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OpenCode Review

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Should I use OpenCode?

OpenCode - The open source coding agent. - opencode.ai

· 1 month ago

Buy it if your team lives in the terminal and wants a free, model-agnostic agent with no vendor lock-in. Skip it if you need vendor support, security sign-off, or polished onboarding — a 2026 RCE CVE and no security page make it DIY-only.

Confidence

Medium. Based on ~30 public sources; no named enterprise customers found, so company lists omitted.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support qualityNo support evidence in sources.
  • Security posture

Pricing

Free

Open source

Model75+
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes

Best for

  • Terminal-comfortable developers
  • Teams avoiding AI vendor lock-in
  • Cost-conscious solo devs
  • Local-first / offline workflows

Not for

  • Non-technical founders wanting a polished vendor product
  • Teams needing security or compliance sign-off
  • Anyone expecting SLAs, support desks, or hand-holding
  • Shoppers who want one predictable monthly price

Gotchas - check before you buy

high

CVE-2026-22812 command injection: unauthenticated local server enables remote code execution. Patch fast.

medium

No vendor security page — you own the risk review and patching.

medium

Download FAQ implies extra AI subscriptions may be needed for some models; verify before assuming free.

low

Name collision with archived opencode-ai repo and Kujtim Hoxha's earlier OpenCode — install the right one.

Pros and cons

Pros

  • Free and open source: 208k GitHub stars, 950 contributors.
  • Model-agnostic — 75+ providers, free models included, no lock-in.
  • Runs locally in terminal, desktop app, IDE, and SDK.
  • Can run offline, keeping code on your machine.
  • Install claimed to take 30 seconds.

Cons

  • CVE-2026-22812: RCE via unauthenticated local server (command injection).
  • No security page found on the official site.
  • Premium models likely require your own provider subscriptions.
  • Brand confusion with an archived older OpenCode project.

Sources & method

- 12 sources - One serious 2026 CVE (unauthenticated local server RCE); no security page on the official site.

official x2review x6security x2news x2
  • OpenCode Agent RCE via Unauthenticated Local Server (CVE-2026-22812), Command injection vulnerability tagged CVE-2026-22812; an unauthenticated local server allows remote code execution.

Key stats

  • Value for money: 5/5

    Rating

  • Free

    Starting price

  • 12

    Sources

  • Analyzed

  • Value for money: 5/5. Free, open source, bring-your-own models.
  • Ease of use: 4/5. 30-second install; terminal, IDE, desktop, SDK.
  • Feature depth: 5/5. 75+ providers, offline mode, multi-surface agent.
  • Support quality. No support evidence in sources.
  • Security posture: 2/5. RCE CVE-2026-22812; no public security page.
  • 208,000+ GitHub stars with 950+ contributors
  • 75+ Model providers plus free built-in models
  • 1,274 points Hacker News traction launch discussion thread
  • Yes Free tier open source, free models included

Pricing

Open source

Free

  • Free models included
  • Connect any model from any provider
  • Bring your own API keys

Security

One serious 2026 CVE (unauthenticated local server RCE); no security page on the official site.

  • OpenCode Agent RCE via Unauthenticated Local Server (CVE-2026-22812)Command injection vulnerability tagged CVE-2026-22812; an unauthenticated local server allows remote code execution.⁴

What users say

Social chatter is largely enthusiastic, with developers actively comparing it against Cursor, Claude Code, and Codex.

“This is sooo gooood OpenCode is an open-source AI coding assistant that runs”
Facebook post
“what are the benefits of using open code instead of for example Cursor, or CC or codex?”
Reddit, r/opencode

Alternatives

Compare OpenCode with each alternative.

  • Claude Code

    Anthropic's official agent; vendor support, single-vendor lock-in.

  • Cursor

    Polished AI IDE; simpler for devs who hate terminals.

    OpenCode vs Cursor

  • Cline

    Open-source agent with SDK, millions of developers.

Full analysis

Based on ~30 public sources; no named enterprise customers found, so company lists omitted.

Free, model-agnostic coding agent devs love — but a 2026 RCE CVE and no vendor support mean DIY security.

Methodology

Based on ~30 public sources; no named enterprise customers found, so company lists omitted.

Read how a report is made.

Sources

  1. OpenCode – Open source AI coding agent (Hacker News)news.ycombinator.com
    review
  2. OpenCode official siteopencode.ai
    official
  3. anomalyco/opencode on GitHubgithub.com
    official
  4. OpenCode Agent RCE via Unauthenticated Local Serverthehackerwire.com
    security
  5. OpenCode Security pageopencode.ai
    security
  6. What Is OpenCode? (DataCamp)datacamp.com
    review
  7. OpenCode: The Open Source AI Coding Agent Reviewed (dev.to)dev.to
    review
  8. OpenCode: 75 Models, Runs Offline (Medium)medium.com
    review
  9. r/opencode: why should I use it?reddit.com
    review
  10. Claude Code vs OpenCode CLI comparisonaimagicx.com
    news
  11. Top 7 Self-Hosted and Open-Source AI Coding Agentsopenhands.dev
    news
  12. OpenCode review (name history)heyuan110.com
    review

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