Last Updated on 14. July 2026 by Kraus Martin
ChatGPT, Claude, Copilot & Gemini Free Plan Comparison 2026 - Which AI Assistant Is Right for You?
Four major AI assistants. All available for free. But what do you actually get without paying - and where do the free plans run out fast? This ChatGPT free comparison breaks down the real differences between ChatGPT, Claude, Microsoft Copilot and Google Gemini - practical, honest, and without the marketing fluff.
Quick verdict: All four tools offer genuinely free tiers - but quality, limits and best-fit use cases differ significantly. If you work with AI daily for writing, research or automation, knowing these differences upfront will save you time and money.
The Four Big AI Assistants - Who’s Behind Them?
When people talk about AI assistants, the same four names come up almost every time: ChatGPT by OpenAI, Claude by Anthropic, Microsoft Copilot and Google Gemini. All four are built on large language models (LLMs) - AI systems designed to understand, generate and reason with natural language across a huge range of tasks.
All four are available in English, work well for everyday tasks, and offer a free starting point. The meaningful differences lie in output quality, free plan limits and where each tool is genuinely strongest - whether that’s writing, research, coding or deep integration with other software.
One thing worth knowing upfront: these four assistants are powerful generalists - but they are not automatically better than specialist tools for specific jobs. AI writing tools like QuillBot outperform all four on paraphrasing and rewriting. ElevenLabs is in a different league for AI voice generation. Gamma produces polished presentations in minutes that no chatbot can match. Knowing when to use a specialist tool versus a general assistant is what separates efficient AI users from everyone else.
Our Evaluation Criteria
- Free plan scope - what you actually get without a credit card
- Text generation quality - style, depth and nuance in English
- Breadth of use cases - where each tool is genuinely strong
- Multimodality - image understanding, file uploads and more
- Privacy & GDPR - key notes for European users
- Ease of entry - how quickly you can get started without prior knowledge
- Value of the cheapest paid plan - is upgrading worth it?
Free AI Assistant Comparison: ChatGPT vs Claude vs Copilot vs Gemini
The question most people actually want answered: what do I get for free - and where will I hit a wall quickly? The table below gives a clear answer for all four best free AI assistants of 2026.
| Feature | ChatGPT (Free) | Claude (Free) | Copilot (Free) | Gemini (Free) |
|---|---|---|---|---|
| Company | OpenAI | Anthropic | Microsoft | |
| Free model | GPT-4o mini + limited GPT-4o | Claude Sonnet (limited daily) | GPT-4o (with Bing search) | Gemini 1.5 Flash |
| Usage limit (free) | Daily cap on GPT-4o; mini unlimited | Daily message limit | Unlimited (throttled at heavy use) | Unlimited (Flash model) |
| Web search included? | ✅ Yes (limited) | ✅ Yes (limited) | ✅ Always (Bing) | ✅ Yes |
| Image generation (free) | ✅ Limited (DALL-E) | ❌ No | ✅ Yes (Designer) | ✅ Yes (Imagen, limited) |
| Image analysis / upload | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| File upload (PDF, DOCX etc.) | ✅ Limited | ✅ Yes | ✅ Yes | ✅ Yes |
| Context window | Medium (~128k tokens GPT-4o) | Large (200k tokens) | Medium | Very large (1M tokens Pro) |
| App integrations | API, GPT plugins, ChatGPT apps | API, Claude apps | M365, Teams, Edge, Windows | Google Workspace, Android |
| Cheapest paid plan | ~$20/month (Plus) | ~$18/month (Pro) | ~$19/month (M365 Personal) | ~$21.99/month (Google One AI Premium) |
| Strongest use case | All-round AI, coding, plugins | Long texts, analysis, nuanced reasoning | Microsoft ecosystem, web search | Google integration, multimodality |
| English quality | ⭐⭐⭐⭐⭐ Excellent | ⭐⭐⭐⭐⭐ Excellent | ⭐⭐⭐⭐☆ Very good | ⭐⭐⭐⭐☆ Very good |
| GDPR note | US provider; training opt-out available | US provider; opt-out available | US provider; EU data storage partly available | US provider; EU data storage available |
| Delavo rating | ⭐⭐⭐⭐⭐ 5/5 | ⭐⭐⭐⭐⭐ 5/5 | ⭐⭐⭐⭐☆ 4/5 | ⭐⭐⭐⭐☆ 4/5 |
Last updated: May 2026. Features and limits change frequently - figures are indicative. All four services are US-based providers; for professional use with sensitive data, review the current privacy policies of each provider.
