Best AI Coding Agents for DevTools (2026)

High-performance open-source code editor with native AI, MCP support, and multiplayer collaboration. Personal Free; Pro $10/mo; Business $30/seat/mo.

Open-source AI coding agent for terminal, IDE, desktop and CI, used by 16M developers monthly. Free and MIT-licensed with BYOK, GitHub Copilot, or ChatGPT Plus/Pro login. SOC 2 Type II.

Open-source AI coding agent for VS Code, JetBrains, CLI, Cloud, and Slack with parallel agents and 500+ models. 3M+ users. Free tier, with optional Kilo Pass inference from $19/mo.

AI-powered app builder generating full-stack web apps from chat in-browser. Design system integrations, built-in hosting and auth. Free; Pro $25/mo; Teams $30/user/mo.

Open-source VS Code AI coding agent with Code, Architect and Debug modes. Shut down May 15, 2026 and frozen at v3.54.0, but still installable. Continued by the Zoo Code community fork. Apache-2.0, BYOK.

AI-powered IDE from Cognition, formerly Windsurf, pairing a local editor with asynchronous cloud agents and MCP in both directions. Free tier, Pro $20 per month, Max $200 (USD).

Multi-surface AI coding platform that orchestrates Blackbox, Claude Code, Codex and Gemini and picks the best result. Free tier, then $8/mo billed annually (USD). 35+ IDEs, CLI, cloud, mobile.

Google's autonomous AI coding agent for end-to-end software tasks. Free 15 tasks/day; Pro $19.99/mo: 100 tasks; Ultra $124.99/mo: 300 tasks. GA at Google I/O 2026.

Google's agent-first AI development platform (VS Code fork) with multi-agent parallel orchestration. Free tier with Gemini 3.5 Flash and Claude models. MCP supported.

OpenAI coding agent for building and shipping software autonomously. Multi-agent parallel execution, Skills, Automations, and Sites. Free limited access; Plus $20/mo; Pro $200/mo; Enterprise custom.

Vercel's AI agent for automated code review and production debugging: full-context PR reviews validated in Sandboxes, plus root-cause analysis of failed deploys, errors, and cost spikes. Usage-priced, no seat license.

AI coding assistant and Junie autonomous agent built into JetBrains IDEs, Android Studio, and VS Code. AI Free included; AI Pro $100/yr; AI Ultimate $300/yr; Enterprise $60/user/mo.

Git-native memory layer for AI coding agents. Surfaces abandoned approaches, superseded decisions, and reviewer constraints before agents edit code. Free open source; Team tier planned.

AI memory layer with Long-Term Memory technology capturing developer context across browsers, IDEs, and collaboration tools. 150,000+ developers. Free Individual; Teams custom pricing.

The most widely used AI coding assistant, with the broadest IDE coverage in the category and a first-party MCP server. Free tier, with Pro from $10 per user per month (USD).

AI agent that builds mobile apps and websites from natural language descriptions. Free $0; Core $17/mo; Starter $42/mo; Pro $168/mo; Max $399/mo. iOS, Android, web deploy.

Frontier agentic coding agent by Sourcegraph for the terminal and editor, with subagents, remote execution, and MCP tools. Pay-as-you-go with zero markup; Amp Free tier; Enterprise adds a 50% premium.

AI-native terminal and agentic development environment with cloud agents, codebase indexing, and MCP client support. Open-source, 63.1k stars. Free; Build $18/mo; Max $180/mo.

Anthropic's agentic coding agent for terminal, VS Code, JetBrains, Slack, web, desktop and iOS. Pro from $17/mo billed annually (USD), Max $100 to $200/mo. MCP server and client.

Open-source autonomous coding agent for VS Code, CLI, and an embeddable SDK. Free with BYOK or managed inference at cost. ClinePass adds open-weight models from $9.99/mo, and Enterprise is custom priced.

AI code review and governance platform (formerly CodiumAI) with agentic PR review, IDE plugin, CLI, and living rules. Pro Team from $30/mo credit packs; Enterprise custom.

Original AI coding platform with private deployment, zero data retention, and air-gapped options for regulated enterprises. Code Assistant $39/user/mo annual; Agentic Platform $59/user/mo annual.

AI coding assistant purpose-built for JetBrains IDEs with custom Tab autocomplete. Free trial; Basic $10/mo; Pro $20/mo; Ultra $60/mo. SOC 2 compliant. 67K+ downloads.

