AI detection AI tools with API

GPTZero AI Detector scans documents for potential AI-generated content, providing in-depth results on AI probabilities, vocabulary analysis, and hallucination detection, as well as plagiarism checking and authorship verification capabilities.

Undetectable AI scans text and images for signatures of models like GPT‑4, Gemini, and Claude, combining multiple engine results into a probability score. It handles paraphrased content, supports 50+ languages, and offers a Chrome extension and API.

Copyleaks delivers AI text and image detection, plagiarism checking, grammar correction, and text moderation in 30+ languages. It integrates via API, LMS, browser extensions, and Google Docs, supports major LLMs, and ensures secure, compliant workflows for education and enterprise.

Originality.ai evaluates text for AI generation, plagiarism, factual accuracy, readability, grammar, and SEO. The Chrome extension and web app enable on‑page checks, bulk scanning, PDF uploads, and API integration for writers and editors.

Walter Writes AI enhances AI-generated content by refining its structure and tone, making it indistinguishable from human writing. It supports over 80 languages and includes a built-in detection tool to identify AI-produced text.

WriteHuman AI Humanizer refines ChatGPT, Claude, Gemini, and Deepseek outputs into natural prose, preserving the author’s voice. It offers readability scanning, AI detection, multiple variations, word‑count control, and web/API access for batch workflows.

ZeroGPT detects AI‑generated text from models such as GPT‑4, LLaMA, Claude, and Jasper. It returns a percentage of AI content, sentence‑level flags, and a readability score, helping educators, writers, and SEO professionals verify authenticity.

PlagiarismSearch.com compares submitted text to a vast database of web pages, journals, and printed sources, highlighting matches and providing similarity reports, AI‑content detection, readability checks, spell‑check, and API integration for real‑time academic integrity.

AI Voice Detector identifies AI‑generated speech with up to 99 % accuracy. It analyzes MP3, WAV, OGG, M4A, MP4, MOV files up to 10 min by segmenting audio, applying voice‑activity detection, and deep‑learning scoring. Supports multiple languages, Chrome extension, desktop app, API.

AI Detector Pro provides comprehensive recognition of AI-generated text and includes advanced features to manage AI generation reports efficiently.

TextSight.ai detects AI-generated text and provides an Authenticity Score (0–100) with sentence-level confidence, model attribution, flagged highlights, one-click rewrites that preserve facts/citations and anchors, plus integrated scan, document, URL and API workflows.

Semihuman.ai converts AI‑generated text into natural, undetectable prose that passes Turnitin, GPTZero, and ZeroGPT. The web and API tools rewrite up to 250 words in 10‑30 seconds, preserving keyword density and readability for SEO and academic use.

Deepfake Detector analyzes audio, video, and image files with up to 95 % accuracy, offering noise removal, probability scores, confidence levels, and multilingual support. It includes a Chrome extension for web checks and an API for real‑time verification in business communications.

Nuanced is an AI tool that detects authenticity in digital content, differentiating genuine human-created content from AI-generated material. It offers privacy-focused operations and easy API integration for effective spam and abuse mitigation on user-generated platforms.

The AI plagiarism checker from plagiarismcheck.org uses advanced AI technology to detect AI-generated content and plagiarism, supports various file formats, and is useful in academia, SEO, and recruitment.

Illuminarty is an AI tool that detects AI-generated images and texts using computer vision and NLP algorithms. It offers a browser extension and API for automated detection.

Ai‑Spy analyzes MP3/WAV files to distinguish human from AI‑generated speech. It offers drag‑and‑drop uploads or link input, instant authenticity scores, word‑level breakdowns, exportable reports, and a SOC 2‑certified API for workflow integration.

AI Content Detector analyzes text to determine whether a human or AI wrote it. It accepts plain text or uploads, provides confidence scores and explanations, supports multiple languages, and includes step‑by‑step instructions and a video tutorial.

Parafact is an AI-driven fact-checking tool that evaluates text for accuracy using reliable sources. It supports various domains, provides source citations, and offers an API for developers to integrate fact-checking into their applications efficiently.

unfox.ai is an AI content detector that analyzes text to identify AI-generated content and provides confidence scores. It uses deep learning to evaluate perplexity, burstiness, and stylistic features, with sentence-level highlighting and support for 17 languages.

ZeroGPT is a comprehensive AI tool suite offering advanced features for content detection, text refinement, and translation, including AI detection, plagiarism checking, humanization, and summarization.