Detection & Trust
AI text detectors, image and deepfake detectors, and plagiarism checkers, ranked on independent accuracy tests.
Best AI Detectors
Pangram, GPTZero, Originality.ai, Turnitin and more ranked on independent accuracy and false-positive studies, not vendor claims. Prices as of September 2026.
Best AI Image Detectors
Hive, Sightengine, AI or Not, Google SynthID, Content Credentials and more ranked on independent accuracy studies, robustness, price and coverage. Sept 2026.
Best Deepfake Detectors
Reality Defender is the best deepfake detector for organisations, covering audio, images and video in real time. Pindrop is best for voice and Hive is free.
Best Plagiarism Checkers
Turnitin is the most accurate plagiarism checker, but only schools can buy it. Students should use Scribbr ($19.95 per check), researchers iThenticate.
Best AI Detector for Teachers
We rank 8 AI detectors for teachers, from Pangram and GPTZero to Turnitin and Brisk, on false positives, bias against ESL students, LMS fit, privacy and cost.
Tool reviews, pricing and alternatives
GPTZero
GPTZero is an AI detector that estimates whether text was written by a person, a chatbot or both, with a free plan and paid tiers for teachers and writers.
Turnitin
Turnitin is the plagiarism and AI-writing checker that schools and universities license for their staff and students; individuals cannot buy it.
Other categories
AI Models & LLMs
Frontier and open-weight language models, APIs and embedding models, ranked on independent benchmarks, price and real-world reliability.
AI Assistants & Agents
Chatbots, AI search engines, browsers, extensions and autonomous agents for everyday work.
Writing & Content
Tools for drafting, editing, paraphrasing, summarising and polishing text, from essays to cover letters.
Image & Design
Image generators, photo editors, upscalers, headshots, logos and design tools.
Video, Voice & Music
AI video generation and editing, voice synthesis and cloning, music generation and transcription.
Developers & AI Infrastructure
Coding assistants, code review, agent frameworks, vector databases, observability, automation and website builders.
Business & Productivity
AI for marketing, sales, SEO, CRM, finance, legal, meetings, documents and data work.
Education & Learning
AI tutors, study tools, homework and maths help, research assistants and tools for teachers.
Healthcare AI
AI for clinicians, hospitals and health businesses: scribes, revenue cycle, CRM, imaging, neurology, decision support and patient access, judged on clinical evidence, regulation and privacy.
Customer Service & Voice Agents
AI voice agents, receptionists, support agents and contact-center platforms that talk to your customers, ranked on resolution rates, latency, integrations and cost per conversation.
HR & Recruiting
AI for hiring and people teams: sourcing, screening, interview intelligence and HR assistants, with bias-audit and employment-law compliance weighed heavily.
Security & IT
AI for defenders and IT teams: threat detection, security operations (SOC) automation and IT service management.
Learn AI
The best courses, certifications, podcasts and newsletters for learning AI, from complete beginner to practitioner, judged on quality, cost and how current they are.
AI Hardware & Devices
AI glasses, wearables, voice recorders, phones, laptops, GPUs, robots and smart-home devices, ranked on what the AI features actually do, battery life, privacy and price.