browser-use

Facts

Openness

Open source

Licence

MIT

Language

Python

Pinned version

5c892e0 (2026-09-04)

Topics checked

31 of 33

Kind of agent

Browser/GUI

Source repository (opens another site)

What it does notably well

• Budgets

  Step budget made visible to the model: from 75 % of max_steps a BUDGET WARNING context message tells it to consolidate and call done, and on the last allowed step the output…

  Final recovery attempt after the failure cap: at 5 consecutive failures the next step is forced to a done-only schema with a message to report what was found, and only one…

• Compaction

  The summary is fed back as <previous_compacted_memory> on the next compaction and rendered to the model inside <compacted_memory> with an inline comment telling it to treat the…

• Concurrency

  DOM tree build and screenshot capture start as two parallel tasks in one browser-state request, the screenshot waits only for the time left in a shared budget, and a failed…

• Config and routing

  Each auxiliary model task has its own plain setting: page_extraction_llm, judge_llm and fallback_llm are Agent constructor arguments, and compaction_llm is a field of…

• Message model

  Three fixed message slots (system, one state message, per-step context messages) in one canonical OpenAI-shaped type; tool results are text-folded into the next state message, so…