Best AI Chatbot Tools (2026)

Interactive demos showing how invisible Unicode characters and visual lookalikes can carry secret messages through ordinary text, and what that means for AI safety and alignment.

AI with medical memory that actually knows you. Root-cause analysis, lab interpretation, and a doctor when you need one. Not another chatbot.

Your LLM compiles and maintains a structured wiki from raw sources. Open-source implementation of Karpathy's LLM Wiki.

We introduce Adversarial Cost to Exploit (ACE), measuring the token expenditure an adversary must invest to breach an LLM agent. Six budget-tier models show an order-of-magnitude variance in adversarial cost.

We introduce Vicuna-13B, an open-source chatbot trained by fine-tuning LLaMA on user-shared conversations collected from ShareGPT. Preliminary evaluation using GPT-4 as a judge shows Vicuna-13B achiev...

Better pricing, better stability. The unified LLM API gateway supporting OpenAI, Claude, Gemini, DeepSeek and 30+ providers.

Distributed LLM inference. Chat for free, powered by GPUs worldwide. No signup. Open source.

Axiom is a general-purpose distributed experiment platform — the first volunteer computing project autonomously managed by an AI. An LLM serves as the principal investigator: designing experiments, deploying them to volunteer hardware, reviewing results, and awarding FLOPS-based credit.

Convert any codebase into plain English that an LLM can execute. Ship of Theseus for code. Function by function, the entire repo becomes readable prose — and it still runs.

Respan is the LLM engineering platform that unifies observability, evals, prompt optimization, and a unified LLM gateway. Ship reliable AI applications with confidence.

Build, deploy, and manage AI agents with ease. Radiantly provides a powerful platform for creating intelligent automation workflows and conversational AI agents.

Access all LLMs in one place. Switch between ChatGPT, Claude, Gemini, and more AI language models seamlessly. Compare outputs, manage conversations, and find the perfect AI model - all from a single unified platform.

ML, Biotech, Hardware, and Coordination Problems. Sometimes I write about hard problems and how to solve them.

Self-declare heavy LLM use in your projects.

Automate tasks with 7 autonomous agents working on your schedule.

Compare real-time GPU and LLM pricing across providers.

Create efficient AI-driven conversations with ease.

Transform simple prompts into structured instructions instantly.

Hire an AI pentester that works 24/7 on your team.

Reduce LLM token costs by 40% with ease.

Explore the complete history of 194+ large language models.

Create custom AI chatbots in minutes without coding.

Build conversational AI bots that chat naturally.

Create custom AI chatbots for your customer service needs.

Create content and solve problems with a powerful AI assistant.

Chat with AI bots for text and image interactions.

Quickly deploy custom GPT chatbots in under 5 minutes.

Create custom chatbots and automate tasks effortlessly.

Chat with top AI chatbots for natural conversations.

Transform customer interactions with AI-powered chat support.