Evidence register
Eighteen statements this site makes: the evidence type behind each, the source, the date it was verified, and what it is worth commercially. Where the evidence is our own production record, it says so.
| # | Claim | Type | Source | Verified | Commercial value |
|---|---|---|---|---|---|
| 01 | A single take can run to 30 seconds | Documented | Seedance 2.5 release note; ModelArk model list | 2026-11-11 | Removes the ‘assemble fragments’ step from a 30 s cut |
| 02 | Up to 50 reference assets per request (30 image, 10 video, 10 audio) | Documented | ModelArk video generation guide; release note | 2026-11-11 | Brand-owned CGI and camera language become inputs |
| 03 | Native 4K and 10-bit output | Documented | Seedance 2.0 release note | 2026-11-11 | Usable in broadcast-grade delivery without an upscale pass |
| 04 | Joint audio-video generation with lip sync | Documented | Seedance 1.5 Pro guide | 2026-11-11 | Dialogue-led spots without a separate ADR session |
| 05 | Prompts accepted in more than ten languages | Documented | Seedance 2.5 release note | 2026-11-11 | Local teams brief in their own language |
| 06 | In-image text rendered in 14 languages | Documented | Seedream 5.0 pro overview | 2026-11-11 | End-cards and packshots reused across markets |
| 07 | Timestamp-level and region-level editing within a take | Documented | ModelArk video editing guide | 2026-11-11 | Review notes become fixes, not re-shoots |
| 08 | Image decomposed into base layer plus up to 16 editable layers | Documented | Seedream 5.0 pro overview | 2026-11-11 | DTP-grade handover of a generated still |
| 09 | Asynchronous API with callbacks, RPM and concurrency limits | Documented | ModelArk API reference | 2026-11-11 | Fits a batch pipeline rather than a chat window |
| 10 | EU West (Frankfurt) regional endpoint | Documented | ModelArk image generation API; trust centre | 2026-11-11 | A defensible data-location conversation |
| 11 | ISO 27001, 27017, 27018, 27701; SOC 2; CSA STAR; PCI DSS | Documented | BytePlus trust centre | 2026-11-11 | Shortens the security questionnaire |
| 12 | Top-group placement on independent blind-vote arenas | Benchmark | Artificial Analysis, 30 Sep 2026; Sprites, 2 Oct 2026 | 2026-10-02 | Evidence that quality is competitive, not decisive |
| 13 | First place for text- and image-to-video on Arena.ai | Benchmark | Seedance 2.0 technical paper, 8 Apr 2026 snapshot | 2026-04-08 | Corroborates the benchmark row above |
| 14 | A tailgate badge failure, and its region-level repair | Case | This programme, titles 09 and 10 | 2026-09-11 | Defines the human pass a pilot should budget for |
| 15 | Camera-path and proxy-model references | Case | This programme, titles 13 and 16 | 2026-09-11 | Previs before a shoot is booked |
| 16 | A 25–30 s automotive mood film in roughly five working days | Case | Case record for title 17; single project, not a benchmark | 2026-09-11 | Sets a realistic PoC expectation |
| 17 | Related but distinct: Lumina is a workspace, ModelArk is delivery | Documented | BytePlus product pages and API docs | 2026-11-11 | Prevents a pilot that proves the wrong half |
| 18 | Synthetic scenario generation for AD/ADAS and training video | Documented | Seedance 2.5 release note | 2026-11-11 | A second stakeholder group and budget line |
Documented = stated in a primary vendor source. Benchmark = independent measurement, with its own method and its own noise floor. Case = this programme's production record, generalisable only as an expectation.
The other half of the register
A register that only lists supporting evidence is a brochure. These are the statements we removed because we could not stand behind them.
“Best in the world.” — removed. Arenas put Seedance in the top group; the top place moves between releases and the margin is within noise.
“All models available in the EU region.” — removed. Region availability is model-specific and must be checked before a commitment is made.
“40% cheaper, 6× faster.” — removed. No vendor-neutral measurement exists; the pilot scorecard on the impact page replaces it.
“GDPR compliant.” — removed from the marketing copy. Compliance is a contractual question with region, model and data-category dependencies.
“BMW uses this.” — removed. BMW-published films are shown as references; nothing on this site asserts a customer relationship.
Start here
If you have ten minutes, take the evidence register. If you have a campaign, take the pilot scope.
Seventeen titles, each labelled with provenance, input and the capability it demonstrates.
Open the showcase ↗Bring a real brief — a launch, a localisation wave, a stack of end-cards — and we will cost it honestly.
Enterprise contact ↗Three weeks, a defined reference pack, and a scoring rubric agreed before the first generation.
Scope a pilot ↗