Gemini voice replication: the 10-30 second clip and consent checklist
Gemini 3.8 voice replication needs a 10-30 second clean clip and a spoken consent statement. A checklist, and why a Gemini voice name will not work on Sume.
Models
The models behind Sume's video, image, speech, and music endpoints: ids, clip lengths, resolutions, aspect ratios, audio, references, and migration.
Start with: What AI models does Sume support? Every model id, by API surface
Higgsfield Soul on Sume: 1080p portrait covers at $0.0075 each
Soul bills $0.005 at 720p and $0.0075 at 1080p on Sume, makes 1 or 4 images, and lists 3:4 and 9:16. Fine for cover drafts, text-to-image only.
Flux 2 Flex vs Flux 2 Pro on Sume: $0.0625 vs $0.0375 per image
Sume's catalog lists Flux 2 Pro and Flux 2 Flex with the same 13 ratios, edit support and 4-image cap. The difference is price: 1.67x. How to test it.
Seedance 2.5, Seedance 2 or fast: pick the model for episode length
On Sume, Seedance 2.5 does 4-30 s, Seedance 2 does 4-15 s, and fast and mini top out at 720p. How the episode length picks the model, with the catalog call.
Grok Imagine Video 1.5 for episode teasers: key art to 4-15 s
Sume lists Grok Imagine Video 1.5 as image-to-video only, 480p or 720p, 4-15 s. Use it to animate one key-art still into a teaser, not to cast a scene.
Gemini Omni Flash 1.1 limits for a Sora remix: 10 images, 3 videos
gemini-omni-flash-1.1 on Sume takes 10 reference images, 3 videos of 3 seconds each, and a 20000 character prompt. Tokens like <IMAGE_REF_0> point at inputs.
Seedance 2.5 on Sume: $14.22 at 1080p, $5.78 at 720p for 10 seconds
A 10 second 16:9 seedance-2.5 clip bills $2.69 at 480p, $5.78 at 720p, $14.22 at 1080p on Sume. Pixels rise 2.25x and the token rate 9%, so price rises 2.46x.
Which video models does Sume list in October 2026? Twelve ids
Sume's video catalog has twelve ids, from seedance-2.5 at 30 seconds to gemini-omni-flash-1.1 at 4K. Length and resolution for each; Veo 3.1 is not listed.
Wan 3.0 reference limits on Sume: 10 images, 5 videos, 5 audios
wan-3.0 accepts up to 10 reference images, 5 videos (15 seconds total, 16 fps or more) and 5 audios (15 seconds total). What to trim when porting Sora inputs.
MiniMax H3 reference images on Sume: first 5 free, then $0.10 each
minimax-h3 on Sume takes up to 9 reference images, 3 videos and 3 audios (12 total). The first 5 images cost nothing; each further image bills $0.10.
Which Sume video models take a source video_url? Edit, transfer
Only three Video Router rows accept a video_url source: gemini-omni-flash-1.1 (edit), higgsfield-genjutsu (motion transfer) and h3-max-recast (person swap).
Seedance 2.0 mini, fast, standard vs 2.5: price of a 15-second clip
A 15-second 720p clip on Sume costs $2.84 on Seedance 2.0 mini, $4.54 on fast, $5.67 on standard and $8.67 on 2.5, before the 5.5% fee. Arithmetic shown.
Sume TTS Router: send sonic-3.6, sonic-latest or sonic-preview?
The Sume TTS Router has five Sonic ids. sonic-3.6 is stable, sonic-latest resolves to it, and sonic-preview is a beta that rejects pro voice clones.
Gemini custom voices: 200 per project, 1-year expiry, 7-day voice keys
Gemini 3.8 TTS stores up to 200 prompted or replicated voices per project. Voices expire after a year and voice keys after 7 days. What to plan for.
21:9 cinematic AI video API: which Sume models accept ultrawide
Seedance 2.5, Seedance 2.0, MiniMax H3 and H3 Max accept 21:9 on Sume. Kling, Wan, Omni and Grok do not. A 5-second H3 Max 768p clip is $0.50.
