Best AI Coding Agents for DevTools (2026)

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 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 coding agent for terminal, IDE, and desktop. 177k GitHub stars, 7.5M monthly developers. Free with BYOK, GitHub Copilot login, or ChatGPT Plus/Pro login. MCP support.

Open-source VS Code AI coding agent with Code, Architect, and Debug modes. Repo archived May 2026 as company pivoted to Roomote. Free, BYOK, Apache-2.0. 24.2k GitHub stars.

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.

AI-native terminal with agentic coding, cloud agents, and codebase indexing. Now open-source. Free; Build $18/mo; Max $180/mo; Business $45/user/mo; Enterprise custom.

Open-source AI pair programming tool that runs in your terminal with BYOK model access. Free; users pay only for LLM API usage. 46K+ GitHub stars, 6.8M installs.

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.

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

Original open-source PR review agent (now The-PR-Agent/pr-agent). 11.7K GitHub stars. Free Apache 2.0 with BYOK LLM costs. Qodo offers commercial tier separately.

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 Surfaces abandoned approaches, superseded decisions, and reviewer constraints before agents edit code.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 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 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.

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.

Open-source autonomous coding agent that writes code, runs commands, and completes GitHub issues end-to-end. Free self-hosted (MIT), free cloud SaaS (BYOK), Enterprise custom. {{github_stars}} GitHub stars.

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.

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 by Google, now transitioning to Antigravity CLI. Free hosted tier ended June 18, 2026. Enterprise retains access. Apache 2.0 repo with 105k 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.

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

Open-source autonomous coding agent that fixes GitHub issues using your LM of choice. NeurIPS 2024 paper. 19.6K GitHub stars, 2.1K forks. Free MIT license with BYOK LLM costs.

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.

Fully autonomous AI software engineer that plans, codes, tests, and submits pull requests. Free tier; Pro $20/mo; Max $200/mo; Teams $80/mo + $40/seat. SOC 2, ISO 27001.

The most widely used AI coding assistant with deep GitHub ecosystem integration. Free; Pro $10/mo, Pro+ $39/mo, Max $100/mo. AI Credits billing live June 2026.

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.

Multi-surface AI coding platform with encrypted inference, CLI, IDE, Cloud, API, and Mobile. Pro $10/mo, Pro Plus $20/mo, Pro Max $40/mo. 400+ LLMs. Bootstrapped, $31.7M revenue.

Open-source AI coding agent for VS Code, JetBrains, CLI, Cloud, and Slack with parallel agents and 500+ models. 25.4K GitHub stars, 3M+ users. Free tier; Kilo Pass from $19/mo.

AI full-stack app builder with Supabase, Lovable Cloud, Agent Mode, and MCP servers. $330M raised, $100M ARR, $1.8B valuation. Free; Pro $25/mo; Business $50/mo.

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.

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.

Anthropic's agentic coding CLI that runs in terminal, IDE, Slack, web, and iOS. Pro $17/mo annual, Max $100-$200/mo. {{github_stars}} GitHub stars, MCP-compatible, SOC 2.

Open-source autonomous coding agent available as a VS Code extension, CLI, and embeddable SDK. 63.6k GitHub stars. Free with BYOK or managed inference; Enterprise custom.

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.

AI-first IDE with autonomous agent mode, iOS app, cloud subagents, and Composer 2.5 model. Pending $60B SpaceX acquisition. Free; Individual from $20/month.

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 development platform with TRAE IDE and TRAE SOLO autonomous coding agent. Lite $3/mo; Pro $10/mo; Pro+ $30/mo; Ultra $100/mo. Up to 20 concurrent cloud tasks.

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.

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.

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. 49.9K GitHub stars, 500+ contributors.

AI-powered IDE by Cognition (formerly Windsurf) combining local editor with cloud agent orchestration. Manage fleets of agents from one surface. Free tier; Pro $20/mo; Max $200/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.