Agents & tool use Agents

ChatGPT is OpenAI's AI chatbot, released as a research preview on 30 November 2022. It grew to hundreds of millions of weekly users and added agents, voice, browsing and workplace tools.

Devin is an AI software engineer built by Cognition and announced on 12 March 2024. It plans and carries out engineering tasks using a shell, a code editor and a browser inside a sandboxed environment.

Claude Code is Anthropic's agentic coding tool. It was announced on 24 February 2025 as a research preview that works in the terminal, and it now runs in many places, from the terminal and IDEs to the web and Slack.

Codex is OpenAI's software-engineering agent. It started in 2025 as an open-source terminal tool and a cloud agent inside ChatGPT, and later grew into a desktop app with millions of weekly users.

An AI coding collaborator covering public use cases such as completion, explanation, and software-development workflows.

OpenHands is an open-source platform for AI software-development agents that write code, use a command line and browse the web, released under the MIT license and described in a paper accepted at ICLR 2025.

Replit Agent is an AI system from Replit that builds and deploys applications from a short natural-language description. It opened in early access to Replit Core subscribers in September 2024, and the company asked users to treat it as alpha software.

TRAE is ByteDance's AI coding product, launched in January 2025 with an IDE, a plugin and the SOLO agent. Its SOLO agent was renamed TRAE Work in June 2026.[^1][^9]

Operator is an AI agent OpenAI released on 23 January 2025 that works in a web browser by looking at screenshots and using a mouse and keyboard. Its abilities were folded into ChatGPT agent in July 2025.

Deep research is a research agent in ChatGPT, released by OpenAI on 2 February 2025 and built on a version of o3, that searches the web and turns many sources into a written report.

Amazon Nova Act is a model and SDK, released in March 2025, that lets AI agents carry out tasks inside a web browser by breaking workflows into small commands developers interleave with Python code.

Google Antigravity is a free, agent-first software development platform released by Google on 18 November 2025 for macOS, Windows and Linux, which runs Gemini models alongside rival models and later expanded into a CLI, SDK and managed API agent.

Claude Cowork is an agent for non-coding knowledge work, such as research, analysis and document creation. It launched as a research preview in January 2026 and now runs on desktop, web and mobile.

AutoGLM is a voice-driven smartphone agent from Zhipu (Z.ai), one of a family of agent and model releases that Zhipu has also published openly on Hugging Face.

SenseTime Raccoon (商汤小浣熊) is a family of AI tools for office work, data analysis and coding. It was first presented in February 2024 and upgraded with SenseNova V6.5 in July 2025.

Project Astra is a Google DeepMind research prototype of a universal AI assistant that watches and listens while it responds, shown at Google I/O in May 2024 and later rebuilt on Gemini 2.0.

Project Mariner is a Google research prototype of a browser agent, announced with Gemini 2.0 in December 2024. Running as an experimental Chrome extension, it completes web tasks by understanding what is on the screen, and its computer-use capabilities later moved toward Google's developer APIs.

A feature in the Gemini app that plans multi-step web research, gets the user's approval, browses for a few minutes and returns a report with links to its sources; later offered to developers as a managed agent in the Gemini API.

Jules is Google's asynchronous AI coding agent: it takes a task such as a GitHub issue, works in a secure cloud virtual machine, and returns a diff for review. It was previewed in December 2024 and reached general availability in August 2025.

Gemini CLI is an open-source AI agent released by Google on 25 June 2025 that brings Gemini models into the terminal, with a free personal-account tier and support for the Model Context Protocol.

Claude in Chrome is a Chrome extension that lets Claude see web pages, click buttons and fill in forms for the user. Anthropic began a pilot on 25 August 2025 and opened the extension to more plans through late 2025.

Kimi OK Computer is the agent mode of Moonshot AI's Kimi assistant, released on 26 September 2025, which turns a prompt into multi-page websites, editable slide decks and other files. It followed Kimi-Researcher and marked Kimi's move into general-purpose agent products.

Mistral Vibe is Mistral AI's open-source command-line coding agent, announced in December 2025 with Devstral 2; it later grew into a broader agent product with cloud sandbox sessions, a VS Code extension and monthly plans.

WorkBuddy is Tencent's desktop AI agent for workplace tasks. Launched in March 2026, it was later offered to global users with remote task access and standard tool connections.

Gemini Spark is Google's personal AI agent inside the Gemini app, announced at Google I/O on 19 May 2026. It runs around the clock and carries out tasks on the user's behalf, moving from trusted testers to the macOS app and to more than 160 countries.

Amp is a coding agent and development environment created by an independent agent research lab, marketed for frontier work and used by everyone from indie developers to very large engineering organizations.