8 Best Free AI Chatbots for 2025 (Tested & Compared)

Do you want a smart and friendly assistant you can talk to anytime, for free? If that’s so, then the best free AI chatbots are doing just that.

They’re fast, helpful, and sound almost like real people.

Free AI chatbots help more people use smart tools without paying money. They are perfect for students, small businesses, and anyone wanting to try something cool. 

Free chatbots are good for fun, learning, and getting help fast.

This guide will show you the best free AI chatbots in 2025. We’ll compare them side by side and tell you which one is best for different jobs. 

Let’s get started!

Head-to-Head Comparison Table

Here is a detailed comparison table for the AI chatbots. 

Our Testing Criteria

We used a clear and fair testing process to determine the best free AI chatbots in 2025. Every chatbot was tested using the same steps, the same types of questions, and the same device. This helped us compare them honestly and equally, giving real, helpful results.

Prompt Categories Used

We asked each chatbot the same kinds of questions, grouped into five main categories:

• Creative Writing: We gave prompts like “Tell a bedtime story about a robot who wants to be human.” This tests how well the chatbot can do creative writing. 
• Coding Support: We tested how well each AI could help with coding tasks, like “Write an HTML and CSS code to build a Call-to-Action (CTA) block for a WordPress page.” We tested the code to see if it works in a WordPress page.”
• General Knowledge Q&A: These were basic knowledge questions, such as “Which is the first website to be hosted on the Internet?” When and where was the first WordCamp event? Who was the first person to land on the moon? In which year was the personal computer invented? This showed us how well the chatbot understands GK topics.
• Personal Assistant Tasks: We asked things like “Plan a 3-day trip to Tokyo” This helped us see if the chatbot is helpful for everyday tasks and time-saving suggestions.
• Image Generation (if available): Some AI chatbots offer image creation. We asked for things like “generate an image of a cat flying through space.” This lets us test how creative and accurate the visual tools are, if the chatbot has this feature.

Here’s how we ran the tests:

• We checked if the chatbot gave correct, helpful, and complete answers.
• We used an online stopwatch to see how fast each AI answered our questions.
• We looked at how clean, easy, and enjoyable the chat interface was on both desktop and mobile.

We also kept records and screenshots of every test, so our review will contain solid proof for every score and ranking.

And by the end of this test, you’ll find out which chatbot is best, whether you’re a student, developer, business owner, or just curious. 

Now, let’s dive into the complete comparison!

Best Free AI Chatbots of 2025

Here we’ve some popular AI chatbots, let’s take a look at their performances now! 

To ensure the accuracy of our tests, we conducted them on the same device and under the same internet speed, as these factors can also influence the generation speed of chatbots. Also, we’ve used the same prompt for all the AI chatbots for this test.

1. ChatGPT

OpenAI’s GPT-3.5 model powers ChatGPT Free, which will remain one of the most widely used AI chatbots in 2025. Available through chat.openai.com, this version is completely free and requires only a basic account. 

While it doesn’t include the more advanced GPT-4 features available to paid users. It still offers impressive writing, coding, and general Q&A performance. 

The free tier supports multi-turn conversations, basic memory (for session context), and a clean, mobile-friendly interface. It supports 50+ languages and is popular for its better performance and ease of use.

Let’s take a look at its test result now!

ChatGPT Free (GPT-3.5) delivered a strong, well-rounded performance across all test categories. Below you can see the screenshots of each test:

Creative Writing

In this creative writing test, ChatGPT tells a heartwarming story. The story gently explores themes of kindness, empathy, and identity, and ends with a positive message.

Coding

This clean, responsive HTML block is a ready-to-use solution for WordPress users looking to add modern. It also worked perfectly fine in the WordPress page. 

General knowledge

These quick factual answers offer a concise snapshot of key historical and cultural milestones, perfect for trivia enthusiasts or curious learners. They are simple, direct, and to the point.

Personal Assistance

This 3-day Tokyo itinerary balances tradition, pop culture, food, and relaxation, offering first-time visitors an authentic taste of Japan’s vibrant capital. It gave us smart tips and a thoughtfully paced schedule to ensure an unforgettable and hassle-free introduction to Tokyo.

