
Provides massive context windows and deep Google Workspace integration, but trails behind in advanced coding workflows.

ChatGPT records 6,048,022,723 monthly visits with +2.2% month-over-month growth and Freemium pricing. Koolay records 358 monthly visits with -75% growth and Freemium pricing.

The operating system nonprofits run on — donors, grants, events and e-sign in one place
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | chatgpt.com | koolay.com |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 6.05B (6,048,022,723) | 358 (358) |
| MoM Traffic Delta |
| +127.43M (+2.2%) |
| -1.08K (-75%) |
| Primary Market & Share | 🇺🇸 United States (21.7%) | 🌐 Global (—) |
|---|
| Direct Visits / mo | 4.44B | 142 |
|---|
| User Rating | 4.8 | 4 |
|---|
| Supported Platforms | Website | Website |
|---|

OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
Automatically routes prompts or lets users select between Instant responses and Medium, High, or Extra High thinking depth across GPT-5.6 Luna, GPT-5.6 Sol, and flagship GPT-6 Pro/Astra models.
Asynchronous software engineering and task agents that clone repositories, run terminal tests in sandboxed environments, resolve complex bugs, and submit pull requests.
Browses dozens of primary web sources, academic papers, and connected workspace documents over several minutes to compile structured, citation-backed analytical reports.
Provides a split-screen editor for inline prose and code revisions alongside low-latency voice conversations with live screen and camera grounding.

The operating system nonprofits run on — donors, grants, events and e-sign in one place
EIN-matched grant search across 30K+ live opportunities, 1.9M nonprofits and 184K funders, with 990-PF funder dossiers and Why-GO scoring.
An AI grant writer grounded in your mission, budgets and past applications, plus a Kanban pipeline with deadline alerts and version history.
Donor CRM with lifetime value, segments, recurring giving and automatic receipts living beside donation pages and events.
A website/CMS, events, email, finance and e-signature tools running on one modern data model instead of a stitched stack.

Provides massive context windows and deep Google Workspace integration, but trails behind in advanced coding workflows.

Offers superior long-form writing and coding assistance with interactive artifacts, but lacks built-in deep web search.
Free / Open-sourceDelivers exceptional open-weight reasoning and math performance at lower cost, but features a simpler consumer interface.

Integrates real-time social media data and image generation directly into chat, but has fewer enterprise integrations.

SpecialistThe AI workspace where teams and agents get work done together
SpecialistExcels at real-time web research with verifiable inline citations, but offers less robust general conversational coding features.
Provides a completely free conversational assistant across social apps, but lacks advanced coding agents and deep research.

SpecialistThe AI coding agent for building ambitious software

SpecialistSpecializes in processing exceptionally long documents for deep research, but lacks multi-modal voice and advanced code execution.

The pro website builder with a design agent on a fully editable canvas

Free / Open-sourceEnables self-hosted, open-source management of local or cloud LLMs, but requires technical setup and maintenance.

AI website builder that designs, hosts, and runs your whole site
Provides massive context windows and deep Google Workspace integration, but trails behind in advanced coding workflows.
Offers superior long-form writing and coding assistance with interactive artifacts, but lacks built-in deep web search.
Free / Open-sourceDelivers exceptional open-weight reasoning and math performance at lower cost, but features a simpler consumer interface.
Integrates real-time social media data and image generation directly into chat, but has fewer enterprise integrations.
SpecialistExcels at real-time web research with verifiable inline citations, but offers less robust general conversational coding features.
Provides a completely free conversational assistant across social apps, but lacks advanced coding agents and deep research.
SpecialistThe AI coding agent for building ambitious software
SpecialistSpecializes in processing exceptionally long documents for deep research, but lacks multi-modal voice and advanced code execution.
The pro website builder with a design agent on a fully editable canvas
Free / Open-sourceEnables self-hosted, open-source management of local or cloud LLMs, but requires technical setup and maintenance.
AI website builder that designs, hosts, and runs your whole site