
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
AskYourPDF records 127,733 monthly visits with +14.1% month-over-month growth and Freemium pricing. Sider records 2,644,740 monthly visits with -10.6% growth and Freemium pricing.
Chat with any PDF and add an AI chatbot trained on your own content
| Dimension / Metric | ||
|---|---|---|
| Official Domain | askyourpdf.com | sider.ai |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 127.73K (127,733) | 2.64M (2,644,740) |
| MoM Traffic Delta | +15.82K (+14.1%) | -314.2K (-10.6%) |
| Primary Market & Share | 🇬🇧 United Kingdom (19.4%) | 🇺🇸 United States (13.3%) |
| Direct Visits / mo | 64.78K | 1.7M |
| User Rating | 4.3 | 4.5 |
| Supported Platforms | Website | Website |
Chat with any PDF and add an AI chatbot trained on your own content
Ask plain-language questions across one or many PDFs, decks, notebooks and e-books, and get summaries plus pinpoint quotes.
Train a support agent on approved website and document content, embed it on most sites, and let visitors open support tickets when the bot cannot answer.
Auto-complete fillable or non-fillable PDF forms by pulling values from another PDF, a text file or pasted text.
Condense long documents, translate them, extract structured content and generate podcasts or literature reviews.
AI sidebar and browser agent for reading, writing and research
A persistent panel that reads the page you are on and answers follow-ups with GPT, Claude or Gemini without copying content into another tab.
Summarise long articles, PDFs and YouTube videos, extract key points, and ask detailed questions about the source material.
Translate webpages, PDFs and images, compare bilingual output side by side, and have content read aloud for review on the move.
Delegate multi-step tasks across real websites — price comparison, form filling, research and inbox triage — using your existing logged-in sessions.

SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.

Offers a very similar browser sidebar experience with multiple AI models, but features slightly different pricing and workspace tools.
Offers a very similar browser sidebar experience with multiple AI models, but features slightly different pricing and workspace tools.
A free, AI-powered PDF editor for every device

Free AI-powered PDF editor, converter and reader for every device
Free AI-powered PDF editor, converter and reader for every device
Provides robust browser-based summarization and prompt assistance, but lacks some of Sider's deeply integrated multi-model chat UI features.
Provides robust browser-based summarization and prompt assistance, but lacks some of Sider's deeply integrated multi-model chat UI features.

All-in-one online PDF editor with AI helpers for reading, summarizing, and generating documents
All-in-one online PDF editor with AI helpers for reading, summarizing, and generating documents
Chat with any PDF, video, or website and get cited answers in seconds
Excels at advanced web automation and data extraction alongside chat, but has a steeper learning curve than Sider.
Chat with any PDF and get cited answers instantly

Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser
Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser
Integrates bookmark management and content composition into a clean sidebar, but has a more limited feature set than Sider.
Integrates bookmark management and content composition into a clean sidebar, but has a more limited feature set than Sider.