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.

Grok Imagine Video 1.5: Runway's listing vs Sume's catalog row
Sume's grok-imagine-video-1.5 row is image-to-video only, 480p or 720p, 4 to 15 s, no audio flag. Runway's changelog lists text-to-video and audio.

MAI-Voice-2.1 or Flash for explainer narration: latency barely matters
Microsoft lists about 550 ms vs 45 ms model inference. For narration rendered ahead of time, pick on quality and price, then see how Sume jobs return audio.

Runway API credit rates for a 10-second clip, next to Sume's rows
At $0.01 per credit, Runway's API lists gen4.5 at $1.20 for 10 seconds and Veo 3.1 at $4.00. Sume rows: Wan 720p $1.25, H3 Max 768p $1.00. Not like for like.

Seedance 2.5 vendor features Sume does not document: a buyer checklist
Localized editing, 50 references, MOV output, 10+ languages: which Seedance 2.5 claims from BytePlus and Volcano Engine map to Sume docs, and which do not.

Suno terms: commercial use needs an approved Pro or Premier download
Suno terms limit free and basic outputs to personal use; Pro and Premier may use them commercially via an approved download. What that means for a video ad.

Omni is free in YouTube Shorts: when you need the API instead
Google rolls Omni Flash out free in YouTube Shorts and Create and to Gemini subscribers; the API bills per second. Where the free tools stop and an API starts.

ElevenLabs Music for a TV spot: two pages that do not agree
ElevenLabs music page says self-serve plans exclude film, TV and games; the API docs say cleared for film and TV. Get this in writing before a broadcast ad.

HeyGen Video Agent prompt-to-video vs a Sume script-driven avatar job
HeyGen's v3 quick start creates a video from a prompt and returns a session_id. Sume's avatar route takes a script and avatar handle and returns a job.

Kling O3 4K on Runway MCP: where 4K video comes from on Sume
Runway's Sept 18 changelog added Kling O3 4K to its MCP. Sume lists no Kling 4K row; its 4K options are Gemini Omni Flash 1.1 and priced MiniMax H3 upscales.

MAI-Voice-2.1 lists Korean, Thai, Vietnamese: Sume's language field
Microsoft's MAI-Voice-2.1 page lists 23 languages including Korean, Thai and Vietnamese. What to check before you plan a non-English voiceover on Sume TTS.

Runway API Seedance 2.5 vs Sume: 4 to 30 s, 480p to 1080p
Runway's API lists Seedance 2.5 at 4 to 30 seconds, 480p to 1080p. Sume's seedance-2.5 row has the same range; reference limits and billing differ.

Subtitles for a recorded video: 100 ms partials or final text?
MAI-Transcribe-2-Streaming sells 100 ms partials for live subtitling. For a recorded video, final text and word timings matter more. Choosing with Sume STT.

Synthesia API ratios include 4:5 and 5:4; Sume avatar video does not
Synthesia accepts 16:9, 9:16, 1:1, 4:5 and 5:4. Sume avatar video takes 1:1, 3:4, 9:16, 4:3 and 16:9, so 4:5 feed ads need a different plan.

Synthesia callbackId vs Sume Idempotency-Key for per-recipient videos
Synthesia suggests a customer email in callbackId to tie videos to requests. On Sume the per-recipient tag is your Idempotency-Key plus your own table.

Synthesia Pro has 5 personal avatars; Sume avatars are handles
Synthesia Pro lists 5 personal avatars and Enterprise unlimited. On Sume an avatar is a reusable handle made by a job, so plan your roster by brand.

Synthesia test videos are free; Sume previews first frames instead
Synthesia's API test flag renders free watermarked drafts. Sume has no test flag; avatar video previews approve first frames before the full render.

Tavus lists 1080p conversational video; Sume avatar clips are 720p
Tavus's pricing page lists 1080p and 24 kHz audio on all plans; Griffin-Lite renders 720p. Sume avatar videos are 720p today. What that means for your delivery.

Tavus Starter: 3 concurrent streams vs Sume bulk concurrency 1 to 16
Tavus Starter caps live conversations at 3 concurrent streams. Sume bulk runs queue up to 100 renders and keep 1 to 16 in flight. Different jobs.

Voice from a short clip: Voxtral 5-25 s, MAI, Sume avatar voice
How much reference audio Mistral and Microsoft ask for to match a voice, and how Sume selects a voice instead: avatar_id, avatar_handle or a voice id.

OpenAI Decisions API vs Sume auto routing: different jobs
OpenAI's Decisions API (limited preview) classifies requests into answers you define. Sume's auto routing picks a media model. Why a pipeline can use both.

MiniMax H3 768p 'half the price' claim checked against Sume rows
MiniMax says H3 at 768p costs under half of mainstream 720p. On Sume's own rows H3 768p is $0.075 per second against $0.125 to $0.14 at 720p. The numbers.

Veo 3.1 Standard charges the same at 720p and 1080p; Omni does not
Google bills Veo 3.1 Standard at $0.40 per second for 720p and 1080p. Omni 1.1 Flash on Sume goes from $0.125 at 720p to $0.1875 at 1080p. Read 2026-10-04.

Shopify's AI photo editor or an image API for a whole catalog
Shopify's file editor has built-in AI photo editing. When you have hundreds of SKUs for the holidays, here is when an image API like Sume's fits instead.

Lip Forcing video lip-sync: 37 GB GPU or a hosted API?
Lip Forcing is an open video-to-video lip-sync model that needs about 37 GB of GPU memory. What it does, what it asks of you, and the hosted alternatives.

