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GitHub updates HydraFusion AI model orchestration and adds HydraFusion Max

GitHub's HydraFusion AI feature for Copilot gets a newer model pool, reworked workflows and a new Max option for harder tasks, still in research preview.

Announced by GitHubPublished Checked

Summary

HydraFusion combines several AI models to produce one response, so users do not have to pick a model per task. The update changes the model pool, adjusts reasoning effort by stage, and revises the Cascade and Critique workflows. A new Max option targets more demanding tasks. Both options remain in research preview.

What changed

  • Model pool now includes Claude Opus 5.5, GPT-6 Astra, GPT-6.1 Sol and GPT-6 Luna.
  • Reasoning effort is set per stage: medium for first drafts, high for review.
  • Cascade can add a judging step that requests a repair only when needed.
  • Critique uses tools to inspect the workspace and runs parallel critic models.
  • HydraFusion Max is tuned for demanding tasks and works in VS Code, the Copilot app and Copilot CLI.

Availability

Preview

“Both HydraFusion and HydraFusion Max are available across VS Code, the GitHub Copilot app, and GitHub Copilot CLI and remain in research preview.”

Founder takeaway

If you already pay for a Copilot Pro, Pro+, Business or Enterprise plan, you can try HydraFusion once preview features are enabled. Test Max on a hard task, and keep in mind this is a research preview and org policies may limit access.

Sources

  1. GitHub — HydraFusion updates and new Max option - GitHub ChangelogPublished · Checked

Researched and drafted with AI from the official sources above, then checked automatically before publishing. Spotted a mistake? Tell us.

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