AI agents / Coding agents

Kiro
by AWS
AWS's agentic IDE built around specs and an Auto agent.
Closed sourceFree optionCoding agents
- Free tier
- Many plan sizes
- Enterprise billing via AWS
- Credit-based usage to track
- Small free allowance
- Not open source
| Best for | Teams on AWS wanting spec-driven agent development |
|---|---|
| Not for | Users wanting unlimited flat-rate use |
| Pricing | Free (50 credits); Pro $20; Pro+ $40; Pro Max $100; Power $200 per user/mo; extra credits $0.04 |
| Open source | No (Proprietary) |
| Category | Coding agents |
| Verified | 2026-10-14 |
Alternatives
Anthropic's agentic coding tool for the terminal, IDE and desktop app.
+ Works across terminal, supported IDEs and the Claude desktop app
− Not included on the Free plan
Closed sourcePaidCoding agents
OpenAI's coding agent across CLI, IDE extension, desktop app, web and cloud tasks.
+ Limited access even on ChatGPT Free and Go
− Cloud features need Plus or higher
Open sourceFree optionCoding agents
AI-first code editor with an agent that plans and edits across your codebase.
+ Full editor built around agent workflows
− Usage beyond the included pool costs extra
Closed sourceFree optionCoding agents
GitHub's AI pair programmer and coding agent that works from issues to pull requests.
+ Free tier and low-cost Pro
− Agent and chat usage is metered in AI credits
Closed sourceFree optionCoding agents
Related task guides
Sources
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