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.
HappyHorse 1.1 lists 9 aspect ratios; Omni on Sume lists 2
HappyHorse 1.1 reference-to-video offers nine ratios, from 9:21 to 21:9. Gemini Omni Flash offers 16:9 and 9:16. How to check a Sume model's ratios first.
Runway Gen-4.5 vs Luma Ray3.2: price of a 5 and 10 second clip
Runway lists Gen-4.5 at 12 credits a second ($0.12). Luma lists Ray3.2 per block: $0.30 for 5 s at 720p and $0.90 for 10 s. Here is the full grid.
Runway lists Wan 3 and Seedance 2: 10-second price vs Sume
Runway's API sells wan3 at 10 credits a second at 720p and seedance2 at 36. Here is the 10-second price at each resolution next to Sume's list rows.
Switching Fabric to H3 Max Lip Sync: 6 s, 12 s and 20 s clips compared
Fabric and H3 Max Lip Sync share a body on Sume, so switching is a URL change. At 6 s H3 768p is $0.60 vs Fabric 720p $1.125; at 20 s H3 Max is not eligible.
One provider behind Hy Image 3.5 Preview vs Sume's one image endpoint
OpenRouter forwards Hy Image 3.5 Preview to one provider, Tencent Cloud. Sume's image API serves every model from one endpoint. What each means for routing.
MAI-Voice-2.1 voice cloning is gated; how Sume TTS picks a voice
MAI-Voice-2.1 clones a voice from a 5 to 60 second clip but needs gated access. Sume TTS selects voices by avatar or voice id and has no reference-audio field.
FLUX.3 Image vs Seedream 5 Lite: price per image at 1K, 2K, 4K
BFL lists FLUX.3 Image at $0.048 (1k), $0.100 (2k) and $0.607 (4k). Sume lists Seedream 5 Lite at $0.04375 and no FLUX.3. Full grid and 1,000-image totals.
Sume TTS is a job, not a stream: cost and fit for a voice agent reply
A 45-second spoken reply is about 675 characters: $0.0320625 on Sume TTS, $0.010125 on MAI-Voice-2.1-Flash. Sume returns a finished file, not a live stream.
MAI-Voice-2.1 lists 23 languages; how Sume TTS sets its language
Microsoft lists 23 languages and 26 locales for MAI-Voice-2.1. Sume TTS takes one language field, defaults to English and asks you to confirm a voice mismatch.
Nano Banana 2.1 vs GPT Image 2.5: 4.04x at 1K, 0.9x at 4K
On Sume, Nano Banana 2.1 costs $0.10 at 1K and $0.20 at 4K; GPT Image 2.5 costs $0.02475 low and $0.2225 high. The ratio flips between 2K and 4K.
Sora API removed, no replacement listed: pick a Sume video id
OpenAI removed the Videos API on 2026-09-24 and lists no replacement. Pick a Sume video model by duration cap and the price of an 8-second 720p clip.
YouTube AI label: three auto-detection signals and Sume outputs
YouTube may label video automatically for its GenAI tools, C2PA metadata or internal detection. Sume docs do not mention C2PA, so here is what to check.
A 60-second video from six 10-second clips: H3, Wan 3.0, Seedance
Six 10-second clips make a minute: $4.50 on MiniMax H3, $7.50 on Wan 3.0, $22.68 on Seedance 2 and $34.668 on Seedance 2.5, before retries.
Cheapest AI video API per second: eight listed prices, sorted
The lowest per-second prices on fal, Runway, Google, Replicate and Sume, read 2026-10-09, from $0.025 to $0.09, with which ones Sume actually lists.
Runway API vs Sume: six video models, price ratio per second
Runway bills credits at $0.01. Six of its API models have a Sume id. Sume's price is 0.75x to 1.93x Runway's per second; the table gives each ratio.
Replicate FLUX 1.1 Pro vs Sume flux-2-pro: a 250-image refresh
Replicate lists FLUX 1.1 Pro at $0.04 per image. Sume's flux-2-pro is $0.0375. For 250 images that is $10.00 against $9.375; FLUX Schnell is $0.003.
