Models.dev records 200,451 monthly visits with -3.9% month-over-month growth and Free pricing. QuillBot Paraphraser records 36,630,337 monthly visits with +2.3% growth and Freemium pricing.
Open-source database of AI models, prices and capabilities
Paraphrase, proofread and summarize text with an AI writing workspace
| Dimension / Metric | | |
|---|---|---|
| Official Domain | models.dev | quillbot.com |
| Pricing Model | Free | Freemium |
| Monthly Visits | 200.45K (200,451) | 36.63M (36,630,337) |
| MoM Traffic Delta | -8.17K (-3.9%) | +824.67K (+2.3%) |
| Primary Market & Share | 🇨🇳 China (23%) | 🇺🇸 United States (25.1%) |
| Direct Visits / mo | 136.32K | 10.99M |
| User Rating | 4.4 | 4.5 |
| Supported Platforms | Website | Website |
Open-source database of AI models, prices and capabilities
Every model uses a consistent provider/model format so the same model across providers can be compared directly.
Side-by-side context window, output limit, reasoning, tool calling, structured output, and temperature support.
Input and output prices per million tokens listed alongside release and update dates.
Covers closed flagship APIs and open-weight models from many labs in one sortable catalogue.
Paraphrase, proofread and summarize text with an AI writing workspace
Rewrite sentences and paragraphs in modes like Standard, Fluency, Formal, Simple, Creative and Shorten/Expand to match tone and length.
Scan your text for grammar, spelling, punctuation and clarity issues and apply suggested fixes.
Condense long documents or articles into key points, with adjustable length.
Generate citations in APA, MLA, Chicago and other styles from a URL, title or DOI.
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
Anthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
Anthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
Provides industry-leading real-time grammar checking and style suggestions, but offers less versatile sentence paraphrasing than QuillBot.
Provides industry-leading real-time grammar checking and style suggestions, but offers less versatile sentence paraphrasing than QuillBot.
SpecialistExcels at academic citation generation and professional proofreading, but lacks QuillBot's quick interactive paraphrasing slider.
SpecialistExcels at academic citation generation and professional proofreading, but lacks QuillBot's quick interactive paraphrasing slider.
SpecialistSpecializes in humanizing AI-generated text to bypass detection, but offers less traditional rewriting flexibility than QuillBot.
SpecialistSpecializes in humanizing AI-generated text to bypass detection, but offers less traditional rewriting flexibility than QuillBot.
SpecialistHighlights readability issues and complex sentences to improve clarity, but does not automatically rewrite text like QuillBot.
SpecialistHighlights readability issues and complex sentences to improve clarity, but does not automatically rewrite text like QuillBot.
AI agents and brand-governed content for enterprise marketing teams
AI agents and brand-governed content for enterprise marketing teams
Offers excellent sentence-level rewording and tone adjustments, but lacks QuillBot's dedicated multi-mode paraphrasing and citation tools.
Offers excellent sentence-level rewording and tone adjustments, but lacks QuillBot's dedicated multi-mode paraphrasing and citation tools.
SpecialistFocuses heavily on academic integrity with robust plagiarism detection, but offers simpler text rewriting than QuillBot.
SpecialistFocuses heavily on academic integrity with robust plagiarism detection, but offers simpler text rewriting than QuillBot.
Combines multilingual paraphrasing with built-in plagiarism detection and AI humanization, but has a less polished user interface.
Combines multilingual paraphrasing with built-in plagiarism detection and AI humanization, but has a less polished user interface.
SpecialistIncludes model pricing trackers and developer news alongside tools directories, but less focused on raw API specs.
SpecialistIncludes model pricing trackers and developer news alongside tools directories, but less focused on raw API specs.
