SubRank

Kiro

by AWS

Best for developers who want a rigorous, three-phase engineering process. Kiro introduces 'spec-driven development'—forcing users to plan and define intent before agents execute—with credit-based pricing, agent hooks for automation, and access to Sonnet 4/4.5, Haiku 4.5, and Opus 4.5/4.6 models.

Pricing Plans

Free

$0 /mo

50 credits (+ 500 bonus for new signups)

Pro

$20 /mo

1,000 credits, pay-per-use overage at $0.04/credit

Pro+

$40 /mo

2,000 credits, pay-per-use overage at $0.04/credit

Power

$200 /mo

10,000 credits, access to Opus 4.6, pay-per-use overage at $0.04/credit

Key Features

IDE Extension
Standalone App
CLI Access
Agentic Workflow
Spec-Driven Development
Vibe Mode

Platforms

Kiro IDE (macOS, Windows, Linux) Kiro CLI (macOS, Linux)