RUNLOCALAIv38
→WILL IT RUNBEST GPUCOMPARETROUBLESHOOTSTARTPULSEMODELSHARDWARETOOLSBENCH
RUNLOCALAI

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SYS · ONLINEUPTIME · 100%2026 · operator-owned
RUNLOCALAI · v38
← Home·/apps·Browser extension

Leo (Brave)

Hybrid (offline or cloud)

Brave's built-in AI assistant. Configurable to talk to local Ollama out of the box.

Editorial verdict: “Best built-in browser AI for Brave users. Local mode is a checkbox, not a hack.”

Browser extension
Free
MPL-2.0
★ 4.2 / 5
GitHub ★ 18,000
↗ Homepage↗ GitHub

Compatibility at a glance

Which runtime + OS combos this app works against. Source of truth for "will it run on my setup?"

§ Runtimes supported
ollamaopenai-compat
§ OS / platform
macoslinuxwindows
§ Hardware + model hint
Minimum VRAM
4 GB
Recommended starter model
Llama 3.1 8B Q4_K_M
→ Build the rest of the stack with /stack-builder→ Pick a GPU for this app

What it is

Leo is Brave Browser's built-in AI. Defaults to Brave's hosted LLM, but the settings let you point it at any local Ollama instance — flip a switch, set the URL, done. The fastest 'browser AI that respects local' setup if you already use Brave.

✓ Strengths

  • +Built in — no extension to install
  • +Local Ollama mode is officially supported, not a community hack
  • +Privacy stance is consistent with Brave's overall brand

△ Caveats

  • −Brave-only
  • −Limited tooling vs Page Assist for power users

About the Browser extension category

Browser extension that uses your local model.

§ Other browser extension apps
Page Assist

Best 'sidebar AI' browser extension that's truly local-first.

Where to go from here

Stack Builder →

Pre-filled with this app's recommended use case + budget tier. Get the full rig + runtime + model picks.

Back to /apps →

The full directory — filter by category, runtime, OS, privacy posture, or VRAM.

Runtimes (/tools) →

What this app talks to: Ollama, vLLM, llama.cpp, MLX, LM Studio. The upstream layer.

Community benchmarks →

Did this app work for you on a specific rig? Submit the benchmark — it powers the model + hardware pages.