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 mid-video frame pin vs Sume's first and last frames
xAI lets Grok Imagine 1.5 pin first, last and mid frames. Sume's Grok row takes one start still; this maps pinning to Sume rows with first and end frames.

Synthesia API rate limits by tier vs Sume's queue and 429s
Synthesia caps writes at 60 to 120 a minute by tier and answers 429. Sume queues accepted jobs and returns queue_full or rate_limited. Read 2026-10-10.

Poster headline in the image: Ideogram 4.5 or Nano Banana 2.1 on Sume?
Both vendors pitch readable text in images. On Sume, Ideogram 4.5 starts at $0.0375 and Nano Banana 2.1 at $0.075. Compare price, ratios and reference limits.

Nano Banana 2.1 or Pro for ad creative? 2.1 at 2K beats Pro at 1K
On Sume, Nano Banana 2.1 at 2K is $0.15, less than Pro at 1K ($0.1875). 2.1 also lists 1:4, 4:1, 1:8 and 8:1 banners that Pro lacks.

Meta image expansion or a native 9:16 Sume image for Reels ads?
Meta can expand a creative to 9:16 with generative AI for Reels ads. A native 9:16 image from Sume keeps the composition you chose. When each fits.

Scribe v2 audio-event tags and 32 speakers vs Sume STT's fixed flags
ElevenLabs Scribe v2 tags audio events and separates up to 32 speakers. Sume STT fixes diarize and tag_audio_events server-side, so those toggles do not exist.

Luma Ray 2 5-second keyframes: Sume rows with start and end frames
Luma's API makes Ray 2 clips up to 5 s from start and end keyframes. Sume has no Luma row; these Sume rows accept both frames and cover a 5-second clip.

Hedra batch_size 1-8 variations vs Sume's one job per request
Hedra's API returns 1 to 8 variations per request; Sume avatar videos are one job each. How to get variations on Sume with previews and keys (read 2026-10-10).

D-ID audio talks: 15 MB, 5-10 minutes vs Sume's 4-60 s script
D-ID takes up to 40,000 characters of text or 15 MB of audio for a talk. Sume takes an English script of 4 to 60 seconds. Which input fits (read 2026-10-10).

Gemini TTS has 30 prebuilt voices; Sume TTS takes avatar voice ids
Google's Gemini TTS page lists 30 prebuilt voices. Sume TTS takes a voice UUID or voi_ id, or an avatar whose voice.status is ready; cloning stays app-only.

Voxtral Mini 4B Realtime Arabic: open weights vs a Sume STT job
Mistral's Arabic streaming model arrived Oct 8 as Apache 2.0 weights, not a service. For Arabic transcripts without hosting, Sume STT takes language_code ar.

OpenAI TTS has Opus, AAC and FLAC; Sume TTS has MP3, WAV and raw
OpenAI's speech API lists six output formats. Sume TTS 1.0 returns MP3, WAV or raw PCM, so Opus, AAC and FLAC need a conversion step after generation.

MAI-Voice-2.1 pricing vs Sume TTS: what Sume lists, what it does not
MAI-Voice-2.1 costs $22 per 1M characters per Microsoft AI. Sume does not list MAI; its TTS runs Sonic voices at $47.50 per 1M characters.

ElevenLabs Music is cleared for nearly all commercial uses: verify
ElevenLabs says Eleven Music is cleared for nearly all commercial uses, with plan differences in separate terms. Check them against your use before publishing.

ElevenLabs Music 3 s to 5 min vs Sume Music: how to set length
ElevenLabs Music takes 3 seconds to 5 minutes. Sume Music has no duration field and rejects one: set length in the prompt or trim the result afterwards.

Suno Italy probe: four terms clauses to check before ad music
Italy's AGCM opened a probe into Suno's terms on Oct 6, 2026. The four flagged clauses, and what to check in any AI music tool before putting a track in an ad.

Grok Imagine's 3 voice references vs Sume reference-audio rows
xAI's Grok Imagine 1.5 takes up to 3 voice references. Sume's Grok row takes none; Seedance, Wan 3.0 and MiniMax accept reference audio under limits.

Runway model routers vs sume/auto: what you can steer
Runway's routers pick a model by cost, latency or quality. Sume's sume/auto takes no preference, limits clips to 3-10 s and never names the family.

Grok Imagine Lite draft plus Sume upscale: what a 10 s clip totals
xAI lists Lite at $0.020 per second and 1.5 at $0.080. Add Sume video upscale at $0.009 per input second and a 10 s clip totals $0.29. Read 2026-10-10.

TikTok ad profile photo is 98x98 under 50 KB: what Sume cannot output
TikTok in-feed ads want a 98x98 px profile photo under 50 KB. No Sume route outputs that size, so generate the picture and resize it outside Sume.

Qwen Image Max vs Qwen Image on Sume: 3.75x the price, no references
On Sume, Qwen Image Max bills $0.09375 per image and is text-only, while Qwen Image bills $0.025 and takes up to 10 references. Both list 13 aspect ratios.

Seedance 2.5 on Runway and on Sume: same 30 s, different pricing unit
Runway lists Seedance 2.5 up to 30 seconds from $0.20 per second. Sume bills tokens: about $2.69, $5.78 or $14.22 for 10 s at 480p, 720p, 1080p.

Hedra Character 3 vs Sume Avatar 1.0: per-second cost, 30 and 60 s
Hedra lists Character 3 at 2.5 to 6.25 cents per second; Sume Avatar 1.0 is $0.184 to $0.55 per second at 720p. Totals at 30 and 60 s (read 2026-10-10).

