Answer · Agents & Automation
What AI models does Browser Use use?
Browser Use runs on Bring your own key (Any), BU 2.0 (Browser Use), BU Fast (Browser Use), BU Ultrafast (Browser Use), Claude Opus 5 (Anthropic), Claude Opus 5.5 (anthropic), Claude Sonnet 5 (Anthropic), Claude Sonnet 5.5 (anthropic), Gemini 3.6 Flash (Google), GLM 5.3 Flash (zhipu), GPT-5.6 (OpenAI), GPT-5.6 Luna (OpenAI), GPT-6 Astra (OpenAI), GPT-6 Luna (OpenAI), GPT-6 Sol (OpenAI), GPT-6.1 Sol (openai), GPT-6.1 Terra (openai), Grok 4.5 (xAI), Grok 4.6 (xai) and MiniMax M3 (MiniMax), and routes requests between them.
- Models used
- 20
- Primary model
- Bring your own key
- Public API
- Yes
- Last checked
- 2026-11-08
Model claims are labelled by how we know them: Bring your own key — disclosed, BU 2.0 — disclosed, BU Fast — disclosed, BU Ultrafast — disclosed, Claude Opus 5 — disclosed, Claude Opus 5.5 — disclosed, Claude Sonnet 5 — disclosed, Claude Sonnet 5.5 — disclosed, Gemini 3.6 Flash — disclosed, GLM 5.3 Flash — disclosed, GPT-5.6 — disclosed, GPT-5.6 Luna — disclosed, GPT-6 Astra — disclosed, GPT-6 Luna — disclosed, GPT-6 Sol — disclosed, GPT-6.1 Sol — disclosed, GPT-6.1 Terra — disclosed, Grok 4.5 — disclosed, Grok 4.6 — disclosed and MiniMax M3 — disclosed. "Disclosed" means the vendor says so in public; "inferred" means it was derived from documentation, headers or release notes.
Context window: Depends on chosen model.
Other stack signals: playwright and puppeteer.
Cite this answer
Tomorrow. “What AI models does Browser Use use?” Tomorrow AI & Emerging Tech Index, AlienSquad, updated 2026-11-08. https://tomorrow.aliensquad.ai/q/what-models-does-browser-use-use
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