Coding agent · CLI / Desktop / IDE
Opencode
Verified Aug 2026
Quick answer: Provider-agnostic TUI/desktop/IDE agent with LSP, free models/BYOK, and optional OpenCode Go (~$10/mo) for curated open coding models (usable with any agent).
Best for
Provider-agnostic TUI/desktop/IDE agent with LSP, free models/BYOK, and optional OpenCode Go (~$10/mo) for curated open coding models (usable with any agent).
Skip if
You need a large commercial support org, Cursor-class GUI polish, or frontier Claude/GPT without Zen/BYOK.
Who it fits
- Provider-agnostic TUI/desktop/IDE agent with LSP, free models/BYOK, and optional OpenCode Go (~$10/mo) for curated open coding models (usable with any agent).
- Terminal-first engineers who live in the shell and git
- People who prefer a dedicated desktop coding surface
- Developers who want agent help inside an existing IDE
Pros
Provider-agnostic open-source agent (TUI, desktop, IDE extension); automatic LSP detection; free models plus BYOK across 75+ providers; OpenCode Go (~$10/mo, $5 first month) bundles curated open coding models with generous limits — usable in OpenCode or any agent via API key.
Cons
Smaller commercial support footprint than Cursor/Claude Code; Go is a curated low-cost lineup (not full frontier Claude/GPT) — Zen pay-as-you-go or BYOK for broader models.
Facts
- Locality:
- Local-first
- Surfaces:
- CLI, Desktop, IDE plugin
- Maturity:
- General availability
- BYOK:
- Bring your own API key
- Open source:
- Source available
- Free tier:
- Free option available
- Verified:
- Aug 2026
Agent standards & memory
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