Freemium
AI-first code editor with fast autocomplete and agents that edit across your codebase.
Kiro
Agentic IDE that turns prompts into specs, then builds and validates code with agents.
What is Kiro?
Kiro is an AI development environment that emphasizes spec-driven development. Instead of jumping straight from a prompt to code, it helps you turn a request into structured requirements, a design and a task list, then uses agents to implement the work and check it against the spec. This approach aims to make AI-generated code more predictable and maintainable in larger codebases. Kiro also supports parallel agents and automations that respond to events in your project. A perpetual free tier includes a monthly credit allowance, with paid plans for heavier use. It suits teams that like vibe coding speed but need more structure.
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Kiro alternatives & related tools
Cognition's AI IDE, renamed from Windsurf in June 2026, with an agent command center.
Freemium
AI-native IDE that collaborates with you through chat, autocomplete and agents.
Open source
High-performance, open-source code editor with built-in AI agents and collaboration.