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Chat with the world's best AI models in one workspace, compare their responses side-by-side, or orchestrate them as a team for a single verified, unified and deeper answer.
AI Chat
One Model. One Response.
AI Comparison
See up to 4 responses.
AI Team
Final answer
4 AI models build one answer.
"Is it better to rent or buy a home right now?"
Buying builds equity over time. Despite high rates, you're paying yourself — not a landlord.
At 7% mortgage rates, renting is often cheaper monthly. Flexibility outweighs equity gains right now.
ChatGPT assumes long-term stability; Claude prioritises short-term flexibility. Both ignore local market variance.
US avg mortgage rate: 6.8% (Mar 2025). Price-to-rent ratio in top 20 cities averages 24 — renting typically favours below 15.
MultipleChat
Daily free messages. Start without entering payment details.
Used by professionals and teams inside S&P 500 companies.
Included in one workspace
Get access to the latest models from ChatGPT, Claude, Gemini, Grok, and Perplexity Sonar Pro—all from a single interface.
Switch seamlessly
Pick the best AI for each question.
Do you depend on AI for your work or studies? Collaboration between AI Models provides by default better responses than any single AI can. Best of all, it shows where the models disagree and maps out the sources behind the result.
AI Team creates better responses fact-checking each other's responses and providing more depth.
AI Team response
See responses from multiple AI Models, the disagreements between models and run additional reasoning check.
Additional tools under the answer
Inspect the individual model outputs behind the synthesis.
Open source-backed evidence when research or fact checking is used.
See conflicts in facts, assumptions, evidence, or strategy.
Run a deeper critique for blind spots and missing context.
AI Comparison is its own flow: one prompt opens multiple model answers in separate columns, so you can judge ChatGPT, Claude, Gemini, Grok, and more yourself.
Compare answers in one organized view.
All selected models stream simultaneously.
Mix and match all available AIs for the task.
Inside chat, users can create files, edit uploaded files, generate new outputs, and keep working with the same AI models. For larger or more structured work, Studios give you dedicated tools for building longer documents, presentations, spreadsheets, and images.
Create and edit longer reports, proposals, summaries, briefs, and exportable documents.
DOCX, PDF, Markdown, HTMLGenerate editable slide decks from prompts, notes, reports, or existing presentation material.
PowerPoint-ready PPTXCreate, clean, analyze, and transform spreadsheets with built-in AI and data tools.
XLSX, CSV, TSV, XLSGenerate images, edit visuals with instructions, remove backgrounds, and chain edits.
Generate, edit, downloadWhen users upload PDFs or image-heavy documents, MultipleChat can use OCR to read the file before the AI writes, edits, summarizes, or turns it into a structured output.
Optimize the prompt. Search the web. Check the facts. Add critique.
Writes detailed prompts for you.
Searches the web with Perplexity Sonar Pro for source-backed answers.
Reviews answers for factual risk and missing context.
Adds an expert opinion from a long-term and different perspective.
Use one agent or combine all four.
Try the query agentsAdd instructions once, import files from Google Drive or code from GitHub, and let every AI model work from the same knowledge.
1. Add context
Upload documents, paste notes, or add project rules once.
2. Connect sources
Bring in docs, PDFs, sheets, slides, repositories, and code files.
3. Work with AI
Research, write, review, explain, and code with shared context.
Image Studio lets users generate with 5 image models from one prompt, compare the outputs, edit existing images with plain-language instructions, remove backgrounds, and download the final result.
Visual workflow
Create, edit, refine, export.
"Remove the background, make the product shadow softer, and create a clean social ad version."
AI Humanizer helps turn stiff, generic, or obviously AI-written text into clearer writing with a more natural voice. Use it for emails, articles, essays, proposals, support replies, and Document Studio outputs that need a final human pass.
Two ways to humanize in MultipleChat
Option 01
Rewrite an AI answer with another model when you want the final response to sound more natural.
Option 02
Add a writing sample, then let MultipleChat match that style across the text you want to humanize.
Shared projects, access, billing, and AI context for teams.
Seats, billing, and access.
Invite and manage users.
Review and reuse work.
Files and instructions together.
