
Stronger reasoning and broader app ecosystem, but lacks Grok's native live X social media data integration.
Stronger reasoning and broader app ecosystem, but lacks Grok's native live X social media data integration.
Grok records 203,846,050 monthly visits with -0.8% month-over-month growth and Freemium pricing. Instafill.ai records 35,630 monthly visits with -36.6% growth and Free Trial, Paid, Contact for Pricing pricing.

AI that fills your PDF and Word forms for you
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | grok.com | instafill.ai |
| Pricing Model | Freemium | Free Trial, Paid, Contact for Pricing |
| Monthly Visits | 203.85M (203,846,050) | 35.63K (35,630) |
| MoM Traffic Delta | -1.62M (-0.8%) | -20.6K (-36.6%) |
| Primary Market & Share | 🇺🇸 United States (27.7%) | 🇺🇸 United States (68.3%) |
| Direct Visits / mo | 133.67M | 7.63K |
| User Rating | 4.5 | 4.3 |
| Supported Platforms | Website | Website |

xAI's real-time AI assistant and coding workspace powered by Grok 4.7 with live X integration.
Features configurable reasoning, low hallucination rates, native agentic tool calling, and a 500K-token context window (with up to 2M tokens on Grok 4.1 Fast).
Combines live web browsing with direct access to real-time posts, threads, and breaking events on X to deliver up-to-the-minute synthesis.
Provides a dedicated agentic coding environment with Grok Build 0.1 and Grok 4.7 Fast, while October 2026 subscription tiers bundle access to the Cursor code editor.
Generates high-resolution images and video clips alongside real-time speech-to-speech Voice mode from a single shared weekly usage pool.

AI that fills your PDF and Word forms for you
Automatically detects and maps every field in a flat PDF or Word form, using semantic understanding rather than rigid templates.
Each filled field can display its source and the reasoning behind the value, making verification fast and auditable.
Runs concurrent parallel field filling and handles structured row data, so multi-form packets and repeating tables are completed together.
An MCP server lets you fill PDFs from inside Claude Desktop, Code, or ChatGPT, plus n8n and Zapier automations for wider workflows.

Stronger reasoning and broader app ecosystem, but lacks Grok's native live X social media data integration.
Stronger reasoning and broader app ecosystem, but lacks Grok's native live X social media data integration.

Better Google workspace integration and massive context window, but lacks Grok's edgy conversational tone and X feed.
Better Google workspace integration and massive context window, but lacks Grok's edgy conversational tone and X feed.
Superior coding and document analysis, but lacks real-time social media search and instant image generation.
Superior coding and document analysis, but lacks real-time social media search and instant image generation.

SpecialistCommercially safe creative design and editing tools, but lacks general-purpose conversational chat and web search.
SpecialistCommercially safe creative design and editing tools, but lacks general-purpose conversational chat and web search.
Free / Open-sourceOutstanding low-cost reasoning and open-weight model performance, but lacks real-time social data search capabilities.
Free / Open-sourceOutstanding low-cost reasoning and open-weight model performance, but lacks real-time social data search capabilities.
SpecialistExceptional cited web research and source verification, but lacks conversational flexibility and built-in image generator.
SpecialistExceptional cited web research and source verification, but lacks conversational flexibility and built-in image generator.
Free social-integrated assistant with image generation, but less advanced coding and reasoning capabilities than Grok.
Free social-integrated assistant with image generation, but less advanced coding and reasoning capabilities than Grok.

SpecialistPowerful long-context document analysis and deep research, but lacks real-time social data search and image creation.
SpecialistPowerful long-context document analysis and deep research, but lacks real-time social data search and image creation.

SpecialistAdvanced agentic search and automated research pages, but less polished as a general daily chat assistant.
SpecialistAdvanced agentic search and automated research pages, but less polished as a general daily chat assistant.

SpecialistFar superior high-aesthetic image generation, but entirely lacks conversational chat, coding, and web search features.
SpecialistFar superior high-aesthetic image generation, but entirely lacks conversational chat, coding, and web search features.
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