
Provides stronger multi-modal reasoning and agentic tools, but lacks DeepSeek's ultra-low-cost API pricing.
#1DeepSeek records 372,761,591 monthly visits with +4.3% month-over-month growth and Freemium pricing. WebFill records 2,044 monthly visits with -12.5% growth and Freemium pricing.
AI browser extension for form filling, email drafting and data entry
| Dimension / Metric | ||
|---|---|---|
| Official Domain | deepseek.com | webfill.co |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 372.76M (372,761,591) | 2.04K (2,044) |
| MoM Traffic Delta | +15.36M (+4.3%) |
| -293 (-12.5%) |
| Primary Market & Share | 🇨🇳 China (50.5%) | 🌐 Global (—) |
|---|
| Direct Visits / mo | 291.59M | 805 |
|---|
| 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.
AI browser extension for form filling, email drafting and data entry
WebFill detects fields on a page and completes forms, surveys and data-entry screens automatically, learning per-site instructions over time.
WebFill Vision captures any part of your screen and returns answers, aimed at multiple-choice questions, online assessments and on-screen content.
Generate or reply to emails straight from your inbox by pressing the WebFill button and letting the AI draft the response.
Upload a PDF or paste text and let WebFill handle repetitive data entry, MCQ solving and survey completion with saved instructions per website.

Provides stronger multi-modal reasoning and agentic tools, but lacks DeepSeek's ultra-low-cost API pricing.
#1
Offers an enormous context window and deep Google ecosystem integration, but feels less specialized for pure reasoning tasks.
#2Delivers 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.
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.

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.
Free / Open-sourceEnables running open-source models locally on consumer hardware, but lacks DeepSeek's cloud-scale hosted reasoning power.

All-in-one AI assistant across web, browser, desktop and mobile
Build powerful forms, surveys and quizzes with AI in minutes

Your AI agent for the browser: chat, automate and create from one sidebar
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.
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.
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.
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.
Free / Open-sourceEnables running open-source models locally on consumer hardware, but lacks DeepSeek's cloud-scale hosted reasoning power.
All-in-one AI assistant across web, browser, desktop and mobile
Your AI agent for the browser: chat, automate and create from one sidebar