AI Hub
Customer stories
Verified work
"Our company policy does not allow single AI answers as fact. AI Collaboration with Auto Verify gives me deeper, checked answers."
Less switching
"Before MultipleChat, I copied prompts into ChatGPT, Claude, and Gemini one by one. Now I compare them side by side, faster and for less."
Keeps improving
"I have used MultipleChat for six months. It keeps improving, so I do not have to chase every new AI release myself."
Log in for free and test MultipleChat. Discover all features with plans starting at $8.99/mo.
MultipleChat gives you access to ChatGPT, Claude, Gemini, Grok, and Perplexity Sonar Pro from one workspace. For images, MultipleChat also includes DALL-E 3, SDXL, SD3, Leonardo, Ideogram, Recraft, Nano Banana, and Nano Banana Pro. You can switch models for different tasks, compare responses, use web-connected research, work with files, generate images, and choose the model that fits the job instead of opening separate subscriptions and tabs.
AI Collaboration lets multiple AI models work together instead of answering in isolation. You can assign roles, choose a collaboration mode, and let models draft, review, debate, fact-check, or synthesize one stronger answer. AI Team is the workflow that launches those models together and shows the result, including useful disagreements when the models see the problem differently.
AI disagreements happen when different models produce conflicting facts, assumptions, recommendations, or reasoning. MultipleChat surfaces those conflicts instead of hiding them, so you can see uncertainty, compare the logic, and decide which answer is better supported.
AI Collaboration brings multiple models into the task to produce or compare answers. Team Reason is more focused: it reads the conversation or response and gives a deeper expert-style critique from a long-term and different perspective. It is designed to reveal blind spots, structural flaws, hidden assumptions, and risks that a fast standard AI answer may miss. Compared with chatting to one model in a single-provider app like ChatGPT or Claude, MultipleChat can bring other models into the conversation even if you started with one model, giving you a different perspective inside the same workflow.
MultipleChat lets you work with files directly inside chat. You can upload PDFs, scanned PDFs, DOCX documents, TXT files, Markdown files, XLSX, XLS, CSV, TSV spreadsheets, PPTX presentations, images, screenshots, code files like HTML, CSS, JavaScript, Python, JSON, XML, YAML, and other source files, plus structured data files. Then ask questions, summarize, rewrite, extract information, analyze tables, review code, explain files, or generate a new file from the source. For bigger jobs, use Studios: Document Studio for long documents, Presentation Studio for editable PPTX decks, Excel Studio for spreadsheets, and Image Studio for creating or editing visuals. For scanned PDFs and image-heavy documents, MultipleChat can run OCR with Mistral AI, fall back to Claude if needed, or let you bring files through Google Drive to use Google's OCR.
MultipleChat AI Humanizer helps rewrite stiff or generic AI text into clearer, more natural writing while keeping the meaning. In MultipleChat, you can humanize text directly, use a built-in humanizing mode inside AI Collaboration, or create an AI Humanizer project with a style example file so the AI can learn your preferred tone and rewrite the remaining text to match it. Compared with basic AI humanizer tools, MultipleChat gives you more control because you can choose models, work with files, use project context, and combine humanizing with editing, review, and document workflows. The feature is meant for polishing your own writing, improving readability, and adapting tone. It should not be used to misrepresent authorship, evade rules, or cheat; use it responsibly and follow the rules of your school, workplace, or publication.
MultipleChat uses Stripe for secure billing. Stripe is one of the world's leading payment infrastructure providers, used by businesses to process card payments, subscriptions, invoices, and receipts securely. For login and authentication, MultipleChat uses Auth0 by Okta, an enterprise identity platform used by companies and government organizations to manage secure sign-in, account access, and identity protection. This matters because billing and authentication are handled by specialized, trusted providers instead of custom-built payment or login systems. You can cancel anytime, there are no hidden fees, and you only pay for the subscription you choose.
Both domains belong to the same MultipleChat product. multiple.chat is used for the public website, product pages, and information. multiplechat.ai is used for the application experience where users sign in and use the workspace. This is similar to how OpenAI uses openai.com for company and product information while ChatGPT runs on chatgpt.com.