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[Copilot Free] Only Claude Haiku 4.5 available — request access to Claude Sonnet/Opus models #3705

@yezhang-233

Description

@yezhang-233

Summary

On the Copilot Free plan, the only available Claude model is Claude Haiku 4.5.
Claude Sonnet and Opus models are locked behind the Upgrade tab and require a paid plan.

Current behavior

When running /model in Copilot CLI (Agency v2026.6.2.8), the "Available" tab shows only:

  • Auto
  • GPT-5 mini (default)
  • Claude Haiku 4.5

Expected behavior

At least Claude Sonnet 4.5 should be available on the Free plan, even with a lower
rate limit or higher credit cost per request. Haiku is fast but lacks the reasoning depth
needed for complex coding tasks, making it hard for free-tier users to evaluate Claude's
full potential within Copilot.

Environment

  • OS: Windows 11 (ARM64)
  • Agency version: 2026.6.2.8
  • Copilot CLI version: v1.0.59
  • Plan: Copilot Free

Additional context

GPT-5 mini is provided as the default free model. It would be great to have a comparable
mid-tier Claude option (Sonnet) available as well, so users can make an informed choice
between model families before deciding to upgrade.

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    area:modelsModel selection, availability, switching, rate limits, and model-specific behavior
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