Guides
Sume guides: the API, Formats, agents, models, media tools and pricing, each answer dated and sourced.
Gemini Omni rate limit: Google lists none, Sume lists them
Google's rate-limit page has no Omni or Veo row. It lists per-project RPM, TPM and RPD plus spend caps. Sume publishes per-key limits and concurrency by plan.
Roleplay team budget: Synthesia learner seats or a Sume clip library
Twelve-month cost of Synthesia Roleplay Training for 20 learners against a library of 24 scenario clips on Sume, and where each stops being the right tool.
Amazon video: key benefit in the first 10 seconds, checked in 5 stills
Amazon says the best shoppable videos show the key benefit in 5 to 10 seconds. Pull five stills at 1, 3, 5, 7 and 9 seconds with Sume video-frames to check.
Amazon video at 30, 60 or 90 seconds: Sume jobs per model and cost
Amazon says its best shoppable videos run 30 to 90 seconds. On Sume that is 3 to 9 jobs depending on the model, from $3.75 to $52.02 for 90 seconds.
Cheapest Sume image model for a 21:9 banner from a reference photo
Qwen Image at $0.025 is the cheapest row listing 21:9 with reference input. Flux 2 Pro is next at $0.0375. A short script finds it live.
Which Sume MCP tools to leave undeferred when Claude searches tools
Anthropic says to keep 3 to 5 frequently used tools non-deferred. Which Sume hosted MCP tools to pin and which to defer.
Claude tool search limits: 200-char regex, 500-char BM25, 5 results
Claude's tool search tool has fixed limits on pattern length, results and deferred tools. What they mean for a Sume hosted MCP tool list.
Env and secrets diff for removing Sora: SUME_API_KEY, one auth header
Which environment variables to delete, add and rotate when a service leaves the OpenAI Videos API for Sume, plus a startup check that fails on a missing secret.
Failed Sume video job: resubmit or stop? Read retryable, next_action
Sora said failed and little else. A failed Sume job carries an error with category, retryable, retry_after_seconds and next_action. A small decision function.
Sora content rules vs Sume generation_rejected: read the job events
A prompt Sora refused may behave differently on Sume. How a rejection shows up as generation_rejected, which events to read, and why you must not assume parity.
Instagram Reels with text over most of the frame: cap caption size
Instagram lists Reels mostly covered by text among those it may show less. Bound Sume captions with font_size_ratio, safe_width_ratio and max_words.
Reels ad safe zone in pixels: 358 top, 896 bottom, 86 sides
Meta's Reels ad page keeps about 14% top, 35% bottom and 6% per side clear on a 1440x2560 frame. Here is the pixel math and a Sume caption anchor.
LinkedIn Page video: 10 or 15 minutes, and is MOV allowed?
Two LinkedIn help pages give different Page video limits (10 vs 15 minutes, MOV in or out). Ship MP4 under 10 minutes and use Sume video trim to get there.
LinkedIn video uploads but never processes: ProRes fix
LinkedIn says a ProRes file may upload but not process. Probe the codec with Sume video inspect, then re-encode to H.264 MP4 with an exact video trim.
Museum exhibit teaser: Seedance 2.5, images and audio, no surcharge
Send artifact photos and a narration clip to Seedance 2.5 and a 10-second 720p teaser is $5.78 on Sume. Only reference videos trigger the higher bill.
App onboarding clip from screenshots: Wan 3.0 takes 10 references
Send up to 10 app screens as references to Wan 3.0 and a 10-second 9:16 onboarding clip costs $0.63 at 480p or $1.25 at 720p on Sume.
Bookstore author event promo: Seedance 2.5 at 1:1, 480p, 8 s
A square 8-second author-event promo on Seedance 2.5 is $2.06 at 480p and $4.63 at 720p on Sume. Why 480p is enough for a feed, and what 1:1 renders at.
Boutique hotel room reel: three 8 s MiniMax H3 clips at 768p
Three 8-second 9:16 room clips on MiniMax H3 at 768p cost $0.60 each on Sume, $1.80 for the set. Plain H3 against H3 Max, and the reference limits.
Caption a MAI-Voice-2.1 narrated video: script_text keeps spelling
Burn captions on a clip voiced by MAI-Voice-2.1 or Flash: send the video URL and script_text, and Sume times the words. $0.20 for a clip up to 60 seconds.
Check ad video length for Pinterest, LinkedIn and Google in Python
A short Python check of a video-inspect probe against Pinterest, LinkedIn and Google Video action length limits read on 2026-10-08, before you upload an ad.
Claude MCP connector or Sume Agent Completions for a long video job?
A Messages API request with the MCP connector holds open while Claude works. Sume Agent Completions return 202 and a run to poll. Which one fits a long job.
ENABLE_TOOL_SEARCH=false in Claude Code loads every Sume tool up front
Setting ENABLE_TOOL_SEARCH=false or a custom ANTHROPIC_BASE_URL turns off Claude Code tool search. What that does to a Sume MCP session.
Claude Code tells Claude when an MCP server fails: Sume down vs auth
With tool search on, Claude Code reports failed MCP servers to the model. How to read that when Sume's server will not connect, 401 or 403.
Haiku 5.5 tool-use overhead: 286 tokens, 406 with tool_choice any
Claude Haiku 5.5 adds 286 system-prompt tokens when tools are present and 406 when tool_choice is any or tool. What that costs a Sume agent loop.
