
Provides stronger multi-modal reasoning and agentic tools, but lacks DeepSeek's ultra-low-cost API pricing.
#1BestPDF records 288 monthly visits with -83.9% month-over-month growth and Free pricing. DeepSeek records 372,761,591 monthly visits with +4.3% growth and Freemium pricing.
Free browser-based PDF editor, converter, and translator with AI helpers built in.
| Dimension / Metric | ||
|---|---|---|
| Official Domain | bestpdf.co | deepseek.com |
| Pricing Model | Free | Freemium |
| Monthly Visits | 288 (288) | 372.76M (372,761,591) |
| MoM Traffic Delta | -1.5K (-83.9%) |
| +15.36M (+4.3%) |
| Primary Market & Share | 🇺🇸 United States (100%) | 🇨🇳 China (50.5%) |
|---|
| Direct Visits / mo | 114 | 291.59M |
|---|
| User Rating | 4.1 | 4.8 |
|---|
| Supported Platforms | Website | Website |
|---|
Free browser-based PDF editor, converter, and translator with AI helpers built in.
Modify text and images directly in a PDF and download the edited file, without installing a desktop application.
Translate PDFs into dozens of languages while keeping the original page layout, which is useful for research papers and multilingual reports.
Convert PDF to Word, Excel, PPT and JPG, and convert Word, PPT, Excel and JPG back to PDF or to JPG from the same site.
Shrink large files for easier sharing, batch-combine several PDFs, or split one document into separate pages and sections.
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.

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.
An AI-powered creative and productivity suite spanning video, documents, diagrams and data
SpecialistFree online OCR that turns any image into editable text in seconds
A free, AI-powered PDF editor for every device
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.
An AI-powered creative and productivity suite spanning video, documents, diagrams and data
SpecialistFree online OCR that turns any image into editable text in seconds