The SWE-bench team released SWE-agent Multimodal, adding image inspection and a full headless web browser for UI and frontend debugging. The framework powers evaluations on SWE-bench Multimodal while serving as an out-of-the-box autonomous agent for frontend bug fixing.

Key Takeaways

  • ✓Expands software engineering agents from text-only diffs to interactive frontend UI debugging.
  • ✓Built-in browser sandbox lets agents inspect live DOM rendering and review console errors.
  • ✓Fully open-sourced on GitHub as both an evaluation harness and developer assistant.
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Up NextMicrosoft Research and UC Berkeley open-source TokenEconomizer, a plugin that cuts Claude Code and Codex costs by 18.4–30.9% on SWE-Bench without changing the agent
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