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copilot: no usable models listed — stale catalog, empty sync, no policy filtering #52983

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copilot: no usable models listed — stale catalog, empty sync, no policy filtering#52983
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jlongster

Description

@Luckyy05
Luckyy05
opened on Oct 3, 2026

Description

After connecting GitHub Copilot (OAuth device flow succeeds, credential stored and active), opencode models lists zero github-copilot/* models.

Direct API checks with the stored credential show the token is valid: GET https://api.githubcopilot.com/models returns ~49 models, each annotated with policy.state (enabled / disabled) and supported_endpoints. But OpenCode never surfaces a usable one:

  1. Dynamic sync yields nothing. With no explicit config, no github-copilot/* model appears, even though the provider is registered (GET /api/provider shows github-copilot with activation: auto) and the account has entitled models.
  2. Explicit providers.github-copilot.models entries only survive if the ID exists in the bundled snapshot catalog. IDs such as kimi-k3, gpt-5.4-mini, gpt-5.3-codex, claude-haiku-4.5, gpt-4o, gpt-4.1 (all policy-enabled for the account, all present in the current models.dev github-copilot catalog) are silently dropped on opencode reload. Only snapshot-era IDs (e.g. gpt-5.4, claude-sonnet-5.5, gemini-3.8-flash, claude-opus-5) are kept.
  3. The surviving snapshot IDs are all policy.state=disabled for the account, so using any of them fails: opencode run --model github-copilot/gemini-3.8-flash returns 400 model_not_supported. Snapshot IDs absent from the account's /models (e.g. kimi-k2.7-code) fail with 400 model_not_available_for_integrator "opencode".
  4. modelID overrides break routing. An explicit entry with a modelID different from its key (e.g. key gpt-5.4 with modelID: kimi-k3) is dropped entirely: provider.no-route / Model unavailable: github-copilot/gpt-5.4.

Net effect: there is no way to select a usable Copilot model — the selectable set (stale snapshot, all policy-disabled) and the usable set (policy-enabled, missing from snapshot) do not intersect.

Plugins

None (no plugins configured; no MCP servers).

OpenCode version

2.0.22 (@opencode/cli, latest channel; verified newest published version)

Steps to reproduce

  1. opencode auth login → select GitHub Copilot → complete the device flow (succeeds, credential active).
  2. opencode models → no github-copilot/* entries (only opencode/* free models).
  3. Add explicit models under providers.github-copilot.models in ~/.config/opencode/opencode.json, then opencode reload → only snapshot-era IDs appear; current IDs (kimi-k3, gpt-5.4-mini, gpt-4o, …) are dropped.
  4. opencode run "hi" --model github-copilot/gemini-3.8-flash → 400 {"code":"model_not_supported"}.

Screenshot and/or share link

N/A (CLI output; exact API error codes included above).

Operating System

Windows NT 10.0.26200 (win32 x64)

Terminal

PowerShell commands executed via local OpenCode server (TERM=xterm-256color)

Activity

  1. github-actions
    assigned
    jlongster
    on Oct 3, 2026

  2. github-actions commented on Oct 3, 2026

    @github-actions
    github-actionsBot
    on Oct 3, 2026 – with GitHub Actions
    Contributor

    This issue might be a duplicate of existing issues. Please check:

    • #42083: Copilot model filtering leaves the picker empty even when the API reports models as enabled and usable.
    • #51928: Copilot OAuth succeeds, but model sync does not populate the model list.

  3. edwardEsmerson commented on Oct 8, 2026

    @edwardEsmerson
    edwardEsmerson
    on Oct 8, 2026

    Additional reproduction and evidence from Linux/WSL2:

    Environment

    • OpenCode: v2.0.25, latest channel
    • OS: Linux under WSL2 (6.6.87.2-microsoft-standard-WSL2)
    • Shell: fish
    • Active plugin: /home/solan/src/opencode-plugins/opencode-usage

    Reproduction and observations

    1. Connect GitHub Copilot through the OAuth device flow.
    2. opencode auth list shows an active stored GitHub Copilot OAuth credential.
    3. The OpenCode service/API is healthy (opencode service status, /api/info).
    4. Immediately after login, the Copilot provider had zero models. The server log repeatedly reported:
    failed to sync GitHub Copilot models
cause="TimeoutError: The operation timed out."
    1. Restarting the service temporarily repopulated 37 Copilot models, but the selectable inventory still omitted callable legacy models such as gpt-4.1 and gpt-4o-mini.
    2. OpenCode requests using visible models such as github-copilot/claude-haiku-5.5 and github-copilot/gpt-5-mini fail with:
    The requested model is not supported.

    Account/API verification

    Using the stored credential locally (token redacted):

    • GET https://api.githubcopilot.com/models returns HTTP 200.
    • GET https://api.github.com/copilot_internal/user reports chat_enabled: true and an individual free_educational_quota account.
    • Direct chat completions return HTTP 200 and COPILOT_OK for gpt-4.1 and gpt-4o-mini.
    • The same direct endpoint returns model_not_supported for the newer models OpenCode exposes.

    This indicates the OAuth credential, entitlement, and network are working. The failure appears to be stale/incorrect Copilot model discovery or filtering: OpenCode exposes models that are not callable for this account while omitting models that GitHub accepts.

    A reconnect did not resolve it; restarting the OpenCode service only refreshed the stale inventory temporarily.

  4. opencode-agent commented on Oct 17, 2026

    @opencode-agent
    opencode-agentBot
    on Oct 17, 2026 – with OpenCode Agent
    Contributor

    Closing as a duplicate of #34644.

    GitHub Copilot Free and Student plans now only allow Auto model selection, so Copilot's /models returns every model with model_picker_enabled: false and OpenCode ends up listing no Copilot models. #34644 tracks adding a github-copilot/auto model for these plans; the fix is in progress in #55960.

    If explicitly configured providers.github-copilot.models entries are still dropped after Auto ships, please open a focused issue for that part.

  5. opencode-agent
    closed this as duplicateon Oct 17, 2026
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