Best AI or Not alternatives

Comparison

Tool	Price from	Free plan	Category
AI or Not	5 USD/mo	yes	AI detectors
Resemble AI	1,000 USD/mo	trial	AI detectors
GPTZero	not listed	yes	AI detectors
Replicate	0.025 USD	trial	APIs & models
ZeroGPT	not listed	yes	AI detectors
Turnitin	not listed	?	AI detectors
Grok	30 USD/mo	yes	Chatbots & AI assistants
DeepAI	9.99 USD/mo	yes	APIs & models

Each alternative in short

1. Resemble AI

Real-time detection of AI-generated audio, video and images, plus watermarking, for enterprises fighting deepfake fraud.

There is a free trial. Flex plan: no subscription fee, pay for credits as you go, platform and API access, no credit card needed to start.

2. GPTZero

Free AI detector that scores text for AI-generated content, sentence by sentence, for educators, students and writers.

Yes, there is a free plan. Free basic AI detection by pasting text into the scanner; the homepage advertises it as free. Paid features are not detailed in the provided text.

3. Replicate

Cloud API for running open-source and proprietary AI models (image, video, audio, LLMs) with one line of code, billed per use.

There is a free trial. A 'Try for free' option is offered on the homepage; the text does not specify the free allowance.

4. ZeroGPT

Online AI content detector that flags AI-written text and images, plus paraphrasing, grammar and plagiarism tools for writers, students and educators.

Yes, there is a free plan. Free plan, no credit card needed, with limited access to the tools (the 15,000-character limit shown on the homepage applies to the detector input).

5. Turnitin

Academic integrity platform that detects plagiarism and AI-generated writing and supports grading and feedback for schools and universities.

The vendor does not state this clearly on the homepage or pricing page.

6. Grok

Frontier AI models from SpaceXAI for chat, code, voice, images and video, available via apps, X and a developer API.

Yes, there is a free plan. Free plan gives access to Grok within generous limits, including voice mode, connectors and real-time web and X search, with limited Grok Bot and Expert features.

7. DeepAI

All-in-one creative AI platform for images, video, music, chat, photo editing and voice, for hobbyists, artists and developers.

Yes, there is a free plan. Free access without an account, with limited HD images and editing, limited standard chat messages, up to 200 Theos a day in DeepAI Code, limited AI music generation, 60 seconds/day of AI Voice Chat, and a limited photo editor. No Genius or Super Genius modes, live web browsing, video, or Concierge tasks.

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