Brave Leo vs Microsoft Edge Copilot vs Gemini in Chrome vs Opera Aria
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Brave Leo
AI assistant built into the Brave browser
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Microsoft Edge Copilot
Copilot woven into Edge — multi-tab reasoning, voice, vision, Journeys
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Gemini in Chrome
Gemini 3 built into Chrome's side panel, with agentic Auto Browse
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Opera Aria
Opera's free built-in AI sidebar — now rebranded Opera AI
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| RECATOOLS Score | 7 / 10 | 7.5 / 10 | 7.5 / 10 | 7 / 10 |
| Capability | — | — | — | |
| Value for money | — | — | — | |
| Ease of use | — | — | — | |
| ASEAN readiness | — | — | — | |
| API quality | — | — | — | |
| Pricing | Freemium | Free | Free | Free |
| Free tier | Free: Llama 3.1 8B, Claude Haiku, Qwen 3 14B, GLM 4.7 Flash; no account required | Free with Edge browser; core AI features available without a Microsoft 365 subscription | Free for all Chrome users where available | Fully free with Opera/Opera GX/Opera Mini; free account unlocks higher limits |
| Paid from | Leo Premium $14.99/mo ($149.99/yr) — Claude Sonnet 4.6, Opus 4.6, Kimi K2.5, DeepSeek | Deeper grounding in personal/work data via Microsoft 365 Copilot ($30/user/mo) | — | — |
| Has API | ✗ | ✗ | ✗ | ✗ |
| Open source | ✗ | ✗ | ✗ | ✗ |
| Free to use | ✓ | ✓ | ✓ | ✓ |
| Users | — | — | — | — |
| Founded | 2023 | 1975 | 1998 | 1995 |
| Maker | — | Microsoft Corporation | Alphabet Inc. | Opera Limited |
| Verdict | Leo has the best-designed privacy story in mainstream browser AI: no account, no chat retention, third-party models proxied through AWS Bedrock with zero data retention, and — since April 2026 — a local Ocelot model that... |
Of the big-tech browser assistants, this is the one that leans hardest into being part of the browser itself. In May 2026 Microsoft scrapped the separate 'Copilot Mode' toggle and folded its capabilities into Edge proper... |
Google's advantage isn't the model, it's the placement: this ships inside the browser most people already use, so there's nothing to switch to. The free side panel handles the everyday stuff well — summarize a page, ask... |
Reach is the whole story here. Opera bakes this assistant into every one of its browsers — including the free GX gaming browser and the lightweight Mini — putting a no-cost AI sidebar in front of hundreds of millions of... |
| Full review → | Full review → | Full review → | Full review → |
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.