MuseTalk's 256px face region: lip-sync quality to expect
MuseTalk is MIT-licensed and real-time on a V100, but it edits a 256 by 256 face region and its page warns of jitter. A guide to when that is enough.

Vmake AI Video Translator vs a Sume subtitle pipeline
Vmake's June 2026 video translator lists 14 languages, subtitle replacement, voice matching and lip sync. Which of those steps map to Sume endpoints today.

Eleven v4 inline tags like [whispers] vs Sume's emotion guide field
Eleven v4 steers delivery with inline tags in the text. Sume TTS has a separate emotion string, plus speed and volume. How to port a tagged script.

Eleven v4 Turbo 150 ms first speech vs Sume async TTS jobs
ElevenLabs quotes about 150 ms to first speech for v4 Turbo. Sume TTS is an async job, built for finished narration. Which one fits your use?

Grok STT smart_turn end-of-turn vs Sume STT sentence segmentation
smart_turn predicts when a speaker is done in live streams. Sume STT is batch and cuts sentences from word timings. Which one do you need?

Grok STT vad_threshold for quiet audio vs Sume STT, which has no gate
xAI added a vad_threshold knob to speech-to-text for quiet or noisy audio. Sume STT exposes no such gate; here is what you can tune instead.

Midjourney moodboards now take uploads: reference sets for Sume edits
Midjourney's October 1 changelog lets moodboard pages accept file uploads. To reuse a reference set in an API, store the URLs and send them as input_references.

Comfy Agent has no API in its launch post: Sume Agent Completions does
Comfy Agent runs in Comfy Cloud on credits, with up to 5 chats in parallel. If you need an agent you can call from code, Sume's Agent Completions is one.

Pocket TTS self-hosted vs hosted TTS: a break-even formula
Kyutai Pocket TTS is MIT-licensed but needs a server. Cost per audio hour is server price divided by speed. On Sume it is $0.0475 per 1,000 characters.

Recast, Omni edit, Genjutsu or a new shot: which ad variant method?
Four ways to make an ad variant on Sume, limits side by side: Recast swaps people, Omni edit changes by prompt, Genjutsu moves motion, a new shot starts over.

Avatar video with a product image: the extra cost per second
A product image adds $0.01 a second on standard, $0.013 on plus and $0.03 on max. At 30 seconds that is $0.30, $0.39 and $0.90 more than a productless clip.

Ten holiday ad tracks: Lyria 3.5 at Google's list vs Sume Music
Google lists Lyria 3.5 at $0.08 a song and Sume Music bills $0.125 a generation, so ten holiday ad tracks cost $0.80 or $1.25. Here is what the gap covers.

Recast one holiday ad for four markets: fal vs Sume cost
Four 15-second Recast runs cost $18.00 at fal's $0.30 a second and $22.50 on Sume at $0.375 a second, both at 768p. See the math and what the gap buys.

Revid Growth's 2,000 credits vs Sume per-second prices, 30 s
Revid lists 40 to 80 credits for a 30-second video, about $0.78 to $1.56 each on its $39 plan. Sume avatar video is $5.52 to $16.50 per 30 seconds.

Three-minute Shorts vs 60-second avatar clips: how to build one
YouTube allows Shorts up to 3 minutes, but a Sume avatar job tops out at 60 seconds. Three jobs plus a $0.30 Timeline join make 180 seconds for $33.42.

30-minute podcast: transcript plus summary voiceover cost by vendor
Transcribing 30 minutes and reading a 4,500-character summary aloud costs $0.12 on xAI, $0.20 on OpenAI, $0.21 on ElevenLabs and $0.51 on Sume. Math inside.

Live event transcription for 3 hours: real-time vs batch cost
Three hours of real-time transcription is $1.17 on ElevenLabs Scribe Realtime and $0.60 on xAI streaming; Sume's batch STT is $1.80 after the event.

Live voice agent or async TTS job? When Sume TTS is the wrong tool
Microsoft's MAI-Voice and transcription models list live paths like Azure Voice Live. Sume TTS and STT are async file jobs: fine for narration, not calls.

Nano Banana Pro on Runway at 20 credits vs Google direct pricing
Runway sells Gemini 3 Pro Image at 20 credits ($0.20) at 1K-2K and 40 at 4K; Google lists $0.134 to $0.24. That is 1.49x at 1K-2K and 1.67x at 4K.

Nano Banana 2 on Runway (5 to 16 credits) vs Google direct per image
Runway sells Gemini 3.1 Flash Image ($0.05 to $0.16); Google lists $0.045 to $0.151. The premium is 11% at the low end, 6% at the top.

Dub a 10-minute video into 12 languages: ElevenLabs vs STT+TTS chain
ElevenLabs dubbing a 10-minute video into 12 languages is $60 on v1 or $264 on v2. A Sume STT, TTS and Timeline chain is $17.23 plus your translation text.

MAI-Transcribe-2 timestamps option vs Sume STT: words[] are always on
On Microsoft's MAI-Transcribe you ask for word timestamps in modelOptions. Sume STT returns words[] with start and end on every job: what that changes for you.

Sora 2 is shut down: cost to re-render 200 clips on Sume models
Sora 2 and its API shut down Sept 24, 2026. Re-rendering 200 eight-second clips costs $100 to $400 on Sume models, versus the old Sora list of $160 to $1,120.

Wan 3.0 on Runway (5 to 20 credits a second) vs Sume at list x 1.25
Runway sells Wan 3.0 at 5, 10 and 20 credits a second ($0.05 to $0.20). Sume bills list x 1.25: $0.0625, $0.125, $0.25. A 10-second 720p clip is $1.00 vs $1.25.