Colossee
Summary
The moment your AI-generated image goes viral, someone will claim they made it first — and a screenshot of your Midjourney prompt history is not a legal record. Colossee is a public timestamped registry that creates an ownership proof record before your work leaves your hands.
The workflow is three steps: upload or link your media, spend 10 credits to generate a public registration record with a unique COL- ID, then attach that certificate link to any portfolio, invoice, or client handoff. The registry covers output from the full range of AI tools — Midjourney, Suno, Runway, ElevenLabs, and dozens more — so the provenance record is not platform-specific. Where this breaks: the registry proves you registered first, not that you created the underlying prompts or inputs. Teams managing hundreds of assets per month hit the credit ceiling fast, and bulk registration is a paid-only feature. There is no API, so any automated pre-publish pipeline requires a manual step.
Bottom line: Pick Colossee if you are a freelancer or studio that delivers AI-assisted work to clients and needs a shareable, public proof-of-authorship link per deliverable — but plan around it if you need programmatic registration at volume, because there is no API and the manual credit system does not scale without intervention.
Pricing Plans
SubscriptionLast verified 1 week ago- Price
- $9/mo
- Free Tier
- 0 proof records, test the upload flow, preview a proof record
Free
Free Preview the proof flow
- 0 proof records
- Test the upload flow
- Preview a proof record
Creator
For creators publishing weekly
- 10 proof records each month
- Timestamped public pages
- Certificate links for clients
Pro
For client and campaign work
- 45 proof records each month
- Dashboard registry management
- Top-ups for launch weeks
Studio
For studios publishing daily
- 150 proof records each month
- High-volume registration capacity
- Public records and certificates
View full pricing on colossee.com →
Pricing may have changed since last verified. Check the official site for current plans.
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Pros
Sign in to edit- Pre-publication timestamping creates a public record that predates any distribution channel, so if ownership is disputed after a piece goes viral, you have an independent reference point that a platform DM thread or prompt history screenshot cannot match.
- Platform-agnostic registration covers output from over 40 named AI tools under a single registry, so a studio mixing Midjourney images, Suno audio, and Runway video in one deliverable registers all three types without switching systems.
- Certificate-style proof pages are shareable links designed to attach directly to invoices or client handoffs, which means the conversation about AI authorship happens before a client questions it rather than during a dispute.
- The public registry feed with unique COL- IDs provides a browsable, verifiable record — not a private database only you can access — so third parties and clients can independently confirm the registration without requesting documentation from you.
Cons
Sign in to edit- There is no API, which means any team running a content pipeline that publishes daily or on an automated schedule must break that pipeline for a manual registration step on every asset — at high volume this becomes a production bottleneck, and teams that cannot absorb that friction move to embedding provenance metadata directly in files using tools like C2PA-compatible exporters instead.
- The registry records that you registered a specific file at a specific time; it does not verify that you authored the prompts, owned the input assets, or complied with the terms of the AI platform that generated the output — so in any dispute involving prompt ownership or model licensing, the certificate alone does not resolve the underlying question.
- Credit allocations are monthly and non-pooling by implication of the tier structure, so a studio with uneven output — quiet weeks followed by a product launch pushing 30 assets in two days — will either over-provision capacity or run out mid-sprint with no self-serve burst option described on the pricing page.
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About
- Platforms
- Web
- API Available
- No
- Self-Hosted
- No
- Last Updated
- 2026-06-21T08:00:59.263Z
Best For
Who it's for
- AI content creators publishing weekly or more
- Studios managing high-volume AI output
- Freelancers needing verifiable client deliverables
What it does well
- Pre-publish proof of AI media authorship
- Client handoff documentation for AI-assisted projects
- Dispute resolution with public timestamped records
- Portfolio or invoice attachment for AI work
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Frequently Asked Questions
- Is Colossee free?
- Colossee has a permanent free tier alongside paid upgrades (paid plans from $9/mo). You can keep using a baseline version indefinitely without paying.
- Is Colossee open source?
- No — Colossee is a closed-source tool. Source code is not publicly available.
- What platforms does Colossee support?
- Colossee is available on: Web.
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Curated lists that include this category
Colossee operates as a public registry specifically for AI-generated media. Before publishing, a creator uploads or links the media asset, Colossee deducts 10 credits server-side, and issues a permanent public record with a registry ID (formatted COL- plus a unique hash), a timestamped proof page, and a certificate-style link. That certificate can be embedded in portfolio pages, attached to invoices, included in client handoff documents, or cited in disputes where authorship is questioned. The registry feed is publicly browsable, showing registration IDs, asset titles, platform of origin, and verification status.
The core differentiator is that the proof record exists before the content is published anywhere. Unlike a social media post timestamp or a platform’s internal metadata, the Colossee record is independent of any distribution channel and predates publication — which is the point a dispute almost always turns on. The vendor states that the registry covers content created or enhanced by any platform across the AI creative stack, listing over 40 named tools including Midjourney, OpenAI, ElevenLabs, Runway, Suno, and Stability AI.
Colossee fits tightly into pre-publish workflows for creators who publish frequently and need a paper trail for client-facing or commercially sensitive work. The free tier, per the vendor’s pricing page, allows previewing the proof flow but does not include completed proof records — publishing without paying is not an option. The credit model means high-volume studios registering tens of assets weekly will exhaust lower-tier allocations and face a choice between upgrading or batching registrations. There is no API access, which means no automated integration with existing content pipelines; every registration is a manual action.