GitHub Copilot provider missing Claude Opus 4.6 (1M context) model
Nobody has claimed this yet.
Assessment
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Newbie friendliness
- 68/100
- Issue type
- Feature
- Clarity
- Clearly specified
- Activity status
- Quiet
- Tech stack
- typescript
- Domain
- ai
Research direction
Start by locating the models.dev registry entry for the github-copilot provider and reviewing the existing claude-opus-4.6 definition with context: 144000. Add the separate 1M-context model entry so it appears in the GitHub Copilot model picker, matching the option exposed by VS Code.
Written by the indexing model from the issue text.
Description
OpenCode's GitHub Copilot model picker does not include "Claude Opus 4.6 (1M context)" as a selectable option, while VS Code's GitHub Copilot does expose it.
Current behavior
The GitHub Copilot provider in OpenCode lists claude-opus-4.6 with 144K context only. There is no 1M context variant available.
Expected behavior
A separate "Claude Opus 4.6 (1M context)" model should appear in the model picker, matching what GitHub Copilot exposes in VS Code.
Root cause
The models.dev registry only defines a single claude-opus-4.6 entry under the github-copilot provider with context: 144000. The 1M context variant needs to be added as a separate model entry.
Screenshots
OpenCode — no 1M context option:
VS Code GitHub Copilot — shows "Claude Opus 4.6 (1M context)":
- Dominant language
- TypeScript
- Stars
- 6.9k
- Forks
- 1.7k
- Avg merge
- 4h 10m
- Merged PRs (30d)
- 882
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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