has no Veo row; its edit mode is Gemini Omni Flash 1.1 with video_url on Video Router.
Synthesia dubbing at 80 credits a minute vs a Sume lip-sync chain
Synthesia lists dubbing with lip-sync at 80 credits a minute. A 10-minute dub on Sume chains audio detach, TTS and lip-sync segments. Costs by step.
Vidu Q4 Preview renders 4K for 16 s; on Sume only Omni lists 4K
Vidu Q4 Preview lists 540p to 4K with 10-bit colour. On Sume only Gemini Omni Flash 1.1 lists 4K, for 3 to 10 s at $0.375 a second.
Runway Characters is real-time; Sume Avatar video is a 4-60 s job
Runway Characters makes a real-time conversational video agent from one image. Sume Avatar 1.0 renders a scripted talking video of 4 to 60 seconds.
Vidu Q4 audio on or off vs Sume generate_audio by video row
Vidu Q4 Preview makes sound with the picture. On Sume, Kling 3 charges more with audio on; Omni and H3 always make audio, and Omni rejects generate_audio false.
Hedra Omnia: one image plus audio, and Sume's lip-sync route
Hedra lists Omnia as full-body animation from one image and audio. Sume's H3 Max lip-sync route also takes a still and audio. Inputs and price compared.
Synthesia Pro's 6,000 to 48,000 credits in minutes of dubbing
Synthesia's Oct 1 plans list Pro at 6,000 credits and 12,000 to 48,000 on 2x to 8x tiers. At listed rates that is 75 to 600 minutes of lip-sync dubbing.
Fliki API needs Premium; Sume lists API rate limits on Free too
Fliki says API access is on Premium and Enterprise only. Sume's docs list API key rate budgets from Free through Scale. What that means for cost.
Synthesia's 500 signup credits: 5 minutes of video or 1 survey reply
Synthesia lists 500 signup credits: about 5 minutes of video, 6 of lip-sync dubbing or 1 survey response at its listed rates. The same time on Sume in dollars.
Cost per viewer of a 20 second avatar clip at 10, 100 and 1,000 views
A rendered Sume avatar clip costs the same however many watch: $3.68 on standard. That is $0.368 per viewer at 10, $0.0368 at 100, $0.00368 at 1,000.
Griffin-Lite 10 ms audio packets vs Sume's 4 second minimum clip
Two ends of avatar timing: Tavus Griffin-Lite streams audio in packets as small as 10 ms; Sume Avatar 1.0 plans clips of 4 to 12 seconds. What each fits.
HappyHorse 1.1 is 12th at 1,042 Elo: what ranks above it on Sume
HappyHorse-1.1 is 12th on the AA text-to-video board at $10.80 a minute. Sume does not list it; six Sume models rank above it. Per-minute prices inside.
Is Wan 3.0 an upgrade on Wan 2.7? 113 Elo more on the AA editing board
On the AA video-editing board Wan 3.0 (1,187, $12.00 a minute) beats Wan 2.7 (1,074, $16.90) by 113 Elo. Sume lists Wan 3.0, not 2.7; it runs 2 to 30 s.
Kling 3.0 Omni is 9th for video editing at 1,000 Elo: Kling 3 on Sume
Kling 3.0 Omni (1080p Pro) is ninth on the AA video-editing board at $10.91 a minute. Sume lists kling-3 for generation: $8.40 or $12.60 a minute, 4 to 15 s.
Luma Ray 3.2 video-to-video: 20 s, 64 keyframes, vs Omni edit on Sume
Luma's Ray 3.2 video-to-video keeps the source length up to 20 s and takes up to 64 keyframes. Sume does not list Luma; its edit route is Gemini Omni Flash 1.1.
Seedance 2.5 leads 2.0 by 27 Elo on text-to-video, not image-to-video
Seedance 2.5 leads 2.0 by 27 Elo on AA text-to-video and 75 on editing, but 2.0 is fifth on image-to-video and 2.5 is not in the top 12. Sume prices both.
Seedance 2.5 or Wan 3.0 for text-to-video: 13 Elo, 2.8x the price
Wan 3.0 beats Seedance 2.5 by 13 Elo on text-to-video and 36 on editing, at $12.00 against $34.12 a minute. Pick by length, price and inputs.