Open-source autonomous coding agent that fixes GitHub issues using your LM of choice. NeurIPS 2024 paper. 19.8K GitHub stars, 2.2K forks. Free MIT license with BYOK LLM costs.

AI agent inside Replit that builds, runs, and deploys full-stack apps from chat. Security Agent, Auto-Protect CVE monitoring. $922M raised, $9B valuation. Free; Core $20/mo; Pro $100/mo.

AI coding platform built on Lumen production-first models with UK Sovereign AI coalition backing. Starter $19/mo; Team $199/mo; Enterprise from $999/mo. Air-gapped deployment.

Open-source community-maintained AI coding agent with local-first BYOK deployment. Refact Cloud retired April 2026. VS Code, JetBrains, MCP. Free and open source.

Open-source AI pair programming tool that runs in your terminal with BYOK model access. Free; users pay only for LLM API usage. 47K+ GitHub stars, 6.8M installs.

AI development platform: TRAE IDE plus TRAE SOLO autonomous coding agent. Free tier; paid Lite $3/mo ($2.25 billed annually), Pro $10, Pro+ $30, Ultra $100. Up to 20 concurrent cloud tasks.

Fully autonomous AI software engineer from Cognition that plans, codes, tests and opens pull requests from Slack or GitHub. Free tier, Pro $20 per month, Max $200 (USD).

Original open-source PR review agent (now The-PR-Agent/pr-agent). 12K GitHub stars. Free Apache 2.0 with BYOK LLM costs. Qodo offers commercial tier separately.

AI coding platform with deep codebase context for enterprise engineering teams. Business $100/mo flat for up to 50 seats; Enterprise custom. $252M raised. SOC 2.

Open-source terminal AI coding agent for large projects with 2M token context. Cloud service winding down. Self-hosted only. 15.5K GitHub stars. Free BYOK.

Developer-first AI security platform for code, dependencies, containers, and IaC. Free $0; Team $25/mo/developer; Ignite $1,260/yr; Enterprise custom.

Open-source AI coding agent by Google, now transitioning to Antigravity CLI. Free hosted tier ended June 18, 2026. Enterprise retains access. Apache 2.0 repo with 106k GitHub stars.

AI engineering department that ships your backlog. Connect GitHub, assign tasks to AI Frontend or Backend developers, get reviewable code updates. Free 5 credits; Pro $20 with 50 credits.

Open-source terminal coding agent with self-healing execution. Describe your goal, NOVA writes files, auto-fixes errors, and resolves dependencies. Free tier available, paid from $14/mo.

Enterprise AI coding assistant with deep codebase context, MCP server access, and Big Code search. Series D funded. Sourcegraph Enterprise plan starting at $16K.

Foundation model lab building enterprise AI for software agents and long-horizon work. Console, IDE extensions, CLI, MCP-connected tools. Laguna models. Custom enterprise pricing only.

Vercel's AI agent for full-stack apps and React components from prompts. Web search, browser use, MCP, Marketplace integrations. Free $0; Team $30/user/mo; Business $100/user/mo.

Open-source autonomous coding agent that writes code, runs commands and closes GitHub issues end-to-end. Free self-hosted under MIT, free cloud tier with bring-your-own-key, Enterprise quote-only.

AI-first code editor with autonomous agent mode, cloud subagents, an iOS app and the proprietary Composer 2.5 model. Free tier, with Individual from $16/month billed annually (USD).

AI full-stack app builder with Supabase, Lovable Cloud, Agent Mode, and MCP servers. $330M raised, $100M ARR, $6.6B valuation. Free; Pro $25/mo; Business $50/mo.

Cursor's Cloud Agent runs autonomous coding tasks in the cloud without the IDE open. Included on Hobby (limited), Individual $20/mo, Teams $40/user/mo, and Enterprise.

Open-source agentic IDE for orchestrating multiple coding agents in parallel with app previews and git workflows. BYOK or subscription passthrough. AGPL-3.0. YC S25. 6.7K GitHub stars.

Agent-native software development platform with Droids autonomous agents and full SDLC automation pipeline. $220M raised at $1.5B valuation. Pro $20/mo; Plus $100/mo; Max $200/mo.

Open-source AI agent by Block (formerly Square) for code, workflows, and automation. Apache 2.0, BYOK model, desktop app + CLI + API. 51k GitHub stars, 500+ contributors.