Best Chatbots AI tools

ChatGPT by OpenAI is a flagship AI assistant for drafting, reasoning, file analysis, and coding. Offering free and paid tiers with robust features, it serves individuals and enterprises seeking versatile, general-purpose AI workflows.

Claude by Anthropic is an advanced AI assistant specializing in long-document analysis, structured reasoning, and high-quality editorial writing. Ideal for researchers, writers, and teams needing precise, calm, and nuanced text synthesis.

Perplexity is an AI-powered search engine that combines real-time web browsing with conversational AI. It delivers cited, synthesized answers, making it ideal for researchers and knowledge workers seeking verified, source-backed information quickly.

Gemini is Google's flagship multimodal AI model, deeply integrated into Workspace and Search. It offers advanced reasoning, 1M token context, and seamless productivity tools for users within the Google ecosystem.

Lumo by Proton is a privacy-first AI assistant offering zero-access encryption, open-source code, and GDPR compliance. It ensures conversations are never used for training or ads, available via web, iOS, and Android.

GPT-Live is OpenAI's real-time voice interaction feature for ChatGPT, enabling low-latency, natural conversations with AI agents.

Tencent Hy is listed at hunyuan.tencent.com, collected via Hermes Agent. Source lacks explicit AI features, pricing, or use cases. Verify official docs for capabilities before evaluation.

Lumo by Proton is a privacy-first AI assistant offering zero-access encryption, open-source transparency, and GDPR compliance for secure personal and business AI interactions.

Claude Science is an AI workbench for scientists that integrates common research tools, produces auditable artifacts, and provides flexible computing access to accelerate discovery.

Claude-Mem is an open-source memory engine providing persistent context across AI agent sessions. It captures, compresses, and retrieves relevant history for tools like Claude Code, Copilot, and Gemini.

Anthropic develops safe, reliable, and interpretable AI systems like Claude. Explore models, enterprise solutions, and safety research designed to secure AI's benefits for humanity.

Anthropic is an AI safety and research company building reliable, interpretable, and steerable AI systems like Claude. Explore models, developer docs, and safety commitments.

Asmi AI is a voice-based AI assistant that autonomously makes real phone calls to handle daily errands, book appointments, navigate IVRs, and coordinate with services like dentists or plumbers.

Google Gemini is Google's advanced AI assistant designed to help with writing, planning, brainstorming, and complex problem-solving using generative AI technology.

Poe is an AI chat aggregator by Quora that lets users access multiple large language models like GPT-4, Claude, and Llama in one interface.

Character.AI is a platform for creating and chatting with intelligent, emotionally expressive AI characters powered by advanced language models.

An open-source PyTorch guide by Sebastian Raschka to building a ChatGPT-like LLM from scratch, covering tokenization, attention, pretraining, and fine-tuning.

Prompts.chat is a free, open-source community platform for sharing, discovering, and collecting LLM prompts. It allows users to browse a vast library of prompts for models like ChatGPT and Claude, with full self-hosting capabilities for organizational privacy.

Flowise is an open-source, low-code platform for visually building AI agents and chatbots using LangChain and RAG. Self-host it for free or explore cloud options.

OpenHands is an open-source AI-driven development platform for building, testing, and deploying autonomous coding agents. It supports multiple LLMs via CLI/API, enabling automated code generation, DevOps, and agent orchestration without vendor lock-in.