
Provides stronger multi-modal reasoning and agentic tools, but lacks DeepSeek's ultra-low-cost API pricing.
Provides stronger multi-modal reasoning and agentic tools, but lacks DeepSeek's ultra-low-cost API pricing.
DeepSeek records 372,761,591 monthly visits with +4.3% month-over-month growth and Freemium pricing. Quetta Browser records 226,049 monthly visits with +54.2% growth and Free pricing.

Privacy-first mobile browser with built-in ad blocking and video downloads
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | deepseek.com | quetta.net |
| Pricing Model | Freemium | Free |
| Monthly Visits | 372.76M (372,761,591) | 226.05K (226,049) |
| MoM Traffic Delta | +15.36M (+4.3%) | +79.5K (+54.2%) |
| Primary Market & Share | 🇨🇳 China (50.5%) | 🇨🇳 China (21.5%) |
| Direct Visits / mo | 291.59M | 63.9K |
| User Rating | 4.8 | 4.1 |
| Supported Platforms | Website | Website |
High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
Leverages a sparse Mixture-of-Experts architecture (49B active parameters out of 1.6T on V4-Pro) to process up to 1 million tokens with minimal latency and memory overhead.
Pioneered by DeepSeek-R1 and integrated into V3.2 and V4 thinking modes, exposing step-by-step self-verification for complex math, logic, and code debugging.
Drops input token costs to $0.003/1M on Flash and $0.022/1M on V4-Pro for cache hits, with 50% lower rates during off-peak UTC hours.
Provides free access at chat.deepseek.com and on iOS/Android with document uploads, reasoning mode, and web search without paywalling core models.

Privacy-first mobile browser with built-in ad blocking and video downloads
Quetta checks pages for supported ad, pop-up and tracking patterns and blocks matching requests or elements, with the option to review activity and adjust protection when a site misbehaves.
When compatible media is detected, you can save MP4 or WebM files and supported M3U8/HLS streams directly from the page without switching to a separate downloader.
Picture-in-picture, background audio, playback speed, captions and casting help adapt supported videos to how you actually watch on mobile.
Install, enable, disable or remove many extensions from the Chrome Web Store and Edge Add-ons inside the Android browser, giving mobile users desktop-style customization.

Provides stronger multi-modal reasoning and agentic tools, but lacks DeepSeek's ultra-low-cost API pricing.
Provides stronger multi-modal reasoning and agentic tools, but lacks DeepSeek's ultra-low-cost API pricing.

Offers an enormous context window and deep Google ecosystem integration, but feels less specialized for pure reasoning tasks.
Offers an enormous context window and deep Google ecosystem integration, but feels less specialized for pure reasoning tasks.
Delivers superior long-form coding artifacts and nuanced writing, but lacks DeepSeek's specialized open-weight reasoning models.
Delivers superior long-form coding artifacts and nuanced writing, but lacks DeepSeek's specialized open-weight reasoning models.

Features real-time X social data integration, but is less cost-effective for dedicated developer coding workflows.
Features real-time X social data integration, but is less cost-effective for dedicated developer coding workflows.
SpecialistReal-time AI answer engine and research workspace combining live web citations with frontier reasoning models.
SpecialistReal-time AI answer engine and research workspace combining live web citations with frontier reasoning models.

Free / Open-sourceProvides comparable open-weight foundation models and multilingual performance, but requires self-hosting or third-party inference setup.
Free / Open-sourceProvides comparable open-weight foundation models and multilingual performance, but requires self-hosting or third-party inference setup.

SpecialistThe AI coding agent for building ambitious software
SpecialistThe AI coding agent for building ambitious software

SpecialistExcels at ultra-long document analysis and research, but lacks the same level of open-weight developer community support.
SpecialistExcels at ultra-long document analysis and research, but lacks the same level of open-weight developer community support.
Free / Open-sourceEnables running open-source models locally on consumer hardware, but lacks DeepSeek's cloud-scale hosted reasoning power.
Free / Open-sourceEnables running open-source models locally on consumer hardware, but lacks DeepSeek's cloud-scale hosted reasoning power.
SpecialistAdds a versatile AI sidebar to your existing browser, but lacks dedicated built-in privacy protection and mobile optimization.
SpecialistAdds a versatile AI sidebar to your existing browser, but lacks dedicated built-in privacy protection and mobile optimization.
SpecialistBundles multiple frontier AI models for research and writing, but functions as a browser extension rather than a standalone app.
SpecialistBundles multiple frontier AI models for research and writing, but functions as a browser extension rather than a standalone app.

Synthesizes context across desktop tabs and documents with AI, whereas Quetta targets privacy-first mobile web browsing.
Synthesizes context across desktop tabs and documents with AI, whereas Quetta targets privacy-first mobile web browsing.