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AI Change Watch VS https://open-gpt.app/

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

AI Change Watch

Searchable archive of AI model, pricing and API changes across OpenAI, Anthropic, Google, AWS and more — each record stores the date it happened and a quote from the vendor's own page.

Rating
0 reviews
Pricing
Free
Alternatives Is it good?
https://open-gpt.app/

Create ChatGPT Application in seconds

Rating
0 reviews
Alternatives Is it good?
ANNA For Creators
Chatting & Selling Automation for OnlyFans. ANNA handles objections, spots buyers, and closes more sales, so you can scale without limits. Cheaper than a human team, and sells better, detect and take care of each whales on your account. 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.

Which is more popular?

Based on our record, AI Change Watch seems to be more popular. It has been mentioned 1 time since March 2021.

social mentions
1 vs 0
API Tools popularity
100% vs 0%

Base details

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

AI Change Watch
https://open-gpt.app/
Website aichangewatch.com open-gpt.app
Pricing
Free
—
Platforms
Web
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Company Startup from Japan · 1 - 9 employees · 2026 —
Listed in
LLM Developer Tools AI Tools AI Monitoring Tools API Tools +3
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About AI Change Watch and https://open-gpt.app/

In their own words, as submitted to SaaSHub.

AI Change Watch
https://open-gpt.app/

AI Change Watch is a searchable archive of changes to AI models and APIs. It crawls first-party sources from OpenAI, Anthropic, Google, AWS, Azure and other vendors and records every pricing change, model addition, deprecation and API change together with the date it happened and a quote from the...

Read more about AI Change Watch

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

Features and specs

What each product offers, as listed by its team.

AI Change Watch 6 features
https://open-gpt.app/ 5 features
  • Price history
    The value before and after every recorded change, with the date
  • Deprecation tracker
    Vendor-published end-of-life dates, with an .ics calendar subscription
  • Source of record
    First-party vendor pages, quoted and dated at the time of detection
  • Vendors tracked
    OpenAI, Anthropic, Google, AWS, Azure and others
  • Feeds
    RSS
  • Account required
    No
  • 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.

AI Change Watch
https://open-gpt.app/

No analysis of AI Change Watch 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

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
AI Change Watch
https://open-gpt.app/
100% 100%
API Tools
0% 0%
100% 100%
Monitoring Tools
0% 0%
100% 100%
AI
0% 0%
100% 100%
Developer Tools
0% 0%

Questions & Answers

As answered by people managing AI Change Watch and https://open-gpt.app/.

What makes your product unique?

AI Change Watch's answer

It keeps the history. Most tools in this space show you the current price and the current specs of AI models. Here every change is stored as a dated record with a quote from the vendor page it was read from, so past values never disappear when a vendor updates a page. That makes it possible to answer questions the current state cannot: when a price actually changed, how long a model lived before it was deprecated, and how much notice the vendor gave before shutting it down.

Why should a person choose your product over its competitors?

AI Change Watch's answer

Price calculators tell you what a model costs today. This tells you what it cost before, when it changed, and where that number came from. It also covers more than price: model additions and removals, API and SDK changes, security notices, and retirement dates.

The deprecation tracker is the clearest difference — vendor-published end-of-life dates are collected in one place and offered as an .ics calendar you subscribe to once, so shutdown dates land in your calendar instead of being something you have to go looking for.

Which are the primary technologies used for building your product?

AI Change Watch's answer

Cloudflare Workers, with D1 for the change log, R2 for stored page snapshots, KV, and Queues for the crawl pipeline. The site is Next.js 15 and React 19 on @opennextjs/cloudflare. TypeScript throughout, with vitest for the test suite.

Extraction from vendor pages is LLM-assisted, but no record is published automatically — every change is reviewed by a person before it appears, and each one carries a link and a quote back to the source it came from.

How would you describe the primary audience of your product?

AI Change Watch's answer

Engineers and teams running AI APIs in production. The recurring problem is finding out too late: a model is retired, a price moves, or a response format changes, and the first signal is a broken deployment or an unexpected invoice. The secondary audience is anyone doing cost planning who needs the trend rather than today's number.

What's the story behind your product?

AI Change Watch's answer

It started from a simple observation: vendors change their own documentation, and the old version is gone. Two examples that shaped the project — the same Claude model was given 60 days of notice on one platform and 184 on another, and two of Google's own pages listed different retirement dates for the same model at the same time. Neither is visible if you only ever see the current page. So the project stores what each source said and when it said it, and treats that stored copy as the record.

User comments

Share your experience with using AI Change Watch and https://open-gpt.app/. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

AI Change Watch 1 mention
https://open-gpt.app/ 0 mentions
  • A `middleware.ts` Rewrite Silently Disables ISR in Next.js 15.5
    I run AI Change Watch, a Next.js App Router site on Cloudflare Workers (via OpenNext) that crawls what AI vendors publish about their own models and records every Change. En is served unprefixed (/deprecations), the other nine locales... - Source: dev.to / 28 days ago

Tracking https://open-gpt.app/ since Jul 2023.

Alternatives to AI Change Watch and https://open-gpt.app/

When comparing AI Change Watch and https://open-gpt.app/, you can also consider the following products.

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