ChatGPT Free Plan - The All-Rounder with the Biggest Ecosystem
ChatGPT by OpenAI is the world’s best-known AI assistant and still sets the benchmark for the entire industry. The ChatGPT free plan gives you access to GPT-4o mini (unlimited) plus a limited daily allowance of the more powerful GPT-4o. Web search, image analysis and limited image generation via DALL-E are all included at no cost.
What do you get for free?
The free ChatGPT experience is a fully functional all-purpose assistant. GPT-4o mini handles everyday tasks - drafting emails, summarising documents, debugging code or quick research - reliably and fast. On any given day the free plan also unlocks GPT-4o for more demanding work where output quality matters.
What stands out most is the Custom GPT and plugin ecosystem. Thousands of pre-built AI agents for specific tasks are accessible directly from a free account - from SEO assistants to recipe planners to legal document reviewers.
Strengths & Weaknesses
- ✅ Largest ecosystem - Custom GPTs, plugins, API, iOS/Android apps
- ✅ Excellent English output quality, natural writing style
- ✅ Broad coverage: writing, code, images, data, web search
- ✅ Free version already highly capable for most use cases
- ⚠️ GPT-4o capped by daily limits on the free tier
- ⚠️ Privacy: training data opt-out must be manually enabled in settings
- ⚠️ Paid plan (Plus, ~$20/month) is pricier than most specialist tools
Who should use ChatGPT?
ChatGPT is the ideal starting point for anyone new to AI assistants - and a strong daily driver for writers, researchers and developers. Users who regularly need the most powerful model should consider upgrading to Plus. For specialised tasks like AI text optimisation (QuillBot), AI voice generation (ElevenLabs) or AI presentations (Gamma), dedicated specialist tools consistently outperform ChatGPT.
Claude AI Free - Best for Long-Form Content and Nuanced Analysis
Claude by Anthropic has earned a strong reputation among writers, editors and analysts for producing nuanced, longer-form output that reads less like generic AI text. Anthropic places a particular emphasis on safe and responsible AI development - which shows in Claude’s tone: more considered, more precise, and often surprisingly thoughtful.
What do you get for free?
The Claude AI free plan gives access to Claude Sonnet - a powerful model that handles the majority of everyday tasks with ease. The daily message limit is noticeable but manageable with focused prompting. The standout feature is the 200,000-token context window, which vastly outpaces ChatGPT Free for processing long documents, contracts, books or multi-document research sessions.
File uploads, image analysis and web search are all included in the free tier. Users who regularly work with long PDFs, detailed briefs or in-depth analysis tasks will notice quickly that Claude handles volume and complexity particularly well.
Strengths & Weaknesses
- ✅ Exceptional for long-form writing, structured analysis and editing
- ✅ Very large context window - ideal for processing lengthy documents
- ✅ Natural, less generic writing style in English
- ✅ Strong on nuanced, ethically sensitive topics
- ⚠️ Daily message limit is visible on the free plan
- ⚠️ No built-in image generation feature
- ⚠️ Smaller ecosystem than ChatGPT
Who should use Claude?
Claude is the first choice for anyone who regularly creates, edits or analyses long content: editors, consultants, researchers and anyone summarising or drafting documents at scale. Users who primarily need short marketing copy will often be faster with Rytr. Those who need to rewrite and improve existing text get better results with QuillBot.
Microsoft Copilot Free - The Best Choice Inside the Microsoft Ecosystem
Microsoft Copilot is Microsoft’s AI assistant, powered by OpenAI’s GPT-4o and deeply integrated into the Microsoft ecosystem: Edge browser, Windows, Bing, and - in the paid version via Microsoft 365 - directly inside Word, Excel, PowerPoint and Teams. The Copilot free tier is unique among the four in offering unlimited access to a top-tier model at no cost, albeit with throttling under heavy use.
What do you get for free?
Free Copilot includes an assistant with real-time Bing web search always on, image generation via Microsoft Designer (Flux-based) and image analysis. Anyone with a Microsoft account can access Copilot immediately via copilot.microsoft.com or directly in the Edge browser - no separate sign-up required. This makes it the lowest-friction entry point of the four.
Strengths & Weaknesses
- ✅ No separate account needed - works with any Microsoft login
- ✅ Web search always included - current information at no extra cost
- ✅ Powerful M365 integration (Word, Excel, Teams) in the paid version
- ✅ Free image generation included
- ⚠️ Text quality slightly behind ChatGPT and Claude
- ⚠️ Throttling under intensive free-plan use
- ⚠️ Full value only unlocked with M365 subscription (~$19/month)
Who should use Copilot?
