Pricing
How Sume bills API work: plans and one wallet, what one run cost, estimates before you run, avatar video rates, failed jobs, and 402 errors.
Start with How Sume pricing works: plans, one wallet, published model rates
Luma Sync Lipsync 2, 2 Pro and 3: credits a second in dollars
Luma lists Sync Lipsync 2 at 4 credits a second, Pro at 6 and Lipsync 3 at 45: $0.007 to $0.14 a second. Sume's H3 Max lip-sync starts at $0.0625.
Luma Whisper v3 at 1 credit a minute: transcription cost per hour
An hour of Whisper v3 on Luma is 60 credits, $0.10 to $0.18 by plan. ElevenLabs Scribe v2 lists $0.22 an hour; Sume's speech-to-text is $0.60 an hour.
Runway Aleph 2.0 at 140 credits per 5 seconds vs Gen-4.5 at 60
Runway lists Aleph 2.0 at 140 credits per 5 seconds and Gen-4.5 at 60: $1.40 to $3.36 against $0.60 to $1.44 a clip by plan. Aleph costs 2.3 times more.
Runway Seedance 2.0 Pro 1080p: 160 credits for 4 seconds, in dollars
Runway lists Seedance 2.0 Pro at 1080p for 160 credits per 4 seconds: $1.60 to $3.84 a clip by plan. Sume's Seedance 2 at 1080p is about $0.85 a second.
Runway Text to Speech: 1 credit per 50 characters, priced per script
Runway's TTS is 1 credit per 50 characters, so 1,000 characters is 20 credits: $0.20 to $0.48 on a plan. Sume's TTS is $0.0475 per 1,000 characters.
Seed Audio 1.0 per minute: Luma 66 credits vs Runway 15, in dollars
Luma lists Seed Audio 1.0 at 66 credits a minute and Runway at 15: $0.11 to $0.20 a minute on Luma and $0.12 to $0.36 on Runway, depending on plan.
Sume TTS Router price: TTS 1.0 times 1.10, worked on 5,000 characters
TTS 1.0 is $0.0475 per 1,000 characters. The Router bills the list price times 1.10. Here is the arithmetic for a 5,000 character script.
AI video cost per minute on Sume: eight models by per-second rate
One minute of generated footage costs $0.75 to $34.67 on Sume depending on the model. Per-second rates and minute totals for eight models.
Budget for 100 five-second AI video clips on Sume, by model
100 clips of 5 seconds cost from $31.25 on Wan 3.0 at 480p to $710.78 on Seedance 2.5 at 1080p at Sume's billed rates. Full table inside.
What a 30-second AI ad costs on Sume: shots, voice, edit, captions
A 30-second ad built from six 5-second Wan 3.0 shots, a voiceover, a timeline render and captions comes to about $4.07 at Sume's billed rates.
Do failed or canceled AI generations cost money on Sume?
Sume bills image jobs all or nothing, releases holds for failed video jobs where applicable, and lets you cancel only before work starts. What the docs say.
Draft at 480p, finish at 1080p: ten drafts and a final on Sume
Ten 5-second Wan 3.0 drafts at 480p plus one 1080p final cost $4.38 on Sume, against $13.75 for eleven 1080p runs. The arithmetic and its limit.
Kling v3 Pro audio on adds 50% per second: what Sume bills
fal lists Kling v3 Pro at $0.112 a second with audio off and $0.168 with audio on. Sume bills $0.14 and $0.21 a second for the same two settings.
Price an AI video before you submit: Sume plan calls and catalog
Two free ways to see a Sume price first: the unbilled timeline plan call and the models endpoint with pricing lines. What each returns and what it misses.
Seedance 2.5 reference video price on Sume: the 15-second assumption
Adding a reference video to Seedance 2.5 changes the price: Sume assumes 15 input seconds and applies a 0.6 multiplier. Totals for 4 to 30 second clips.
