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

Flux TTS expressivity -2 to 2 vs Sume's emotion guide
Deepgram's Flux TTS expressivity runs -2 to 2 (0 nominal). Sume TTS has no such dial: generation_config takes volume, speed and a free-text emotion guide.

Gemini 3.1 flash image preview shutdown: Sume model ids
Google lists gemini-3.1-flash-image-preview and gemini-3-pro-image-preview for June 25, 2026 shutdown. Sume callers use catalog ids like google/nano-banana-2.

Hedra Character 3 aspect ratios vs Sume Avatar Video ratios
Hedra Character 3 lists seven aspect ratios including 9:21 and 21:9. Sume Avatar Video supports five: 1:1, 3:4, 9:16, 4:3 and 16:9, default 9:16.

Ideogram 8K output resolution API vs Sume 512 to 4K tiers
Ideogram 4.0 takes output_resolution 1k, 2k, 4k or 8k as a pixel budget. Sume's image route takes a normalized 512, 1K, 2K or 4K tier.

Ideogram Z-Image resolution rules vs Sume image_size
Ideogram Z-Image takes WIDTHxHEIGHT, sides in multiples of 16, area up to 1,048,576 px. Sume uses 512/1K/2K/4K tiers and GPT Image 2.5 custom pixels.

Edits Restyle with a prompt vs Sume video router edit mode
Edits Restyle changes a clip's look from a text prompt. In Sume, send video_url to the video router with a prompt to use gemini-omni-flash-1.1 edit mode.

Edits audio vibe filter vs a Sume music prompt (no duration field)
Edits lets you filter audio by vibe like chill or bossy. Sume music takes a text prompt instead, with no duration, seed or temperature parameter to pin.

Kling 4.0 10-bit HDR at 1080p and 4K: what later edits keep
Kling says 4.0 outputs 10-bit HDR at 1080p and 4K. Sume's exact video_trim re-encodes to yuv420p; keyframe trims stream-copy. Verify before you grade.

Kling 4.0 five reference videos vs Sume's 1 to 3 video URLs
Kling 4.0 takes up to 5 reference videos, 30 seconds combined. Sume lists 1-3 reference_video_urls on the legacy shape and varies per model.

Midjourney edit model image references: 4 vs Sume's ranges
Midjourney's V8.2 edit model takes up to 4 image references. On Sume the ceiling is per model: GPT Image 2.5 takes up to 16. Read the descriptor first.

minimax/hailuo-3 on OpenRouter vs Sume minimax-h3 id
OpenRouter names the model minimax/hailuo-3. Sume uses bare catalog ids, so the matching id is minimax-h3, native 480p/768p, with 2K and 4K as priced upscales.

Qwen-Audio-3.0-TTS languages: 16, and Sume's language field
Qwen-Audio-3.0-TTS lists 16 languages. On Sume TTS you set the language field to a BCP-47 or ISO-639 code for every non-English transcript.

Seedance 2.5 480p: ratio 864:496 gives 854x480, Sume uses resolution
On Runway, Seedance 2.5 ratios 864:496 and 496:864 return 854x480 and 480x854. On Sume you ask for 480p with resolution plus aspect_ratio, never pixels.

Seedream 5.0 Flash: which Seedream 5 id Sume's catalog lists
Higgsfield added Seedream 5.0 Flash on Sep 23, 2026. Sume's image catalog lists seedream-5-lite and no Flash id. Check GET /v1/images/models before calling.

Vidu Q2 Pro Fast image-to-video 1080p vs Sume first frame
QwenCloud lists vidu/viduq2-pro-fast_img2video at 720P and 1080P. Sume has no Vidu id; send image_url as the first frame to a 1080p model.

Vidu Q3 ad reference-to-video vs Sume reference images
QwenCloud lists a Vidu Q3 ad reference-to-video model. Vidu is not in Sume's video ids; reference images work on models that list them.

Vidu Q3 drama character consistency vs Sume reference images
QwenCloud lists Vidu Q3 drama for character consistency. Vidu is not in Sume's ids; on Sume, references guide a clip, and frame_images win if both are sent.

Wan 3.0 Prime vs Wan 3.0: one wan-3.0 id on Sume
QwenCloud and Runway list Wan 3.0 and a Prime variant. Sume's catalog lists one id, wan-3.0, with 2-30 s clips. Check the catalog for limits.

Wan 3.0 is public after invite-only: check Sume's wan-3.0 id
QwenCloud says Wan 3.0 went from invite-only on August 6 to public. On Sume, wan-3.0 is a catalog id; check the live catalog for limits.

Creatify Aurora 2.0 max audio length: 59.7 s, and how to split
Creatify Aurora 2.0 takes up to 59.7 s of audio; Aurora v1 takes 5 minutes. Sume Avatar Video accepts 4-60 s per job, so split longer scripts across jobs.

D-ID V4 expressives sentiment_id vs Sume's emotion string
D-ID picks a delivery with a sentiment_id preset; Sume TTS takes a free-text emotion string plus a 0.6-1.5 speed multiplier. How each one is set.

FLUX 1.1 Ultra raw mode and 4MP: what Sume image size accepts
Raw mode and 4MP belong to BFL's FLUX1.1 [pro] Ultra endpoint. Sume lists FLUX.2 ids and sizes images with aspect_ratio, resolution tiers and image_size.

FLUX.1 Kontext pro vs FLUX.2 for edits: what to use on Sume
BFL calls FLUX.1 Kontext [pro] previous-generation and recommends FLUX.2 for edits with up to 10 references. On Sume, use flux.2-pro with input_references.

