
Provides massive context windows and deep Google Workspace integration, but trails behind in advanced coding workflows.
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. Locus records 615 monthly visits with -85.1% growth and Freemium, Free Trial pricing.

Ctrl+F, reimagined with AI for web pages and PDFs
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | chatgpt.com | locusextension.com |
| Pricing Model | Freemium | Freemium, Free Trial |
| Monthly Visits | 6.05B (6,048,022,723) | 615 (615) |
| MoM Traffic Delta | +127.43M (+2.2%) | -3.51K (-85.1%) |
| Primary Market & Share | 🇺🇸 United States (21.7%) | 🇺🇸 United States (100%) |
| Direct Visits / mo | 4.44B | 239 |
| User Rating | 4.8 | 4.1 |
| 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.

Ctrl+F, reimagined with AI for web pages and PDFs
Use everyday language to find the exact section you need on any web page or PDF, catching matches that exact keyword search cannot.
Summarize entire pages or selected portions to save time and get the key takeaway quickly.
Locus AI helpers brainstorm research topics, suggest further reading, and generate note cards to help you retain information.
Choose from current models including OpenAI GPT-4o-family options, Anthropic Claude, and Google Gemini, with new releases added within days.

Provides massive context windows and deep Google Workspace integration, but trails behind in advanced coding workflows.
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.
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.
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.
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
Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models.
Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models.
Provides a completely free conversational assistant across social apps, but lacks advanced coding agents and deep research.
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
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.
SpecialistSpecializes in processing exceptionally long documents for deep research, but lacks multi-modal voice and advanced code execution.

All-in-one AI assistant across web, browser, desktop and mobile
All-in-one AI assistant across web, browser, desktop and mobile

AI research platform for reading, understanding and writing scientific papers
AI research platform for reading, understanding and writing scientific papers
AI sidebar and browser agent for reading, writing and research
AI sidebar and browser agent for reading, writing and research