Copilot is the right pick for anyone already working within Microsoft products who wants an AI assistant that integrates seamlessly. Users who spend most of their day in Word, Excel or PowerPoint get the highest return from the M365 subscription - far more than a standalone chatbot. For independent writing or creative work outside the Microsoft context, ChatGPT or Claude remain stronger options.
Google Gemini Free - Strongest for Google Workspace and Multimodal Tasks
Google Gemini is Google’s answer to ChatGPT and Claude - with the clear advantage of deep integration across Google services: Gmail, Google Docs, Google Drive, Google Meet and Android. Users who live in the Google ecosystem every day gain an assistant that can access their actual documents, emails and calendar entries directly.
What do you get for free?
The Gemini free plan runs on Gemini 1.5 Flash - a fast, compact model with solid general quality. Web search, image processing and file uploads are all included. Google Workspace users can activate Gemini directly inside Gmail or Docs without switching tabs. On Android devices Gemini is often pre-installed as the default assistant.
Strengths & Weaknesses
- ✅ Deepest Google Workspace integration (Gmail, Docs, Drive)
- ✅ Very fast response times on the Flash model
- ✅ Strong image generation with Imagen
- ✅ Seamlessly integrated on Android devices
- ⚠️ English text quality slightly behind ChatGPT and Claude
- ⚠️ Full potential locked behind Google One AI Premium (~$21.99/month)
- ⚠️ Privacy: review Google’s terms before using with business data
Who should use Gemini?
Gemini is the natural choice for anyone whose digital workflow lives inside Google. Users who rely on Gmail, Google Docs and Drive daily gain a genuine productivity advantage - an assistant that knows their content without any extra setup. For standalone creative writing or programming help, ChatGPT and Claude are still the stronger picks.
Which AI Tool for Which Task? - Free AI Writing Tools & More Compared
People searching for a free AI writing tool, a ChatGPT alternative free, or any specific AI use case want a direct answer. The table below maps 14 common searches to the four assistants - and to the specialist tools reviewed on delavo.de that often do the job better.
| Task / Search Term | ChatGPT | Claude | Copilot | Gemini | Specialist tool (delavo.de) |
|---|---|---|---|---|---|
| Free AI text generator | ✅ Excellent | ✅ Excellent | ➡ Good | ➡ Good | Rytr - optimised for short-form content |
| Paraphrase / rewrite text with AI | ➡ Possible | ➡ Possible | ➡ Possible | ➡ Possible | QuillBot - far more precise results |
| AI voice generator / text-to-speech | ❌ Not available | ❌ Not available | ❌ Not available | ❌ Not available | ElevenLabs - market leader |
| AI presentation maker | ➡ Text draft only | ➡ Text draft only | ➡ With M365 | ➡ Text draft only | Gamma - finished designs in minutes |
| AI research tool / academic search | ➡ Good | ✅ Excellent | ➡ Good (Bing) | ➡ Good | Consensus - 200M+ scientific papers |
| AI coding assistant / code generation | ✅ Excellent | ✅ Excellent | ✅ Good | ➡ Good | - |
| AI ad creative generator | ➡ Text draft only | ➡ Text draft only | ➡ Text draft only | ➡ Text draft only | AdCreative.ai - with conversion optimisation |
| AI email writer | ✅ Excellent | ✅ Excellent | ✅ Excellent (Outlook) | ✅ Excellent (Gmail) | - |
| Summarise long documents with AI | ➡ Good | ✅ Excellent (200k tokens) | ➡ Good | ✅ Excellent (1M tokens Pro) | - |
| AI voiceover for videos | ❌ | ❌ | ❌ | ❌ | Murf AI - incl. video editor |
| AI chatbot for website / customer support | ➡ Via API only | ➡ Via API only | ❌ | ❌ | Tidio - ready-to-use live chat solution |
| Web scraping / automation | ❌ | ❌ | ❌ | ❌ | Browse AI |
| AI dictation / voice to text (system-wide) | ❌ | ❌ | ❌ | ❌ | Wispr Flow - 4× faster than typing |
| AI landing page builder | ➡ Text draft only | ➡ Text draft only | ➡ Text draft only | ➡ Text draft only | Unbounce AI |
This overview makes one thing clear: the four major AI assistants are excellent general-purpose tools - but for specialist tasks like dictation, voice generation or presentation design, dedicated specialist tools consistently deliver superior results.
Privacy & GDPR - What You Need to Know
All four services are US-based providers, which means user data can in principle be processed on servers outside the EU. For personal use or testing with non-sensitive information this is generally unproblematic. For anyone entering confidential business or customer data, here are the key points:
- ChatGPT: Training data opt-out available in account settings. API customers receive stronger data protection guarantees than web users.
