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Witness VS https://open-gpt.app/

Compare Witness VS https://open-gpt.app/ and see what are their differences

Witness

AI-powered deepfake detection for images and videos. Ensemble models, Chrome extension, and enterprise API for fraud teams, investigators, and anyone verifying digital media.

Rating
0 reviews
Pricing
Freemium $15 / Monthly
Alternatives Is it good?
https://open-gpt.app/

Create ChatGPT Application in seconds

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0 reviews
Alternatives Is it good?
Sugarbug
Connect your tools into a living knowledge graph. Sugarbug captures every signal to deliver compounding insights and unified context. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Base details

Website, pricing, platforms and company facts side by side.

Witness
https://open-gpt.app/
Website witness.vision open-gpt.app
Pricing
Freemium $15 / Monthly Official pricing
—
Company Startup from the United States · 1 - 9 employees · 2026 —
Listed in
AI Detection Fraud Detection And Prevention Content Moderation AI Tools Fraud Prevention Security & Privacy Cyber Security AI +5
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About Witness and https://open-gpt.app/

In their own words, as submitted to SaaSHub.

Witness
https://open-gpt.app/

Witness is a deepfake detection tool that checks whether images and videos are real or AI-generated. It runs multiple detection models in parallel (ensemble approach) and returns a clear verdict: Real, or AI, with a confidence score and plain-language explanation.

Read more about Witness

No description of https://open-gpt.app/ yet.

Features and specs

What each product offers, as listed by its team.

Witness 4 features
https://open-gpt.app/ 5 features
  • Image Detection
    AI-generated images from 20+ generators including Midjourney, DALL-E, Stable Diffusion, Flux
  • Video Detection
    Face swaps, deepfake video, AI-generated video from Sora, Runway, Kling
  • Chrome Extension
    Right-click any image on any website. Works on Twitter/X, Instagram, Reddit.
  • C2PA Provenance
    Reads cryptographic content credentials from Adobe, Google, OpenAI, and camera manufacturers
  • Accessible AI Chat Interface
    Provides a user-friendly web-based interface for interacting with GPT-based AI models without needing to set up API access or coding knowledge.
  • No Installation Required
    Being a web application, it can be used directly from a browser without downloading or installing any software.
  • Potentially Free or Low-Cost Access
    Many GPT wrapper sites like this offer free tiers or lower-cost access compared to official API pricing, making AI chat more accessible to casual users.
  • Quick Setup
    Users can typically start chatting almost immediately after visiting the site, with minimal account creation or configuration steps.
  • Cross-Platform Compatibility
    Since it runs in a browser, it can be accessed from various devices including desktops, tablets, and smartphones without platform-specific versions.

Possible disadvantages

  • Uncertain Reliability
    Third-party GPT wrapper websites often depend on underlying API access that can be unstable, rate-limited, or discontinued without notice, affecting consistent availability.
  • Data Privacy Concerns
    Using an unofficial third-party service to process conversations raises questions about how user data and conversation history are stored, used, or shared.
  • Limited Transparency
    It may be unclear which underlying AI model version is being used, how up-to-date it is, or what modifications have been made to the base model's behavior.
  • Potential Hidden Costs or Ads
    Free-to-use AI wrapper sites often monetize through ads, premium upsells, or data collection, which may not be clearly disclosed to users upfront.
  • Lack of Official Support
    Unlike official AI platforms, unofficial wrapper sites may lack dedicated customer support, regular updates, or accountability if issues arise.

Analysis

An editorial look at what each product does well and who it suits.

Witness
https://open-gpt.app/

No analysis of Witness yet.

Overall verdict

  • I don't have verified, up-to-date information about open-gpt.app, and I'm unable to browse the internet to check its current status, reputation, or legitimacy. I cannot confidently vouch for or against this specific product/service.

Why this product is good

  • I lack real-time access to verify this website's current content, reputation, or user reviews
  • Domain names and their associated services can change ownership and purpose over time
  • Without verification, I cannot confirm if this is a legitimate service, its features, or its safety
  • There are many similarly-named AI tools of varying quality and trustworthiness, making specific verification important

Recommended for

  • Before using this site, research current user reviews on trusted platforms
  • Check the site's SSL certificate, privacy policy, and terms of service
  • Look for verified information about the company or developers behind it
  • Consider well-established alternatives like ChatGPT (OpenAI), Claude (Anthropic), or Gemini (Google) if you need reliable AI assistance
  • Exercise caution with any site requesting payment or personal information without clear verification of legitimacy

Videos

Walkthroughs and reviews on video.

Witness 1 video + Add
https://open-gpt.app/ 0 videos + Add

Witness - Chrome extension

No https://open-gpt.app/ videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Witness
https://open-gpt.app/
100% 100%
Fraud Detection And Prevention
0% 0%
100% 100%
Content Moderation
0% 0%
100% 100%
AI Detection
0% 0%

Questions & Answers

As answered by people managing Witness and https://open-gpt.app/.

Who are some of the biggest customers of your product?

Witness's answer

  • Individual users checking suspicious images and dating profiles
  • Journalists verifying source media before publishing
  • Parents installing the Chrome extension on family devices

How would you describe the primary audience of your product?

Witness's answer

Two audiences. Consumers who need to verify something they saw online: a suspicious dating profile, a viral image, a video that looks off. And enterprise teams who screen media at volume: insurance investigators checking claim photos, e-commerce fraud teams reviewing refund evidence, legal professionals authenticating digital exhibits, and trust & safety teams moderating user content.

What's the story behind your product?

Witness's answer

Witness started because deepfake detection tools either didn't work well enough for regular people or were locked behind enterprise sales calls. We wanted to build something that gives a clear, honest answer to a simple question: is this real, or was it made by AI? The name comes from the idea that when you can tell the difference, you become a witness. You see clearly and you can say what you saw.

What makes your product unique?

Witness's answer

Most detection tools run one model and give you one number. Witness runs multiple checks on every scan and combines the signals, which means fewer wrong answers on the cases that matter. It also reads C2PA content credentials, a cryptographic proof of how media was created. When provenance data confirms the origin, you get a near-certain answer without relying on statistical detection alone.

Why should a person choose your product over its competitors?

Witness's answer

Three reasons. First, Witness checks images and videos, including face swap detection in video, which most competitors do not offer. Second, the Chrome extension works on sites where other tools fail (Twitter/X, Instagram, Reddit) because of how it fetches images. Third, Witness is transparent about what it can and cannot detect, rather than claiming a single accuracy number with no methodology behind it.

Which are the primary technologies used for building your product?

Witness's answer

Deep learning models trained on large-scale datasets covering 20+ AI generators. C2PA content credential verification for cryptographic provenance. Next.js frontend, Python backend on GPU infrastructure. The Chrome extension uses a custom media fetch pipeline built for compatibility with major social platforms.

User comments

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