Your session has been flagged for unusual activity.
Please confirm you're human to continue.
Use Claude alongside ChatGPT, Gemini, Grok & Perplexity. Compare answers, upload files, and review sources in one workspace.
Current plan details · Supported AI access · One workspace
No feature gating. Free users get real ChatGPT access — not a limited preview.
Official Anthropic API. Claude Sonnet and Opus — the same models powering Claude Pro. Up to 200K token context window.
Claude, Gemini, Grok & Perplexity — all free. Switch models or compare answers side by side.
Real-time web data via Perplexity Sonar Pro. Claude answers grounded in current sources.
Upload PDFs, DOCX, spreadsheets, and images. Claude reads and works with your files directly.
See where Claude disagrees with ChatGPT or Gemini. Errors exposed before you act on them.
8 image models including DALL·E 3. Generate up to 5 images in parallel from one prompt.
One model only — Claude
No way to verify if the answer is correct
Free tier limited to Claude Sonnet only
current plan details for Claude Pro
No document or presentation generation
5 models — ChatGPT + Claude + Gemini + Grok + Perplexity
Auto verification — a second AI checks every answer
Latest models — Claude Sonnet and Opus, same as Pro users
Free daily messages — paid plans are listed on the pricing page
Studios — generate documents, slides, spreadsheets, images
Create a free account with email or Google. No credit card asked.
Pick Claude from the model selector. Or choose AI Team to use multiple models together.
Type your question. Upload files. Get answers. Free daily messages reset every day.
On claude.ai, the free tier locks you into Claude Sonnet with low message caps. On MultipleChat, you get Sonnet and Opus with fewer walls in the way.
claude.ai free tier gives you Claude Sonnet only with strict limits. MultipleChat gives you both Claude Sonnet and Opus — the same models Pro subscribers pay current plan details for.
File uploads, web search, image generation, AI collaboration — all available on the free tier. No "upgrade to unlock" prompts blocking core features.
claude.ai only gives you Claude. MultipleChat lets you switch to ChatGPT, Gemini, Grok, or Perplexity in one click — or run them all together.
Free messages reset at midnight UTC. Use them every day — no trial period, no expiration. If you need more, paid plans are listed on the pricing page with 3x limits.
Starter plan current plan details gives you 3x more messages. Professional current plan details adds Document Studio, Presentation Studio, Excel Studio, and priority support.
Everything claude.ai does — plus features that only exist when multiple AI models work together.
Send the same prompt to Claude and other models simultaneously. All responses stream side by side in real time — no tab-switching, no copy-pasting. See which model gives the better answer for your specific question.
Example: "Explain the pros and cons of microservices vs monolith"
AI Collaboration lets Claude draft an answer, then ChatGPT reviews it for errors, Gemini verifies facts with web sources, and the system merges the best parts into one final response. You get a single answer built by multiple AIs — stronger than any model alone.
Claude text can still sound like AI. The AI Humanizer rewrites it using a different model so the output matches your actual writing style — not a generic "human tone." Upload your own writing samples and the system learns how you write. Every rewrite after that sounds like you.
Claude output
"In today's rapidly evolving landscape, it is imperative to leverage strategic initiatives..."
After humanization
"If you want better results, fix how your team actually works."
Group your conversations, uploaded files, and custom instructions into dedicated workspaces. Claude remembers your project context across every conversation — no more re-explaining your goals, terminology, or preferences. Connect Google Drive or GitHub to pull in existing files automatically.
Create reports, proposals, whitepapers from a prompt. Claude writes, a second AI reviews. Download as DOCX or PDF.
Full slide decks with speaker notes, 7 layouts, 6 styles. Native.pptx — open in PowerPoint or Google Slides.
Gemini fact-checks every Claude response. Catches hallucinations, outdated info, and confident-sounding errors before you act on them.
8 image models including DALL·E 3. Generate visuals from Claude conversations. Run up to 5 in parallel.
Latest Claude models + ChatGPT + Gemini + Grok — free daily messages, no credit card. Start now.
Use Claude free nowNo setup · Works immediately · Free forever tier
Continue learning
See the AI subscription that replaces separate ChatGPT, Claude, Gemini and Grok accounts.
Multi-model AIRun the same prompt through ChatGPT, Claude, Gemini and Grok before trusting one answer.
GuideChoose the best model for writing, research, coding, documents, images and business work.
Buyer intentOne app for several frontier AI models, side-by-side comparison and model collaboration.
PlatformA professional workspace for using several AI models, comparing answers and creating deliverables.
SavingsAvoid paying for separate AI subscriptions when one multi-model workspace is enough.
Paid usersChoose between free tiers, single-model plans and multi-model AI subscriptions.
TeamsGive teams one workspace for model comparison, documents, research and AI workflows.