Seedance price ladder on Sume: 2.5, 2, Fast and Mini per second
At 480p a 5-second Seedance clip costs $1.34 on 2.5, $0.88 on 2, $0.70 on Fast and $0.44 on Mini at Sume's billed rates. 720p and 1080p inside.
Sume flat job prices: trim, filter, compose, detach, transcript
Sume's ffmpeg-based jobs cost $0.01 to $0.02 each; transcripts are $0.01 an audio minute and captions are $0.20. Full price table from the docs.
Veo 3.1 Lite, Fast and Standard: price of 30 seconds vs Sume models
Google lists Veo 3.1 at $0.05 to $0.60 a second. Thirty seconds costs $1.50 to $18 across tiers; Wan 3.0 on Sume is $3.75 at 720p. Full table.
Why your Sume balance drops at submit: hold, capture and refund
Sume reserves the estimated price when it accepts a job, captures it on success and releases it on failure. How holds show up in the usage ledger.
Agent run cost on Sume: quote debited_usd_micros, not held
To price one agent run or job on Sume, call usage_get with its id and quote summary.debited_usd_micros. Holds and refunds are not spend. Batch it in script_run.
Wan 3.0 defaults to 1080p: pin 720p on Sume to halve the cost
Alibaba's Wan3.0 default is 1080P, and Sume prices an omitted resolution as 1080p. Send resolution 720p and the per-second bill falls from $0.25 to $0.125.
Cheapest image edit on Sume: 14 edit-capable models ranked by price
From Grok Imagine at about 2.5 cents to ChatGPT Image 2 at about 26: all 14 edit-capable Sume image models, sorted by catalog list times 1.25.
Four edit variants in one call: n limits and cost per Sume image model
Most Sume image models accept n up to 4, Grok Imagine only 1. You pay cost_usd times n, so four variants of an edit cost four edits.
OpenAI tts-1-hd vs Sume TTS: cost for a 150,000-character course
A 150,000-character course costs $2.25 on OpenAI tts-1, $4.50 on tts-1-hd, $7.125 on Sume TTS and $12.00 on ElevenLabs v3. The per-1K math and the job split.
480,000-character audiobook: TTS cost, ElevenLabs v4 vs Sume
A 40-chapter, 480,000-character audiobook costs $10.56 on ElevenLabs v4 sale, $38.40 at list, $22.80 on Sume TTS. Full arithmetic and the chapter-job plan.
gpt-image-2.5 sync vs batch vs Sume: cost per 1,000 images
OpenAI bills gpt-image-2.5 output at $30 per 1M tokens, $15 in batch; Sume lists $0.2225 an image. A 1,000-image budget with the token inference.
Narrate a 40,000-character course: MAI-Voice, Eleven v4 and Sume cost
A 40,000-character course script: $0.60 on MAI-Voice-2.1-Flash, $0.88 on MAI-Voice-2.1 or Eleven v4 promo, $1.90 on Sume TTS. Check the terms.
Do reference images cost extra on Sume? Flat rows vs token billing
On most Sume image rows, a reference photo adds nothing: the price is one flat per-image line. ChatGPT Image 2.5 bills tokens, so references add input cost.
Two-minute AI music track cost: ElevenLabs per minute vs Sume flat
ElevenLabs Music lists $0.15 a minute: 2 minutes is $0.30. Sume charges a flat $0.125 per generation; Google lists $0.08 per Lyria 3.5 song. Fine print.
Luma Ray3.2: a 10-second clip costs 3x a 5-second one, so stitch two
Luma Ray3.2 charges $0.45 for 10 seconds at 540p but $0.15 for 5, so two 5-second clips cost $0.30. Same 3x pattern at 720p and 1080p.
500-SKU product photo refresh: cost by Sume image model
What a 500-photo catalog refresh costs on Sume's reference-edit image models, from $12.50 on Grok Imagine to $50 on Nano Banana 2, with 3-take totals.
