Coding agents and AI IDEs

Coding agents and AI IDEs

Major coding agents and IDEs

CursorThe leading AI IDE; acquired for $60B in August.Claude CodeAgentic coding across terminal, IDE, desktop and web.CodexUpdatedOpenAI's coding agent, and the engine under ChatGPT Work.GitHub CopilotThe most widely deployed coding assistant, now multi-agent.Devin DesktopUpdatedWindsurf became Devin Desktop in June. Cognition: $48B valuation, ~$1B annualized revenue, and new Devin Oncall for production alerts.Antigravity · JulesGoogle's agent-first IDE and CLI, plus an async agent that returns pull requests.KiroUpdatedSpec-driven development: it writes requirements, then a design, then tasks.FactoryUpdated“Droids” for enterprise refactors and migrations; valued at $5B after a $200M raise (15 Sep).AmpMulti-model coding agent with smart, rush and deep modes.

Open-source agents and tools

OpenCodeUpdatedOpen-source terminal agent that works with 75+ model providers.Kilo CodeOpen-source agent acquired by Anaconda (July); de facto successor to Roo Code.ClineOpen-source VS Code and CLI agent with separate plan and act modes.DeepSeek HarnessOpen-source agent harness that passed 95K GitHub stars in two days, the top repo of August.REANewThe breakout open-source agent tool of October: an MCP server that lets coding agents reverse-engineer apps and binaries (~290K GitHub stars).

Editors, review and testing

WarpOpen-sourced agentic terminal (April).ZedFast editor; created ACP, which lets any agent run inside any editor.Harness CosmosUpdatedHarness bought Augment Code's core products and team (8 Oct); its context engine and agents continue as Harness Cosmos.CodeRabbitUpdatedThe leading AI code-review tool, now a $1.5B company, positioned as the checkpoint for agent-written code.BlacksmithAI coding made testing the bottleneck; Blacksmith's valuation rose almost 10x to $550M.

Compiled from public sources by Pro Pluribus; updated 16 Oct 2026. General information, not advice. Company names and logos belong to their owners and are used to identify them, without affiliation or endorsement. Terms