Claude Code alternatives (2026): open-source and free options

Short answer: The closest Claude Code alternatives are OpenAI Codex CLI (open source, ChatGPT plan), Gemini CLI (open source, free tier) and OpenCode (open source, any model). For VS Code, look at Cline or Kilo Code. For a local, model-agnostic agent, goose.
#ToolPricingAgentPick ScoreTry it
#1OpenCode 1.19.0Open source (you pay for model usage)99/100Official source ↗
#2Gemini CLI 0.64.0Open source (free tier with a Google account; paid API optional)95/100Official source ↗
#3OpenHands 1.27.1Open source (you pay for model usage)94/100Official source ↗
#4OpenAI Codex CLI 0.162Open source (needs a ChatGPT plan or API key)93/100Official source ↗
#5Cline 4.1.24Open source (you pay for model usage)92/100Official source ↗
#6goose 1.54.0Open source (you pay for model usage)92/100Official source ↗
#7Kilo Code 7.8.10Open source (you pay for model usage)90/100Official source ↗
#8Vani Code Agent for VS CodeFree extension; usage billed via API keyCommercialOfficial source ↗
#9Gemini 4 Argon (incl. GitHub Copilot)Paid (Gemini API paid tier, AI Ultra, Copilot Pro+ and up)CommercialOfficial source ↗
#10Muse Wonder / Muse Wonder FullAPI $4/$20 per 1M tokens; Full via subscriptionCommercialOfficial source ↗

Ordered by AgentPick Score. Links may become affiliate links; they never change order. Disclosure.

The sourced entries

OpenCode 1.19.0 logoOpenCode 1.19.0

Coding agents & IDE assistants AgentPick Score 99/100 · #1 in category Released 11 Oct 2026

Verdict: Mainly a bridge release to OpenCode 2, plus a PTY security check. Run /update when you're ready, since auto-updates are now off.

Test notes: The verdict is based on the linked public release notes only.

Pricing: Open source (you pay for model usage)

Source: github.com · Last checked 15 Oct 2026

Gemini CLI 0.64.0 logoGemini CLI 0.64.0

Coding agents & IDE assistants AgentPick Score 95/100 · #3 in category Released 13 Oct 2026

Verdict: A maintenance release, mostly relevant if you run Gemini CLI as an A2A server or through ACP-based editors.

Test notes: The verdict is based on the linked public release notes only.

Pricing: Open source (free tier with a Google account; paid API optional)

Source: github.com · Last checked 15 Oct 2026

OpenHands 1.27.1 logoOpenHands 1.27.1

Coding agents & IDE assistants AgentPick Score 94/100 · #4 in category Released 12 Oct 2026

Verdict: A patch release. Update if you run OpenHands in Docker.

Test notes: The verdict is based on the linked public release notes only.

Pricing: Open source (you pay for model usage)

Source: github.com · Last checked 15 Oct 2026

OpenAI Codex CLI 0.162 logoOpenAI Codex CLI 0.162

Coding agents & IDE assistants AgentPick Score 93/100 · #5 in category Released 8 Oct 2026

Verdict: Worktree support is the headline: it makes running parallel agent tasks on one repo cleaner. Worth updating if you run Codex on several tasks at once.

Test notes: The verdict is based on the linked public release notes only.

Pricing: Open source (needs a ChatGPT plan or API key)

Source: github.com github.com · Last checked 15 Oct 2026

Cline 4.1.24 logoCline 4.1.24

Coding agents & IDE assistants AgentPick Score 92/100 · #6 in category Released 13 Oct 2026

Verdict: A maintenance release: mostly model-catalog and default changes. Check your model selection after updating, since defaults changed for many providers.

Test notes: The verdict is based on the linked public release notes only.

Pricing: Open source (you pay for model usage)

Source: github.com · Last checked 15 Oct 2026

goose 1.54.0 logogoose 1.54.0

Coding agents & IDE assistants AgentPick Score 92/100 · #7 in category Released 8 Oct 2026

Verdict: Shareable HTML session exports are handy for reviewing or demoing what an agent did. A solid pick if you want a model-agnostic local agent.

Test notes: The verdict is based on the linked public release notes only.

Pricing: Open source (you pay for model usage)

Source: github.com · Last checked 15 Oct 2026

Kilo Code 7.8.10 logoKilo Code 7.8.10

Coding agents & IDE assistants AgentPick Score 90/100 · #10 in category Released 14 Oct 2026

Verdict: A small quality-of-life release. Useful if your agent kept missing generated files you actually wanted it to read.

Test notes: The verdict is based on the linked public release notes only.

Pricing: Open source (you pay for model usage)

Source: github.com · Last checked 15 Oct 2026

Vani Code Agent for VS Code logoVani Code Agent for VS Code

Coding agents & IDE assistants Released 14 Oct 2026

Verdict: A careful, approval-first coding agent and an easy pick for VS Code users who want to try another model. It's still in preview: desktop apps and a CLI haven't shipped yet.

Test notes: The verdict is based on the linked public sources only.

Pricing: Free extension; usage billed via API key

Source: vani.ai · Last checked 14 Oct 2026

Gemini 4 Argon (incl. GitHub Copilot) logoGemini 4 Argon (incl. GitHub Copilot)

Coding agents & IDE assistants Released 13 Oct 2026

Verdict: It's the new model to try for long refactors and migrations if you already pay for Copilot or AI Ultra. Access on lower Copilot tiers is limited.

Test notes: The verdict is based on the linked public sources only.

Pricing: Paid (Gemini API paid tier, AI Ultra, Copilot Pro+ and up)

Source: blog.google github.blog · Last checked 14 Oct 2026

Muse Wonder / Muse Wonder Full logoMuse Wonder / Muse Wonder Full

Coding agents & IDE assistants Released 12 Oct 2026

Verdict: A strong new contender for heavy, multi-file agent work. The best version sits behind the Power and Maximum Usage plans.

Test notes: The verdict is based on the linked public sources only.

Pricing: API $4/$20 per 1M tokens; Full via subscription

Source: dev.meta.ai · Last checked 14 Oct 2026

Last updated 15 Oct 2026.

AgentPick Weekly

The week's new agent tools with a verdict on each, every week. Free. We'll email you a link to confirm, and you can unsubscribe any time. See our Privacy Policy.