Codex is OpenAI's coding agent for software development across the Codex app, editor, terminal, and cloud tasks. It helps write, review, debug, refactor, and automate code, with ChatGPT plan access for managed surfaces and API-key usage for CLI, SDK, and IDE workflows. The open-source CLI and SDK support local repository work, while cloud features add GitHub review, Slack/Linear integrations, worktrees, skills, MCP, and automations.
Alternatives to Kiro
3 editor-selected alternatives · Kiro overview →
source: tools.alternatives · stored order · active records only; review scores are annotations and never change membership or order
A directional evidence panel appears only when the substitute rationale, trade-offs, sources, and verification date have been recorded. Older selections without that panel remain visible but are unclassified under the new evidence contract.
Amp is a multi-model coding agent for terminal, web, macOS/iOS, and IDE-connected workflows. Vendor docs describe the same agent and threads across surfaces, with remote Orbs, local Runners, Dial modes (low / medium / high / ultra), shared threads, MCP, plugins, and BYOK / linked ChatGPT subscriptions. Pricing spans a free Hobby tier, optional Megawatt ($20/mo) and Gigawatt ($200/mo) Individual plans, no-extra-charge Teams workspaces, pay-as-you-go credits, and Enterprise.
Open-source terminal-based AI coding agent built in Go by the SST team, with a rich TUI (Bubble Tea) supporting 75+ model providers including OpenAI, Anthropic, Gemini, Bedrock, Groq, and OpenRouter. Features vim-like editing, persistent SQLite sessions, and LSP integration for 40+ languages. Fully free with no vendor lock-in, it has rapidly grown to 95k+ GitHub stars.
Open-source Kiro alternatives
OpenCode — see all open-source developer tools.
Free Kiro alternatives
Amp offer a free plan or free tier.
More IDEs & Code Editors tools
same category, not editor-selected alternatives — see how Kiro compares →
Kiro head-to-head
- Google Antigravity vs Kiro — Autonomous Multi-Agent AI IDE vs Spec-Driven Workspace →
- Trae vs Kiro — Free Adaptive AI IDE vs Spec-Driven Agentic Workspace →
- Cursor vs Kiro — AI-Native IDE vs Spec-Driven Agentic Workspace →
- Kiro vs Codex: Spec-Driven IDE or Terminal-Native Coding Agent? →
- Kiro vs Claude Code — IDE Agent Against CLI Coding Agent →
- Kiro vs Cursor vs Windsurf — AI IDE Comparison for 2025 →
FAQ
Which Kiro alternative is listed first?
Codex is first in the editor-selected list of 3 Kiro alternatives and carries an editorial review score of 80/100. The stored order is editorial; review scores do not determine membership or position.
Are there open-source Kiro alternatives?
Yes — OpenCode are open source.
Are there free Kiro alternatives?
Yes — Amp offer a free plan or free tier.