Sora API replacement: four async video APIs and their job shapes
OpenAI's Videos API shut down 2026-09-24 with no replacement listed. OpenRouter, Luma, Runway and Sume all use submit-poll-download; here is each shape.
MAI-Voice-2.1 emotion control vs Sume TTS emotion, speed and volume
MAI-Voice-2.1 lists emotion control. Sume TTS takes generation_config: emotion (1-64 chars), speed 0.6-1.5, volume 0.5-2. A three-take test costs 3 cents.
Runway wan3_prime is 40% above wan3; Sume lists one Wan 3.0 row
Runway lists wan3 at 10 credits a second and wan3_prime at 14. Sume lists wan-3.0 at $0.125 per second at 720p. A 10-second clip: $1.00, $1.40 and $1.25.
Luma Ray3.2 allows 16 keyframes; Sume offers first and last frame
Luma lists up to 16 keyframes per clip on its Ray3.2 API. Sume does not list Luma; its video models take a first and a last frame through frame_images.
MAI-Voice-2.1 zero-shot voice prompting vs a Sume voice id or avatar
MAI-Voice-2.1 lists zero-shot voice prompting. Sume TTS takes a voice id or an avatar's voice, not a sample clip. What each request can and cannot express.
Runway wait_for_task_output vs a Sume poll loop in Python
Runway's SDK blocks in wait_for_task_output and raises TaskFailedError. On Sume's /v1/videos route you poll a URL yourself; a 10-second loop does it.
Runway's three Seedance 2 tiers vs Sume's one: 10 seconds at 720p
Runway lists seedance2_mini at 16, seedance2_fast at 29 and seedance2 at 36 credits per second. Sume lists one seedance-2 at $0.378 per second at 720p.
Luma Ray 3.2 alternative: one /v1/generations route vs Sume's two
Luma's API sends images and video through POST /v1/generations. Sume splits them into /v1/videos and /v1/images and does not list ray-3.2 in its docs.
Cheapest 12-second 9:16 clip for a TikTok ad on Sume, by model
TikTok non-Spark ads need at least 540x960 for 9:16. At 720p or 768p a 12-second clip costs $0.90 on MiniMax H3, $1.50 on Wan 3.0 and Omni, $4.54 on Seedance 2.
12 s of Kling 3.0 Motion Control vs plain Wan 3.0 or Seedance 2.5
Kling 3.0 Motion Control is $0.1575 a second on Sume: $1.89 for 12 seconds, against $1.50 for Wan 3.0 at 720p and $6.93 for Seedance 2.5.
15-second clip: Seedance 2.0 vs 2.5 at 720p and 1080p on Sume
Seedance 2.0 tops out at 15 seconds on Sume. A 15-second clip is $5.67 at 720p versus $8.67 on 2.5, and $12.76 versus $21.32 at 1080p.
22-second Wan 3.0 clip: 720p plus video upscale or 1080p?
On Sume a 22-second Wan 3.0 clip costs $2.75 at 720p, $5.50 at 1080p. Video Upscale adds $0.009 a second, so 720p becomes $2.95. A price check only.
30-second talking video on Sume: Avatar tiers vs Fabric vs H3 Lip Sync
Thirty seconds of talking video costs $5.52 on Avatar Video standard, $7.35 plus, $16.50 max, $5.63 on VEED Fabric 720p and $3.00 on H3 Max Lip Sync at 768p.
47-second voiceover: Gemini 3.8 Flash TTS vs Sume TTS
A 47-second voiceover rounds to 50 seconds on Gemini 3.8 Flash TTS: $0.01125 now, double from 2027-01-01. Sume TTS charges $0.0475 per 1,000 characters.
60-second spot on Sume: six Wan clips, voice, music, render cost split
A 60-second spot of six 10-second Wan 3.0 clips, voiceover, music and render costs $7.77 on Sume. Voice is 0.6% of it, so swapping TTS barely moves the total.
8-second 1080p clip: Gemini Omni Flash vs Seedance 2.5 on Sume
An 8-second 1080p clip costs $1.50 on Gemini Omni Flash and $11.37 on Seedance 2.5 on Sume. Omni Flash 4K is $3.00 for the same eight seconds.
