Opera Aria vs Brave Leo
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Opera Aria
Opera's free built-in AI sidebar — now rebranded Opera AI
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Brave Leo
AI assistant built into the Brave browser
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| RECATOOLS Score | 7 / 10 | 7 / 10 |
| Capability | — | |
| Value for money | — | |
| Ease of use | — | |
| ASEAN readiness | — | |
| API quality | — | |
| Pricing | Free | Freemium |
| Free tier | Fully free with Opera/Opera GX/Opera Mini; free account unlocks higher limits | Free: Llama 3.1 8B, Claude Haiku, Qwen 3 14B, GLM 4.7 Flash; no account required |
| Paid from | — | Leo Premium $14.99/mo ($149.99/yr) — Claude Sonnet 4.6, Opus 4.6, Kimi K2.5, DeepSeek |
| Has API | ✗ | ✗ |
| Open source | ✗ | ✗ |
| Free to use | ✓ | ✓ |
| Users | — | — |
| Founded | 1995 | 2023 |
| Maker | Opera Limited | — |
| Verdict | 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... |
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... |
| Full review → | Full review → |
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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.