- Claude: Similar opt-out options. Anthropic emphasises responsible data use - EU data residency depends on plan.
- Microsoft Copilot: EU data storage options available for M365 E3/E5 enterprise customers. Bing-based chat conversations are stored with a time limit.
- Google Gemini: Gemini Advanced (Google One AI Premium) offers extended data protection and EU data residency options for Workspace users.
Our advice: test all four freely for creative and general work. For customer data, contracts or confidential internal information, check the specific business plans or look into European-hosted alternatives before committing.
Frequently Asked Questions
Which AI assistant is best for free use in 2026?
It depends on your use case. For all-round tasks and the broadest feature set, ChatGPT is the top pick. For long-form text analysis and writing, Claude AI free has the edge. If you’re already in the Microsoft ecosystem, Copilot integrates most naturally. Google Workspace users benefit most from Gemini.
Can I use ChatGPT, Claude, Copilot and Gemini for free permanently?
Yes - all four offer genuine, permanent free tiers with no expiry date. Limits apply to the quality of the model available (ChatGPT: daily GPT-4o cap; Claude: daily message limit) or usage volume. Copilot and Gemini are essentially unlimited on the free tier but throttle under very heavy use.
Is ChatGPT or Claude better for writing in English?
Both are excellent. Many users find Claude produces more natural, less generic-sounding English prose. ChatGPT wins on topic breadth and the plugin ecosystem. For professional rewriting and text improvement specifically, QuillBot as a specialist tool gives more precise, controllable results than either general assistant.
Which free AI assistant has the best web search?
Microsoft Copilot is the only one of the four to include Bing web search on the free plan without any visible daily limit. ChatGPT and Claude include web search on the free tier but with restrictions. Gemini also has web access, though the scope varies by device and account.
Which AI tool generates images for free?
Free image generation is available in ChatGPT (DALL-E, limited), Microsoft Copilot (Designer/Flux, generous allowance) and Google Gemini (Imagen, limited). Claude has no built-in image generation. For professional AI-generated ad creatives and marketing visuals, AdCreative.ai is the specialist solution.
Are ChatGPT, Claude, Copilot and Gemini GDPR-compliant?
All four are US-based services. For personal use this is generally unproblematic. For business use with sensitive data, the specific business or enterprise plans with EU data residency should be evaluated. We recommend not entering personally identifiable customer data into free AI chat interfaces.
Can I use these AI tools for dictation / voice-to-text?
No - ChatGPT, Claude, Copilot and Gemini do not offer real-time system-wide dictation. For AI dictation that works across every app, Wispr Flow is the specialist solution - up to four times faster than typing and available on Mac, Windows and iOS.
Which AI assistant is best for businesses?
It depends heavily on your existing software stack. Microsoft-centric businesses benefit most from Copilot in Microsoft 365. Google Workspace teams should evaluate Gemini Advanced. For specific business needs - AI chatbots, landing pages, voice generation - the specialist tools reviewed on delavo.de often offer better value than an all-purpose assistant subscription.
Verdict & Recommendation
ChatGPT, Claude, Copilot and Gemini are the four strongest general-purpose AI assistants available - and all four can be tested permanently for free. The differences come down to the details: context window size, ecosystem integration, output quality in English and the generosity of the free plan.
ChatGPT is the all-rounder with the widest ecosystem - ideal for beginners and heavy daily users. Claude stands out for long, nuanced texts and in-depth analysis. Copilot makes most sense inside the Microsoft world. Gemini is the natural choice for Google Workspace users.
One point worth keeping in mind: for specialised tasks like AI voice generation, dictation, presentations, text paraphrasing or ad creatives, the specialist tools reviewed on delavo.de are often the better and more cost-effective choice. The four big assistants complement the toolkit - they don’t replace it.
Related AI Tool Reviews on delavo.de
For every task that ChatGPT, Claude, Copilot and Gemini don’t cover well, delavo.de has an independent, hands-on review:
- QuillBot - AI paraphrasing & text optimisation
- Rytr - AI text generator for fast content
- ElevenLabs - AI voices & text-to-speech
- Murf AI - voiceover & audio production
- Gamma - AI presentations in minutes
- AdCreative.ai - AI ad creatives
- Wispr Flow - AI dictation in any app
- Tidio - AI chatbot & live chat
- Consensus - AI research with scientific sources
- All AI tools on delavo.de - full overview
Try them for free right now:
Extra transparency notice: This page contains affiliate links to the specialist tools reviewed on delavo.de. ChatGPT, Claude, Copilot and Gemini are not affiliate partners of delavo.de - making this comparison entirely independent.