FLUX.2 klein 4B Apache 2.0 vs 9B non-commercial, and Sume ids
BFL releases klein 4B weights under Apache 2.0 and 9B under the FLUX Non-Commercial License. Sume's image catalog lists flux.2-pro and flux.2-flex, not klein.

FLUX.2 native-language prompts: Japanese or Korean vs English
BFL says native-language FLUX.2 prompts often look more culturally authentic. Send both versions to a Sume FLUX.2 id with n and compare the results.

Grok Imagine Video 1.5 text-to-video at 1080p: xAI vs Sume
xAI lists native 1080p text-to-video for grok-imagine-video-1.5. Sume's row is image-to-video only at 480p and 720p. How the two differ and what to send.

HappyHorse 1.1 API ids: 480P to 1080P, 3 to 15 seconds
Alibaba lists happyhorse-1.1-t2v, -i2v and -r2v at 480P, 720P or 1080P for 3 to 15 seconds. Sume's catalog docs name HappyHorse 1.1 as not in the v1 catalog.

Ideogram 4 custom_model_uri vs Sume catalog ids and sume/auto
Ideogram's custom-model endpoint picks a private model by custom_model_uri. Sume has no such field: you choose a catalog id or sume/auto. What to send instead.

OpenAI organization verification for GPT Image 2.5 and Sume ids
OpenAI says you may need API Organization Verification before using GPT Image models. Sume lists the same two models as openai/gpt-image-2.5 and -sunburst.

Recraft V4 Styles: 10 references, and the Sume Recraft id
Recraft V4 Styles takes one to 10 reference images in Precise or Flexible mode. Sume lists recraft/recraft-v4 as text-to-image only and rejects references.

Suno v6 change one lyric: what Sume Music does instead
Suno v6 can swap one lyric or line and keep the rest. Sume Music is brief-driven and documents no lyric editing, so you edit the brief and generate a new track.

Sync react-1 model_mode and emotion vs Sume TTS emotion and speed
Sync react-1 edits an existing video with model_mode lips, face or head plus an emotion prompt. On Sume, emotion and speed are set in the TTS audio request.

wan2.2-animate-move vs animate-mix, and Sume's motion transfer
animate-move drives a still character with a reference video; animate-mix swaps a character into a video. Sume's Genjutsu row covers the move-style case.

wan2.7-videoedit camera replication vs Sume's video_url edit
Alibaba names wan2.7-videoedit for effect and camera-movement replication. On Sume, video edit is the video_url field on the Gemini Omni Flash 1.1 id.

YouTube fhd, qhd, uhd thumbnails in the API: a 3840 AI image
YouTube's API notes fhd, qhd and uhd thumbnail keys for some videos. Sume's ChatGPT Image 2.5 image_size accepts a 3840 edge, enough for a 4K image.

ElevenLabs STT edit instructions vs Sume transcribe: what Sume returns
ElevenLabs added transcript-editing instructions up to 2,000 characters to its speech to text. Sume's transcribe endpoint returns a plain transcript.

ElevenLabs dialogue continuity vs Sume TTS segments: what differs
ElevenLabs Text to Dialogue links takes with previous_text and request ids. Sume TTS has no such fields; it returns gapless sentence segments instead.

Lyria 3 Clip vs Lyria 3.5: which one runs on Sume?
Google lists Lyria 3 Clip as a 30-second model and Lyria 3.5 as minutes long. Sume's Music Router routes lyria-3.5, lyria-3-pro or sume/music-auto.

Lyria 3.5 takes 131,072 tokens; Sume music prompts, 5,000 chars
Google lists a 131,072 token input limit for Lyria 3.5. Sume's music prompt field takes 1 to 5,000 characters. What fits and how to trim.

Lyria 3.5 takes up to 10 images; Sume music takes one image_url
Google's Lyria guide allows up to 10 images as input. Sume's music docs describe one optional public HTTPS image_url. What that changes.

Can I distribute AI music through TuneCore? Suno vs Sume tracks
Suno says tracks from its partner model can go out through Believe and TuneCore. That is a Suno feature. What it means if your tracks come from Sume.

Veo 3.1 only makes 16:9 and 9:16; which Sume video models add more
Google's Veo 3.1 supports 16:9 and 9:16. On Sume, Seedance, MiniMax and Wan add 4:3, 1:1 and 3:4, Kling adds 1:1, and Grok takes no ratio.

Veo 3.1 prompts cap at 1,024 tokens; Sume's Omni at 20,000 characters
Google caps a Veo 3.1 text prompt at 1,024 tokens. On Sume, gemini-omni-flash-1.1 documents a 20,000-character cap. Tokens and characters differ.

Which Sume video models accept an audio reference?
Seven Sume video models take reference audio: the four Seedance 2.x ids, Wan 3.0 and the two MiniMax H3 models. Kling, Grok and Gemini Omni Flash do not.

Which Sume video models accept a reference video?
Nine Sume video ids take a video input: the four Seedance 2.x ids, Wan 3.0, both MiniMax H3 models, Omni Flash and Genjutsu. Kling and Grok do not.

Anam Cara-4 anime and 3D avatar images vs Sume's photo input
Anam says Cara-4 animates anime and 3D character images. Sume's avatar API takes a prompt, profile or public HTTPS reference image and promises no style.

Anam Cara-4 Director Notes vs Sume scene prompts and silence
Anam Director Notes steer a live avatar with a style and an Expressivity control. Sume directs scenes with a prompt or photo, silence beats and a quality tier.

Anam Cara-4 portrait 768x1152 vs Sume 9:16 avatar at 720p
Anam Cara-4 renders natively at 768x1152 portrait. Sume's avatar video defaults to 9:16 at a fixed 720p, with plans estimated at 4-60 seconds.