AI lip sync API cost per second: H3 Max 480p, 768p, 1080p vs Fabric
On Sume, H3 Max lip-sync is $0.0625, $0.10 or $0.20 per audio second by resolution; VEED Fabric is $0.10 or $0.1875. A 14.8 s clip costs $0.94 to $3.00.
Kling 3.0 Motion Control price per second and a 30-second clip
fal lists Kling 3.0 Standard Motion Control at $0.126 a second. On Sume it is $0.1575 a second, rounded up per second: $4.725 for the 30-second maximum.
H3 Max Recast 768p vs 1080p: price per second and per clip
fal lists H3 Max Recast at $0.30 a second for 768p and $0.45 for 1080p. On Sume the same two tiers cost $0.375 and $0.5625 a second; per-clip math for 5-30 s.
Does AI video API billing round up? Sume's ceil rules per endpoint
A 5.2 s clip is billed as 6 s. Which Sume endpoints round seconds or minutes up, which prorate, and worked examples from the published rates.
Change a person in a video with AI: Sume Recast price, not free
Changing a person in a video with Sume's H3 Max Recast is paid per source second: $0.375 at 768p, $0.5625 at 1080p. Costs for 5 to 30 second clips.
H3 Max Recast 768p or 1080p: draft cheap, publish in HD
Sume bills H3 Max Recast at $0.375 a second at 768p and $0.5625 at 1080p. Budget a 768p test pass and one 1080p final, and what each plan costs.
Mercury Voice pricing: tokens to dollars per minute of talk
Mercury Voice lists at $0.40/$1.50 per million tokens, half off at launch, about $0.009 a minute. How to turn that into your bill, plus the speech steps.
Balance needed for one AI generation call: published max per endpoint
Sume's catalog publishes estimated, minimum and maximum cents per endpoint. The worst-case hold for one call runs from 3 cents to $56.25 before a 402 can fire.
AI voice agent cost per minute: speech-to-text, LLM and TTS stack
A dated cost sheet for the October 2026 voice stack: MAI-Transcribe-2-Streaming, Mercury Voice, MAI-Voice-2.1-Flash, and Sume's file STT and TTS, per minute.
Cost to remove backgrounds and upscale 500 product photos by API
Sume bills background removal at $0.0225 an image and upscale at $0.20, both flat. 500 photos through both steps cost $111.25; the table and a submit loop.
AI virtual try-on cost per image: GPT Image 2.5 on Sume
What one try-on still costs on Sume: the documented token rates, why quality auto reserves the max price, and a script that reads the live endpoint pricing.
Cost per row of a Sume bulk run: add up debited_usd_micros
Read usage.debited_usd_micros on each child receipt, wait for final to be true, and treat null as unknown. Why billable_amount alone understates a bulk run.
Real-time AI avatar pricing: live minutes vs one render
Live avatars bill by conversation minute and concurrent stream; a rendered clip is paid once and watched by anyone. Tavus plan numbers and the break-even.
Which Sume API calls are free: balance, usage, catalog, filter check
Balance, usage and catalog reads cost nothing on Sume, and neither does the video-filter check. What is billed, what is refunded, and what a 402 means.
TTS cost by character: the same sentence in four languages
Sume bills TTS per character, not per second. One sentence counted in English, French, German and Korean, with the 1-cent floor and the 20,000-character cap.
GPT Image 2.5 portrait 1024x1536 costs less than square
On fal, GPT Image 2.5 high is $0.04116 at 1024x1536 and $0.05268 at 1024x1024, though portrait has more pixels. Sume at x 1.25: about $0.051 vs $0.066.
GPT Image 2.5 price on Sume: 1K, 1080p, 2K and 4K at low, medium, high
GPT Image 2.5 on Sume at high quality: about $0.066 at 1024x1024, $0.050 at 1920x1080, $0.069 at 2560x1440, $0.125 at 4K. Low is under a cent to 1.4 cents.