Shopify image limit 20 MB / 25 MP vs GPT Image custom sizes on Sume
Shopify caps images at 20 MB and 25 MP. Sume's GPT Image custom size tops out at 8,294,400 px (3840 edge), so file size, not megapixels, is what you hit.
Shopify's 5 recommended video ratios vs what each Sume model makes
Shopify recommends 16:9, 9:16, 4:3, 3:4 and 1:1. Seedance, MiniMax H3 and Wan 3.0 cover all five; Kling 3 lacks 4:3 and 3:4, and Gemini Omni Flash only has 2.
Veo 3.1 price as a multiple of Sume's Omni rate: 3.2x, 0.8x, 0.4x
At 720p Veo 3.1 Standard is 3.2x Sume's Omni rate, Fast is 0.8x and Lite 0.4x. The ratios at 1080p and 4K are in one table, with the Oct 22 caveat.
Within 30 Elo of Wan 3.0 for less: MiniMax H3 and H3 Max on Sume
MiniMax H3 (1,137) and H3 Max (1,130) sit 19 and 26 Elo behind Wan 3.0 on the AA board. Sume bills $4.50 and $6.00 a minute at 768p; Wan is $7.50 at 720p.
Avatar face swap or talking video: recorded presenter vs scripted one
Sume has two ways to put an avatar on screen: face swap onto a 4 to 15 second source clip you recorded, or a script-driven talking video. How to choose.
Griffin-Lite inputs vs a Sume talking-video request, side by side
Tavus describes a reference image plus streaming audio and controls; Sume takes an avatar handle, a script and a tier. The two request shapes compared.
MP4 is on both lists: YouTube uploads and TikTok non-Spark ad formats
YouTube accepts 16 formats and TikTok non-Spark ads list five. MP4 and MOV are on both. Sume Timeline and trim return MP4, so one file serves both.
Sora: 184 days' notice, no replacement. Veo previews: Omni named
OpenAI gave 184 days between its Sora notice and shutdown and named no replacement. Google's Veo 3.1 preview table names gemini-omni-1.1-flash.
Talking head video vs conversational avatar: three things you get back
A talking-head video is a file; a conversational avatar is a session. Three differences, with Sume Avatar 1.0 and Tavus Griffin-Lite as examples.
TikTok Spark vs non-Spark ad length: no restriction vs 10 minutes
TikTok's spec page lists no duration restriction for Spark Ads and up to 10 minutes for non-Spark. Format, size and caption differences, and Sume output.
Is 1080p worth it for 30 s AI shots? 2.46x on Seedance, 2x on Wan
On Sume, 1080p costs 2.46 times 720p for a 30 s Seedance 2.5 clip and exactly 2 times on Wan 3.0. A rule for choosing the resolution.
One 30 s shot or three 10 s shots: same price on Seedance 2.5
On Sume, three 10 s Seedance 2.5 shots cost the same as one 30 s shot within 1 cent, plus $0.10 to join them. So cut by story, not by price.
MAI-Voice-2.1 and MAI-Transcribe-2: what Sume lists for voice and STT
Microsoft AI's news page names MAI-Voice-2.1 and MAI-Transcribe-2. Sume lists neither; it lists Sonic TTS (38 micros a character) and STT at $0.01 a minute.
A 20-second single shot: only Seedance 2.5 and Wan 3.0 take it
Only two Sume video models accept a 20 s request: Seedance 2.5 ($11.56 at 720p) and Wan 3.0 ($2.50). Prices at all three resolutions.
At 768p, H3 Max undercuts H3 once references pass the free five
At 768p H3 Max lists $0.02 more per second than H3 but has no per-image fee. See at which image counts and lengths H3 Max becomes the cheaper row on Sume.
Seedance 2 Mini vs Fast: a steady 1.6x price over 500 clips
Seedance-2-fast costs about 1.6x seedance-2-mini on Sume at every resolution: $210 more over 500 clips at 480p, $450 at 720p, $1,020 at 1080p.
Is MAI-Voice-2.1 on Sume? What the TTS Router lists instead
No. Sume's TTS Router lists five Sonic ids, each up to 20,000 characters at the same price. MAI-Voice-2.1 and Flash are not in the catalog.
sume/auto or a pinned image model: what the response shows
With sume/auto, job.model stays sume/auto, the model list omits it and the family is never named. A pinned id echoes back as requested.