
Delivers powerful reasoning and broad file analysis, but with smaller default context limits for raw documents.
Delivers powerful reasoning and broad file analysis, but with smaller default context limits for raw documents.
Krater.ai records 167,438 monthly visits with -1.9% month-over-month growth and Freemium pricing. Kimi AI records 19,632,261 monthly visits with -23.4% growth and Free pricing.
All-in-one AI workspace with ChatGPT, Claude, Gemini and 500+ models
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | krater.ai | kimi.com |
| Pricing Model | Freemium | Free |
| Monthly Visits | 167.44K (167,438) | 19.63M (19,632,261) |
| MoM Traffic Delta | -3.32K (-1.9%) | -5.98M (-23.4%) |
| Primary Market & Share | 🇺🇸 United States (28.6%) | 🇨🇳 China (70.7%) |
| Direct Visits / mo | 36.08K | 13.93M |
| User Rating | 3.8 | 4.7 |
| Supported Platforms | Website | Website |
All-in-one AI workspace with ChatGPT, Claude, Gemini and 500+ models
Use ChatGPT, Claude, Gemini, Grok and hundreds more models from a single interface, and switch model mid-chat without losing your thread.
Give Krater a goal and it plans, researches, browses the web and operates inside connected apps. Turn repeating work into agents that run on your schedule.
Create and edit images, upscale and generate video with models such as Kling and Sora, and produce speech, sound effects, voice changes and transcripts.
Describe what you need once and get an editable slide deck, document, website or runnable code snippet with a live preview.

Moonshot AI's long-context assistant for research, coding, and agentic work
Feed in lengthy documents, papers, or code and ask questions across the full text without losing earlier context.
Hand over multi-step jobs that involve planning, browsing, and tool use instead of only single-turn answers.
Generate structured research reports, slide decks, and formatted documents directly from your prompt or source files.
Extend capabilities with plugins and set recurring jobs so the assistant keeps working between sessions.

Delivers powerful reasoning and broad file analysis, but with smaller default context limits for raw documents.
Delivers powerful reasoning and broad file analysis, but with smaller default context limits for raw documents.

Offers massive context windows and multimodal document analysis, but lacks Kimi's specialized Chinese research ecosystem integrations.
Offers massive context windows and multimodal document analysis, but lacks Kimi's specialized Chinese research ecosystem integrations.
Provides exceptional long-form document comprehension and coding artifacts, but lacks Kimi's native long-context chat workflow.
Provides exceptional long-form document comprehension and coding artifacts, but lacks Kimi's native long-context chat workflow.
Free / Open-sourceProvides high-efficiency reasoning and coding capabilities, but focuses less on dedicated multi-document consumer research workflows.
Free / Open-sourceProvides high-efficiency reasoning and coding capabilities, but focuses less on dedicated multi-document consumer research workflows.
SpecialistExcels at cited web search and live research, but offers less robust local file and document analysis.
SpecialistExcels at cited web search and live research, but offers less robust local file and document analysis.

SpecialistDelivers powerful multilingual and long-context foundation models, but requires connecting to your own interface or API.
SpecialistDelivers powerful multilingual and long-context foundation models, but requires connecting to your own interface or API.

SpecialistThe AI coding agent for building ambitious software
SpecialistThe AI coding agent for building ambitious software

Combines chat agents with collaborative documents and presentation tools, offering stronger productivity features for team research and planning.
Combines chat agents with collaborative documents and presentation tools, offering stronger productivity features for team research and planning.

SpecialistOffers automated agentic research and synthesis, but operates as a broader all-in-one search workspace.
SpecialistOffers automated agentic research and synthesis, but operates as a broader all-in-one search workspace.

SpecialistTailored specifically for academic literature analysis and citation, whereas Kimi handles general long-form documents.
SpecialistTailored specifically for academic literature analysis and citation, whereas Kimi handles general long-form documents.
SpecialistAn all-in-one AI super assistant for professionals and enterprises
SpecialistAn all-in-one AI super assistant for professionals and enterprises
SpecialistProvides fast conversational Q&A specifically for PDFs, but lacks Kimi's broad multi-file research and coding capabilities.