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OpenCode Go · official sources checked 2026-10-17 · not FreeBench verified

Set up OpenCode Go: paid plan and zero-token models

Use OpenCode v2 with selected Go-listed models whose token price is currently zero. OpenCode Go itself is a paid subscription, so check plan cost and balance-fallback controls first.

Before you connect: OpenCode Go is a paid monthly subscription: the source checked on 2026-10-17 lists Go at $10/month and Go Plus at $40/month. `longcat-2.5-preview-free` and `beam-free` are listed at zero token price for a limited time; Beam is limited to supported regions. Zero token price does not make the subscription free. If Extra usage is enabled, Go may fall back to your separate Zen balance when included limits are reached. The docs list no training and zero-day retention for LongCat 2.5 Preview Free, and no training with 30-day retention for Beam Free. Check your plan, region, current privacy terms and Extra usage setting before connecting; stop if paid fallback is enabled or unclear.

Before you start

  • OpenCode v2 installed in a supported terminal; review the v1-to-v2 migration notes before changing an existing shared installation.
  • An OpenCode Go or Go Plus subscription and a Go API key, only if you have reviewed and accepted its monthly charge and model-specific terms.
  • A project directory whose contents you are comfortable sharing with the model provider.

Setup steps

  1. Review the current OpenCode Go plan, model, pricing, regional availability and privacy pages. The two zero-token-price offers are limited-time models under a paid subscription.
  2. Install OpenCode v2 using the official command: npm install -g @opencode/cli. Preserve your existing configuration before switching a shared v1 installation.
  3. Before sending a request, open the OpenCode Console and turn Extra usage off if you do not want requests to fall back to a separate Zen balance. Confirm the selected Go/Go Plus plan and account state.
  4. From your project directory, run opencode, use /connect, select OpenCode Go and enter the Go API key using the CLI's credential flow. Never store the key in project files or commit it.
  5. Use /models to select and confirm `opencode-go/longcat-2.5-preview-free` or `opencode-go/beam-free`. Recheck that the exact model is still listed at zero token price; confirm regional eligibility before choosing Beam Free.

Verify and know when to stop

  • Confirm the CLI is OpenCode v2, the selected provider/model is exact, your Go plan is active, and Extra usage is disabled if balance fallback is not intended.
  • Recheck limited-time model availability, regional eligibility, subscription pricing and data retention before each new setup. This guide neither verifies account access nor sends a request or benchmark run.

Official sources

Guide facts checked 2026-10-17; vendor offers and instructions can change.