How long do Sume webhooks retry? About three hours vs Stripe
Sume makes up to 10 delivery attempts with exponential backoff capped at an hour, about three hours in all. Stripe retries for up to three days in live mode.

Vidu Q4 clip lengths 3 to 16 s vs every Sume video row's limits
Vidu's image-to-video page allows 3-16 seconds. Sume has no Vidu row; this table maps that range to each Sume row's minimum and maximum, and who reaches 16.

Wan 2.7 custom audio (2-30 s) vs Sume Wan 3.0 audio references
Alibaba's Wan 2.7 takes a custom WAV or MP3 of 2-30 seconds. Sume's Wan 3.0 accepts up to 5 reference audio clips, 15 seconds in total, with an image or video.

Which audiobook stores accept AI narration? ACX, Apple, KDP, Spotify
ACX bans unauthorized AI narration, Apple narrates for you, KDP is an invite beta, Spotify wants a disclosure. Read 2026-10-10, plus where Sume TTS audio fits.

Auphonic audio cleanup vs Sume audio detach: different jobs
Auphonic cleans and levels audio; Sume audio detach only pulls the track out of a video as wav or mp3. Compare billing, limits and where each belongs.

Elai 75+ languages vs Sume Avatar 1.0 English-only
Presenter video in many languages? Elai lists 75+ languages and 80+ avatars; Sume Avatar 1.0 is English-only. What fits, and what Sume still does around it.

Gemini Skills replace Gems: a saved workflow you call by API
Google is replacing Gems with Skills, reusable instructions in the Gemini app. For a saved video recipe your backend can call, Sume Formats take a POST.

Gladia diarization vs Sume speech-to-text: what you can switch
Gladia lists speaker diarization and word timestamps on every plan. Sume STT always returns word timings but fixes diarization server-side, with no switch.

Google Vids point-in-time editing: timed text via Sume cues
Google Vids now shows only what is on screen at the playhead. Sume has no canvas, but caption cues with start and end place timed text by API.

Narakeet Markdown-to-video API vs Sume Timeline render
Narakeet turns a Markdown script into a narrated video; Sume Timeline assembles audio you already have with clips. Limits, rates and how to combine them.

NVIDIA Magpie TTS for voice agents vs Sume TTS 1.0: which to use?
Magpie TTS is an open-weights, low-latency model for live voice agents in 12 languages. Sume TTS is async and non-streaming. How to choose, read 2026-10-10.

NVIDIA Parakeet v3 or Canary v2 vs a hosted STT API: Sume STT 1.0
Parakeet TDT v3 and Canary 1B v2 are open ASR models for 25 European languages. When to self-host them and when Sume STT at $0.01 a minute is enough.

Sonix SRT and VTT export vs Sume burned-in captions
Need a subtitle file? Sonix exports SRT and VTT; Sume video captions return a captioned video, not a sidecar file. Compare outputs, languages and $0.20 jobs.

Sony Woosh sound effects model: does Sume have SFX or video-to-audio?
Sony AI's Woosh makes sound effects and video-to-audio. Sume has no SFX route; it offers video models with native audio, plus music stings. What to use instead.

Suno Speech makes voice and music in one pass. What does Sume do?
Suno's Speech beta (Oct 1, 2026) makes voice and music as one track. Sume has no such model; it layers TTS, Music and a Timeline soundtrack. Trade-offs inside.

Upscayl free desktop 16x vs Sume image upscale API at 4x
Upscayl is a free open-source desktop upscaler; Sume's image upscale is a $0.20 API call capped at a 4x factor. How to choose for a batch of photos.

Voicemaker 3,000-character cap vs a 20,000-character Sume TTS call
Voicemaker caps each conversion at 3,000 to 10,000 characters by plan; Sume TTS accepts up to 20,000 characters per request. What that means for long scripts.

Context stitching and streaming TTS: Eleven v4 vs Sume async jobs
Eleven v4 lists context stitching and bidirectional streaming. Sume TTS is async and non-streaming, so keep a section in one job and join sections.

Laugh and sigh tags in TTS: Gemini 3.8 tags vs Sume's emotion field
Gemini 3.8 TTS takes inline tags such as laugh, sigh and breath. Sume TTS documents an emotion hint, speed and volume instead; test tags on one short job.

Max AI video length: Runway Gen-4.5 10 s vs Sume's 30-second rows
Runway's Gen-4.5 runs 2 to 10 seconds and Omni 3 to 10. Sume's Wan 3.0 and Seedance 2.5 reach 30. Longest single clip by model, with the sources.

Veo 3.1 takes 3 reference images; Omni on Sume takes 10 plus 3 clips
How many reference images does Veo 3.1 accept, and how many does Gemini Omni Flash take on Sume? Limits, tag syntax and a request example.

Runway Model Router vs sume/auto: how each picks a video model
Runway's Model Router saves a cost, latency or quality config and reuses it by configId. Sume's sume/auto picks the family and never says which. Differences.

Codex custom Responses provider: can it point at Sume?
Codex CLI 0.162.0 adds custom Responses-compatible provider config. Sume's Agent Completions is not a model endpoint; use Sume's hosted MCP from Codex instead.

Gemini Omni Flash on Runway is 720p only; Sume sells 360p to 4K
Runway's Omni Flash model outputs 720p at 10 credits a second. Sume offers four resolutions of the same Google model. Which to use for drafts and finals?

Price per second, 720p and 1080p: Vidu Q4, Omni, Wan 3.0, Seedance 2.5
One table of the new video models at 720p and 1080p: fal list rates read Oct 9, 2026 beside what Sume bills (list x 1.25). Vidu Q4 is not in Sume's catalog.