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New model · New feature

Meta's Muse Spark Open is now available in Buildful

By Sandeep Panda

Meta's Muse Spark Open is now in Buildful's model picker on Pro and Team. Pick the open-weight model for a coding task, and it opens a tested pull request on your GitHub repo like any other model.

More models came into the picker the same day: Muse Wonder 1.0, Kimi K3, Qwen 3.8 Max, GLM 5.3, Gemini Argon, Gemini 3.8 Flash and Claude Haiku 5.5. Each one shows its provider's logo. Models you pick yourself don't use your plan's tasks: you pay for them from prepaid credit. See pricing for how credit works, and open-weight models for how Buildful uses them.

Archive finished tasks

You can archive a task once it has finished. Open the menu on its row in the task list and choose Archive. The task leaves your list but keeps its conversation and pull requests, and you'll find it under Archived in the sidebar. Choose Unarchive to bring it back, or send it a message.

  • Models
  • Tasks

About the author

Sandeep Panda

Co-founder, Bug0 · Building Buildful

Sandeep is building Bug0, which tests web apps with AI, and leads its core infrastructure and technology. He previously co-founded Hashnode and scaled it to millions of developers as its CTO. He wrote AngularJS: Novice to Ninja, co-wrote Jump Start HTML5, and thinks mostly about agentic testing and the infrastructure that makes AI-written code safe to ship.

Try it on your own repo

Describe a change. Buildful builds it, tests UI changes in a real browser, and opens a pull request. Your first 3 tasks are free, then 1,000 tasks for $10 a month. See pricing.

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