OpenCode · Open-source coding agent
Product and access
OpenCode offers the same coding agent through multiple surfaces. Plan and Build control exploration and implementation; MCP extends the built-in tools.
Provider
OpenCode terms name ANOMALY INNOVATIONS, INC. as the contracting party. The team develops the open coding agent and offers its own model access through Zen and Go.
- Operator
- ANOMALY INNOVATIONS, INC.
- Organization
- Company
- Website
- opencode.ai
- Repository
- anomalyco/opencode
- GitHub stars
- 212,252 · Reviewed
- License
- MIT
Core features
7 features from provider sources · checked on 9 October 2026. Availability and limits are listed below.
Switch between Plan and Build
Plan supports exploration with restricted changes; Build implements work with the configured tool permissions.
Source 1Initialize project rules
The /init command creates an AGENTS.md file as persistent project context.
Source 1LSP context and shared sessions
OpenCode loads relevant language servers automatically and offers shareable session links for collaboration.
Source 5
Requirements and limits
Requirement
Connect a model provider
Suitable model access and its credentials are configured separately; usage and costs follow the selected provider.
Source 1Limitation
Many tools allowed by default
The default configuration allows most tools. Access outside the project and repeated identical calls prompt for approval; explicitly set permissions to allow, ask or deny.
Source 2Limitation
Web search requires suitable access
Web search is available with OpenCode or Go access or enabled EXA/Parallel environment options.
Source 3Limitation
Go subscription per workspace
A workspace can have one Go subscriber. The usage budget has five-hour, weekly and monthly limits.
Source 6
Operation & oversight
Operational details for this profile have not yet been researched.
Practical tasks
Editorial examples based on documented features. No product tests performed.
Explore a codebase with Plan
- Your input
- A repository, project rules and a specific architecture question.
- Possible result
- An analysis with references and an implementation proposal.
- What to check
- Check references, applicable Plan permissions and proposed changes.
Implement a small change with Build
- Your input
- A reviewed plan, a bounded file selection and test commands.
- Possible result
- A reviewable diff with completed project checks.
- What to check
- Check files, commands, tests and potential Undo effects.
A repository, project rules and a specific architecture question.
Your possible prompt
Read the project rules. Investigate [error], propose a small change, and run the relevant checks. Show me the diff and any remaining uncertainties.
Getting-started idea based on documented capabilities. Not an executed product test. Adapt the task, data, and permissions.
Setup and pricing
Setup
Install, connect model access and initialize the project with AGENTS.md
Prices and included usage
Pricing checked
The open agent can run with your own or free models. Go subscriptions and Zen usage are optional model offerings.
- OpenCode agent
- USD 0 software fee
Agent with your own providers or local model access.
Price source - Go
- USD 10 per month
Access to selected coding models with model-specific usage limits.
Price source - Go Plus
- USD 40 per month
The same models with higher usage limits.
Price source
- Go limits apply in five-hour, weekly and monthly windows: 20%, 50% and 100% of the respective model budget. Only one member per workspace can subscribe to Go or Go Plus.
- Zen bills model requests by tokens; specific model rates are listed at https://opencode.ai/docs/zen/. Your own providers and local runtime have separate costs.
Sources and evidence
Official product documentation reviewed. Workflows and assessments are editorial; hands-on product tests are outside the scope of this directory.
Editorial team: Michael Meierhoff · sources reviewed on . Provider information is not independent evidence of performance.
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opencode.ai /docs/
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opencode.ai /docs/permissions/
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opencode.ai /docs/tools/
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opencode.ai /docs/mcp-servers/
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opencode.ai Official website
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opencode.ai /docs/go/