Seedream 4.0 vs 4.5 vs 5.0 Lite on Sume: price, ratios, model ids
Three Seedream rows are listed on Sume: 4.0 at $0.0325, 4.5 at $0.05, 5.0 Lite at $0.04375 billed. Ratios, ids, edit support and the 4-image cap compared.
Imagen 4 Fast vs Ultra on Sume: $0.025 vs $0.075, text-to-image only
Imagen 4 Fast bills $0.025 and Ultra $0.075 on Sume. Both are text-to-image only with five ratios and no 4:5. Ultra adds 1K and 2K tiers. What that means.
Which Nano Banana models can you call on Sume? Google lists five
Google's Gemini API lists five Nano Banana models; Sume's image catalog lists two, Nano Banana 2.1 and Pro. Nano Banana 2 ids still run, as 2.1.
Should a Shorts season use sume/auto or a pinned video model?
Pin one model per season so episodes look alike. Use sume/auto for pilots and one-offs where a consistent look is not required.
Is there a seed to keep Shorts characters the same across episodes?
No. No video model in Sume's catalog accepts a seed, and the docs say a seed is not deterministic on all providers. Use references and first frames instead.
Keep a Shorts series consistent with Omni Flash video references
Gemini Omni Flash 1.1 on Sume accepts image and video references for 3 to 10 second clips. Feed the last episode's clip in as the next one's reference.
Does Wan 3.0 allow 2-second clips for a Shorts cold open?
Yes. Wan 3.0 on Sume accepts 2 to 30 seconds per call, so a 2-second cold open at 720p is $0.25, and it is the cheapest hook test in a season.
Fix one detail in a Shorts episode: Omni Flash edit or re-roll?
Gemini Omni Flash 1.1 can edit an existing clip through video_url instead of regenerating it. A fresh 10-second re-roll at 720p costs $1.25 on Sume.
Recast the actor in a short video with AI: H3 Max Recast, TikTok rules
H3 Max Recast swaps the people in a 5-30 s source video for 1-4 photos you supply. TikTok's Shop pages ban impersonating public figures and need AI disclosure.
Fix a wrong product color in an AI clip with Gemini Omni Flash edit
TikTok Shop bans AI that changes a product's color, size or material. Gemini Omni Flash 1.1 on Sume edits one clip from a prompt instead of re-rolling it.
AI voice news, week of Oct 7, 2026: what changed for voiceover teams
Microsoft MAI-Voice-2.1, Decagon Chord and Voice 3, Gemini 3.8 TTS price step and Voxtral TTS: a dated list of what to act on this week.
MAI-Voice-2.1 or Flash for narration? Microsoft's own guidance
Microsoft lists MAI-Voice-2.1 for long-form narration and Flash for agents. The prices, the latency claims and which one to test first for voiceover.
Which Sume video models take 30 seconds: four ids in the catalog
Four ids in Sume's video catalog reach 30 seconds: seedance-2.5, wan-3.0, higgsfield-genjutsu and h3-max-recast. Which make a clip from a prompt.
Shortest AI video on Sume: Wan 3.0 at 2 s, Seedance 2.5 at 4 s
Wan 3.0 takes 2-second clips on Sume; Seedance 2.5 starts at 4 s. A 2 s Wan clip at 480p is $0.125 on Sume. Duration floors across the catalog.
Which AI video models take an audio file as a reference on Sume?
MiniMax H3 and H3 Max, Wan 3.0 and the Seedance 2.x rows accept audio references on Sume; Omni and Kling do not. H3 limits: 3 clips, 2-15 s each, 15 s total.
Omni replaces Veo in the Gemini app: does your API code change?
Google's page says Omni replaces Veo in the Gemini app. What that means for API code, and the one Omni row Sume lists, with its limits and per-second price.
MiniMax says H3 edits across modalities. Which Sume row edits a clip?