9-second MiniMax H3 vs H3 Max on Sume: 768p and 1080p costs
A 9-second clip is $0.68 on MiniMax H3 at 768p, $0.90 on H3 Max at 768p and $1.80 on H3 Max at 1080p. Only H3 Max has a 1080p tier on Sume.
Cheapest 4-second AI clip on Sume: the minimum-length math
A 4-second clip at 480p costs $1.07 on Seedance 2.5, $0.25 on Wan 3.0 and $0.15 on Gemini Omni Flash at 360p. MiniMax H3 starts at 5 seconds.
14 4K posters: FLUX.3 vs Nano Banana 2.1 vs GPT Image 2.5 on Sume
FLUX.3 4K is $0.607 per image on Black Forest Labs. Sume does not list it. 14 posters cost $8.50 there, $2.80 on Nano Banana 2.1 and $3.12 on GPT Image 2.5.
Generate at 1K and upscale, or generate 4K? Sume price check
Nano Banana 2.1 at 1K plus a Sume image upscale is $0.30, against $0.20 for native 4K. GPT Image 2.5 low plus upscale is $0.22 against $0.22 for high 4K.
A 3-minute YouTube Short from 30-second clips: Wan 3.0 vs Seedance 2.5
Six 30-second clips make a 3-minute Short. Wan 3.0 at 720p is $22.50, Seedance 2.5 is $104.00, plus $0.30 for the Timeline render on Sume.
POST /v1/videos or /v1/video-router/generate for a new build?
Sume recommends POST /v1/videos for new integrations. Video Router stays unchanged with the same models and jobs but a different wire. The differences.
OpenRouter signs timestamp,body; Sume signs timestamp.body
The two webhook signatures differ by one separator and a header shape. Side-by-side table and a tested Python verifier for both, refusing empty secrets.
Nano Banana 2.1 vs GPT Image 2.5 on Sume: 4.0x at 1K, 0.9x at 4K
Sume lists Nano Banana 2.1 at $0.10, $0.15 and $0.20 and GPT Image 2.5 at $0.02475, $0.055625 and $0.2225. The price ratio flips below 1 at 4K.
OpenRouter's workspace default callback URL vs Sume's callback_url
OpenRouter has a workspace default for video callbacks. Sume's docs describe callback_url or webhook_url on each request. A Python submit wrapper.
Scribe v2 for a 6-hour workshop with both add-ons vs Sume STT
Six hours of audio on ElevenLabs Scribe v2 is $1.32 base and $2.04 with keyterm prompting and transcript editing. Sume STT at $0.01 a minute is $3.60.
Griffin-Lite's 0.43 s latency: what a recorded avatar clip gives up
Tavus reports Griffin-Lite video latency of 0.43 s on average (0.27-0.59 s) in a research preview. A recorded clip on Sume is a job, so choose by use case.
Seedream 5 Lite vs Grok Image on Sume: 1.75x price, different ratios
Seedream 5 Lite is $0.04375 per image on Sume and Grok Image is $0.025, a 1.75x gap. Their aspect ratio lists overlap on 7 of 9 and 13 values.
Tavus Growth's 10 concurrent streams vs Sume's 4, 8 and 20 job slots
Tavus Growth allows 10 concurrent streams. Sume Pro runs 4 generation jobs at once, Startup 8, Scale 20, and queues the rest. What each limit actually counts.
Cheapest possible clip per Sume video model: the minimum-length floor
The cheapest legal clip on Sume ranges from $0.11 (Omni, 3 s at 360p) to $1.07 (Seedance 2.5, 4 s at 480p). Per-second rates hide the minimum-duration floor.
Gemini 3.8 Flash TTS vs Sume TTS: break-even is 47 characters
Gemini 3.8 Flash TTS costs $0.00225 per 10 seconds of audio; Sume TTS costs $0.0475 per 1,000 characters. They tie at about 47 characters per 10 seconds.
4K image prices: FLUX.3 is 6.07x its 2K, Nano Banana 2.1 on Sume 1.33x
FLUX.3 Image costs $0.607 at 4K and $0.100 at 2K, a 6.07x jump. Nano Banana 2.1 on Sume goes from $0.15 to $0.20, a 1.33x step, and Pro is flat from 1K to 2K.