Claude per-message effort: drop to low while a Sume job runs
Claude's per-message effort beta keeps the prompt cache when you change effort mid-conversation. How to use it around Sume jobs, and its Haiku 5.5 limit.
Cloudflare Queue consumer 15 min wall time: poll a Sume job
A Queue consumer on Cloudflare can run 15 minutes of wall time, but a Sume job can wait longer. Re-enqueue with a delay and honor next_poll_after_seconds.
Convert MAI-Transcribe-2 word offsets to Sume video caption words
Turn word timings in milliseconds into the seconds-based words array Sume video-captions accepts. A short Python converter plus the 60 s and 1,200-word limits.
Crowdfunding page video: Wan 3.0 hero plus Kling 3 loops, priced
Prototype photos only work as references on Wan 3.0, so it gets the hero. Kling 3 does 1080p feature loops at $0.14 a second. Whole page set: $4.40.
Custom avatars per plan: HeyGen, Colossyan, Tavus, Teams, Sume
Custom avatars each plan lists: HeyGen 1 to 10+, Colossyan 15 or 20, Tavus 0 to 7, Teams 3. Sume prices each new avatar at $0.95; no plan cap is listed.
Deno 2.9.7 traceparent fix: tag a Sume job id in a Deno.serve log
Deno 2.9.7 extracts traceparent from Deno.serve regardless of header case. In a Sume webhook handler, log the job_id with the trace so a render is traceable.
Dental clinic intro reel: one 30 s Wan 3.0 job or three Kling 3 clips
A 30-second waiting-room-to-chair story costs $3.75 as one Wan 3.0 720p job, or $4.20 as two silent Kling 3 clips. Which one to pick and why.
Digital signage loop with Omni: 9:16 at 4K, cost and limits
A 10-second 9:16 loop for a lobby screen with Gemini Omni Flash: $3.75 at 4K on Sume, $1.25 at 720p. Google labels its 4K output as upscaled.
Does SynthID survive captions and a 9:16 crop on Omni clips?
Google says SynthID is built to survive cropping, filters and compression. What that means for a captioned or reframed Omni clip, and what Sume claims.
Esports team intro in 21:9: Seedance 2.5 at 720p, 8 s, with cost
Seedance 2.5 on Sume renders 21:9 at 1470 x 630 for 720p. An 8-second stream-banner intro costs $4.65 at 720p, $2.15 at 480p. Rates and limits.
Esports team intro sting: 5 seconds with a logo reference
A 5-second team intro for a stream in 16:9: send the logo as a reference image to Omni Flash, $0.625 at 720p on Sume, and fix the text in a short edit.
FastAPI 0.142 native OpenTelemetry: tag spans with a Sume job id
FastAPI 0.142.0 added native OpenTelemetry. Put the Sume job_id on the current span in a webhook route so a failed render shows up next to the HTTP trace.
FastAPI background poll of a Sume job: use next_poll_after_seconds
Poll a Sume job from an asyncio task in a FastAPI 0.142 app, wait for the server-provided interval, stop at terminal, and never resubmit after a timeout.
Fastify: verify a Sume video webhook where Sora's video.completed was
Swap the Sora video.completed handler for Sume's job.completed in Fastify. Keep the raw string body, verify sume-v1 with the SDK, and refuse an empty secret.
Find the timestamp of a quote in a recording with Sume STT words
Sume's STT result returns every word with start and end seconds. A short Python function finds a quoted phrase and returns where to cut. About a cent a minute.
GLM-5.3 reasoning cannot be turned off: cap the Sume run instead
Z.ai says GLM-5.3 always reasons, with low, high and max levels. What that means for run time and for a spend cap on a Sume agent run.
GLM 5.3 Fast or Flash: which one does Sume list?
Sume's agent model list has GLM 5.3 Flash, not GLM 5.3 Fast. What Z.ai's GLM-5.3 page says and what the API's model field accepts.
Can GLM-5.3 call Sume's hosted MCP? Function calling, not MCP
Z.ai's GLM-5.3 page lists function calling and does not mention MCP. How a GLM agent reaches Sume through an MCP client or through plain HTTP.
GLM-5.3 off-peak 50% points vs a Sume dollar spend cap
Z.ai meters GLM-5.3 in points with a 50% off-peak rate. Why a Sume dollar cap is a different meter, and how to schedule agent work.
Google Ads Shorts previews: render 9:16, 16:9 and 1:1 first
Shorts previews need a Video view or reach campaign with Shorts selected. Render all three Google sizes from one master with Sume Timeline for $0.30.
Google Ads video rejects MP3, WAV and PCM: pair audio with a still
Google Ads video upload does not accept audio files such as MP3, WAV or PCM. Turn a radio spot into an MP4 with a still and your audio using Sume Timeline.
Does Google keep Omni and Veo prompts for 55 days?
Google's Gemini API page says prompts, context and outputs are kept 55 days for abuse checks. Veo files last 2 days. How that differs from a Sume request.
Haiku 5.5 charges more above 100k tokens: keep Sume tools lean
Claude Haiku 5.5 prices prompts over 100,000 tokens at five times the base rate. How a long Sume tool list and job history can push you over.
Haiku 5.5 Batch API is half price: Sume renders are not batched
Claude's Batch API gives Haiku 5.5 a 50% discount, but a Sume render is billed by Sume. How to batch the planning step and keep caps on the render.