ChatGPT by OpenAI is a conversational AI platform powered by GPT-5 and o-series reasoning models for writing, programming, data analysis, and voice interaction.
Freemium / $8-$20
OpenAI Whisper is an open-source multilingual speech recognition and translation model trained on 680,000 hours of audio data, available as open-weights and API.
Free / $0.006/min API
DeepL is an AI translation and writing platform offering high-accuracy neural translation for text and documents across 30+ languages alongside DeepL Write.
Freemium / $8.74-$57.49/mo
Google Gemini is a multimodal AI ecosystem powered by Gemini 3.1 Pro and Flash models for reasoning across text, code, video, audio, and images.
Freemium / $19.99
Notion AI is an intelligent workspace assistant built into Notion, offering autonomous AI agents, enterprise search across apps, and automated meeting notes.
Freemium / $20/member/mo
Perplexity is an AI-powered conversational search engine delivering real-time, source-cited answers with model switching across GPT-5, Claude, and Sonar.
Freemium / $20/mo
DeepSeek is an open-weights AI ecosystem and assistant specializing in programming, mathematics, and logical reasoning via DeepSeek-V4 models.
Free / Open Source
Microsoft Copilot is an enterprise AI assistant featuring Think Deeper reasoning, Copilot Voice, Copilot Vision, and deep Microsoft 365 integration.
Freemium / $20-$30/mo
QuillBot is an AI writing and paraphrasing platform used by over 35 million writers, offering advanced rewriting modes, grammar checks, and humanizer tools.
Freemium / $8.33-$19.95/mo
Claude by Anthropic is an AI assistant powered by Claude Sonnet 5 and Opus 5 models, featuring interactive Artifacts, Projects, and Claude Code.
Freemium / $20
Kimi K3 by Moonshot AI is a frontier AI chatbot featuring a 2 million token context window, agent swarm orchestration, and complex coding and research reasoning.
Freemium / $19-$199/mo
Qwen AI by Alibaba Cloud is an open-weights AI family and free chatbot featuring Qwen3.8-Max (2.4T params), multimodal reasoning, and coding tools.
Free / Open Source
Grok by xAI is a frontier AI assistant powered by the Grok 4 family, featuring real-time X platform data, DeepSearch research, and Think reasoning.
Freemium / $8-$30/mo
Google Lens is a free visual search and OCR tool that identifies objects, translates text in real time, solves homework equations, and searches the web from photos.
Free
Adobe Firefly is Adobe's commercially safe generative AI creative platform, powering Generative Fill, vector expansion, and video creation across Creative Cloud.
Freemium / $9.99-$49.99/mo
Meta AI is a free conversational assistant powered by Llama foundation models, integrated across WhatsApp, Instagram, Messenger, and web with Imagine image tools.
Free
WPS AI is an integrated office copilot for WPS Office that generates documents, summarizes multi-page PDFs, builds spreadsheet formulas, and designs slides.
Freemium / $5.83-$19.99/mo
Duck.ai by DuckDuckGo is a privacy-first AI chat aggregator offering anonymous, untracked access to Claude, GPT-5, and Mistral without requiring an account.
Freemium / $9.99-$19.99/mo
LanguageTool is an AI multilingual writing assistant and grammar checker supporting 30+ languages with deep rephrasing, style fixes, and privacy protection.
Freemium / $4.99-$24.90/mo
HeyGen is an enterprise AI video platform that creates studio-grade videos with realistic talking avatars, video translation in 175+ languages, and voice cloning.
Freemium / $24-$149/mo
Synthesia is an enterprise AI video platform that converts text scripts into professional presenter videos with realistic avatars and voices in 160+ languages.
Freemium / $22-$89/mo




