MiniMax lists reference and editing across modalities for H3. On Sume, H3 does text, image and reference video; clip edit by prompt is Omni's video_url mode.
MiniMax H3 open weights: what is released and what stays API-only
MiniMax opened H3-Base on 2026-08-03 with two checkpoints, but 2K regeneration and Context-IR stay API-only. How that maps to Sume's minimax-h3 rows.
First Draft only cuts clips you have: generate the b-roll first
A starting edit needs footage. Generate 9:16 cutaways with Seedance 2.5 or Gemini Omni Flash 1.1 first: durations, aspect ratios and one Video Router call.
2026 video-model news in a dated table: which ones Sume lists
Kling 3.0 (Feb 5), Sora removal (Sep 24), Ray3.2 (Jun 9), MiniMax H3 (Jul 31), Tavus Griffin and more, with a column for whether Sume lists each model.
Kling 3.0 launched Feb 5: what Sume's kling-3 row accepts
Kling 3.0 launched 2026-02-05 with 15 s clips and storyboards. Sume's kling-3 takes 4-15 s at 720p or 1080p, start/end frames, optional audio, no references.
Wan 3.0 references on Sume: 10 images, 5 videos, 5 audios
Wan 3.0 takes more reference files per Sume job than Seedance 2.5: up to 10 images, 5 videos and 5 audios. How to send them and what the API rejects.
Seedance 2.5 references: ByteDance says 30 images, Sume allows 9
ByteDance describes up to 30 images, 10 video clips and 10 audio clips for Seedance 2.5. Sume's API request check caps one job at 9, 3 and 3, 12 files total.
Gemini Omni Flash 1.1 from a still: 16:9 or 9:16 only, cost 360p to 4K
A still-to-video handoff to Gemini Omni Flash 1.1 on Sume must be 16:9 or 9:16. A 5-second clip costs $0.1875 at 360p up to $1.88 at 4K.
Does Seedance 2.5 generate audio through the Sume API?
Yes: Seedance 2.5 on Sume has an optional generate_audio flag. ByteDance describes joint audio-video generation. What to send and how it is priced.
Wan 3.0 audio on Sume: generate_audio and audio references
Wan 3.0 on Sume can make its own audio with generate_audio or take up to 5 audio references. What to send, and how the 30-second price changes (it does not).
Cheapest model for a 5-second vertical hook with sound on Sume
For a 5-second 9:16 hook, Omni Flash at 360p is $0.19 and Wan 3.0 at 480p $0.31; at 720p both are $0.625, and Seedance 2.5 at 480p is $1.34.
Gemini 3.8 TTS: speech_metadata for a whole turn, tags for one moment
Gemini 3.8 Flash TTS styles delivery two ways: speech_metadata per turn and angle-bracket tags for a cough or pause. When to use which, and the Sume side.
Hy Image 3.5 Preview dated id 20260922: should you pin the snapshot?
The Hy Image 3.5 Preview listing carries a dated id ending 20260922. Pin it for repeatable edits; float only if you want improvements. How to decide.
Image aspect ratios per model: GPT 2.5 lists 8, Banana 2.1 lists 14
On Sume, ChatGPT Image 2.5 lists 8 aspect ratios, Nano Banana 2.1 lists 14, Ideogram 4.5 lists 15. A table of which ratios each model accepts, from the catalog.
Omni Flash 10-second clip price at 360p, 720p, 1080p and 4K
A 10-second Gemini Omni Flash 1.1 clip costs $0.375 at 360p, $1.25 at 720p, $1.875 at 1080p and $3.75 at 4K on Sume, with synced audio included.
Where can I use Gemini 3.8 TTS? API and Studio now, Enterprise later
Gemini 3.8 Flash TTS and Flash-Lite TTS availability from Google's launch page: Gemini API, AI Studio, Notebook, Vids, and what is still coming soon.
Ideogram 4.5 low, medium or high: a text grid to pick the tier
Run one headline through Ideogram 4.5 at low, medium and high on Sume, read the billed cost of each, and keep the cheapest tier whose text you can read.