Free AI tools 2026
Editorial picks for "best free ai tools 2026".
48 tools
Windsurf
AI-native IDE turned agent command center, now folded into Cognition's Devin lineup.
Genei
AI research assistant that summarizes PDFs and web pages and answers questions across your document library.
Braintrust
FeaturedEval, monitor, and improve AI products end-to-end.
Google Vertex AI
Google Cloud's unified platform for building, deploying, and scaling enterprise AI agents and models.
Doubao
ByteDance's flagship AI assistant with a real agent mode and one of the largest user bases outside ChatGPT
Kittl
AI-first design platform combining multi-model image and vector generation with a full browser editor
Aider
Terminal-based AI pair programmer that writes commits.
Magnific
Generative AI upscaler and enhancer that hallucinates believable detail into low-res or AI-generated images.
PyCaret
Low-code Python AutoML library that wraps scikit-learn, XGBoost, LightGBM and friends behind a few-line API.
Quivr
Open-source RAG framework for building custom AI assistants over your own documents in a few lines of Python.
Semantic Kernel
Microsoft's open-source SDK for wiring LLMs, plugins, and agents into enterprise .NET, Python, and Java apps.
Helicone
Open-source LLM observability — one-line proxy install.
n8n
Source-available workflow automation with first-class AI-agent and RAG building blocks.
AgentOps
Observability and debugging platform purpose-built for AI agents, with time-travel replay and cost tracking across 400+ LLMs.
Arize AI
Enterprise observability and evaluation platform for LLM agents and generative AI applications.
Browser Use
Open-source browser automation harness and cloud platform for LLM agents that drive real websites.
Claude Code
Anthropic's agentic coding tool that reads, edits, and ships code from the terminal, IDE, or web.
Daytona
Secure, isolated sandboxes for running AI-generated code with sub-90ms cold starts.
Google AI Studio
Browser-based playground and API console for prototyping with Google's Gemini models.
HyperFrames
Open-source video composition framework that lets AI agents build videos by writing HTML, CSS, and JS.
Jan
Open-source desktop ChatGPT alternative that runs local LLMs and routes to cloud providers from one app.
LibreChat
Open-source, self-hostable ChatGPT-style frontend that brings every major LLM provider under one roof.
Lovable
Chat-driven app builder that turns natural-language prompts into deployable full-stack web apps.
LTX Studio
Storyboard-first AI video platform from Lightricks with shot-level camera and character control.
Poe
One subscription, every frontier model - Quora's multi-model chat hub with bots, image, video, and audio generation.
Berkeley Function-Calling Leaderboard
Open benchmark from UC Berkeley that ranks LLMs on real-world tool-use and function-calling accuracy.
InVideo AI
Agentic AI video platform that turns scripts into fully edited, multi-shot videos across 200+ models.
Kling AI
Kuaishou's flagship AI video generator, currently topping the ELO leaderboard for text-to-video and image-to-video.
Langflow
Open-source visual builder for LangChain-style AI agents and RAG pipelines.
Le Chat
Mistral's ChatGPT-style assistant, now an agent that browses, codes, and plugs into your work tools.
Mastra
Open-source TypeScript framework for building, deploying, and observing AI agents and workflows.
MLflow
Open-source platform for tracking, evaluating, and deploying ML models and LLM applications.
Repomix
Packs an entire codebase into a single AI-friendly file so LLMs can actually read your repo.
Respeecher
Studio-grade AI voice cloning and TTS used by Hollywood productions for speech-to-speech and dubbing work.
.png){kind=small}
W&B Weave
Production observability, tracing, and evaluation for LLM and agent systems from the Weights & Biases stack.
ChatGPT
OpenAI's flagship conversational assistant, and the default benchmark every other chatbot is measured against.
Gemini CLI
Google's open-source terminal agent that brings Gemini 3 into your shell for codebase edits and workflow automation.
OpenHands
Open-source autonomous coding agent that plans, edits, and ships changes across real codebases.
ProWritingAid
AI-powered writing coach and manuscript editor built for fiction authors and long-form writers.
Rivet
Open-source visual IDE for building and debugging LLM agent graphs.
Atua
Keyboard-summoned macOS AI assistant that reads your screen and drives system apps with your own API keys.
DomoAI
Multi-model AI video platform covering text-to-video, image-to-video, style transfer, and talking avatars.
Grammarly
Cross-app AI writing assistant that catches errors, rewrites paragraphs, and adjusts tone in the tools you already use.
Khoj
Open-source personal AI that builds agents, searches your documents, and automates research across local files and the web.
LLM Stats
Live leaderboard and side-by-side comparison hub for 300+ frontier LLMs across reasoning, coding, and multimodal benchmarks.
Colossyan
AI avatar video platform aimed squarely at corporate training and L&D teams.
Hedra
AI creative agent for character-driven video, image, and audio generation built around the Character-3 model.
Limitless
AI wearable pendant that records and transcribes your conversations into a searchable personal memory.