Image Generation

As you can see in the image above, ChatGPT created a vivid and imaginative illustration of a cat flying through space. This visual response showcases the high-quality, creative artwork that you can download simply by clicking on the download button.

2. DeepSeek

DeepSeek Chat is a rising AI chatbot developed by the Chinese company DeepSeek, known for its strong performance in coding and technical tasks. The free version of DeepSeek is powered by DeepSeek-V2, an open-source LLM trained on a large bilingual (Chinese-English) dataset. 

It supports both English and Chinese fluently, making it highly useful for multilingual users and developers. It currently supports basic memory within single sessions, but doesn’t store long-term history. 

While the free version lacks image generation and file handling, DeepSeek offers unlimited daily usage without aggressive caps. 

Let’s test it out then!

Creative Writing

While DeepSeek is best known for its coding capabilities, we wanted to see how well it could shift into a more imaginative mode. 

Coding

DeepSeek’s reputation is strongest in the developer community, so expectations were high for the coding test. 

Besides the clean code, it also gave us a list of the block’s key features, like its mobile friendliness, modern typography, color scheme, etc. It also gave some ideas for customizing the block’s color, adjusting padding/margins, etc.

General Knowledge

DeepSeek gave us quick factual answers to our general knowledge questions. They are simple, direct, and to the point.

Personal Assistance

Though not primarily built as a personal assistant, DeepSeek still needs to prove its usefulness in planning and organizing tasks. Like ChatGPT, we asked it to plan a three-day trip to Tokyo. 

We checked for detail, local insight, and whether the chatbot considered timing, culture, and convenience, important traits for any assistant.

3. Google Gemini

Google Gemini is Google’s advanced multimodal AI chatbot, running the Gemini 2.5 model (released March 25, 2025). The free tier is available to anyone with a Google or Workspace account. 

It supports text, images, audio, and even limited video input, and integrates seamlessly into Google Lens, Search, and apps like Docs and Gmail. Gemini Free lets you ask follow-up questions in context, upload images for visual answers, and interact via voice commands. 

Developers can also access Gemini 2.5 Pro via Google AI Studio or Gemini CLI. It offers a free allotment of 1 million token context capacity, 60 requests per minute, and 1,000 API calls daily. 

Creative Writing

For this prompt, Gemini generates a story to understand human feelings. 

Coding

With Gemini’s developer-friendly interface and Google AI Studio integration, we were curious how it would handle a web development task. We evaluated the quality of the code and how well it followed the layout instructions. It also gives you code and an option to preview how it looks. Isn’t that amazing

General Knowledge

Gemini is connected to live Google Search, so it has a natural advantage in answering factual questions. 

It provided concise, 2-3 word answers for each question, which shows quick recall of factual information. 

Personal Assistance

As you can see in the image above, there’s a 3-day itinerary for first-time visitors. This plan offers a balanced mix of cultural sights, modern experiences, and local food suggestions for morning, afternoon, and evening each day, along with practical tips to help navigate the city effectively. 

Image Generation

For this image generation request, Gemini provided the image and a complete HTML page designed to generate and display a picture of a cat flying through space.

4. Microsoft Copilot

Microsoft Copilot, formerly known as Bing Chat, is powered by Microsoft’s Prometheus model built on OpenAI’s GPT‑4 and GPT‑4o. It’s available across Windows, Edge, and mobile devices. 

In its free tier, you can enjoy real-time web access via Bing, voice conversations, and “Think Deeper” reasoning using OpenAI’s o1 model. All now with unlimited use as of February 2025. 

Moreover, Microsoft says Copilot typically responds within seconds. It provides real-time answers with web citations. Also, it supports numerous languages, is deeply integrated into Windows 11 (even features a dedicated “Copilot” key). 

Creative Writing

While Microsoft Copilot is often seen as a utility tool, we wanted to see how it handles creative expression. 

It gave us an emotionally resonant short story. The tale gently explored themes of kindness, courage, and connection, ending on a heartwarming message.

Coding

Copilot is designed for professionals and is often used in technical contexts, so we expected strong results in the coding test. We looked for valid, clean code.

As shown in the image above, it gave us a clean, responsive HTML block with inline CSS for use in a WordPress Custom HTML widget. 

The layout included a centered heading, paragraph, and a styled call-to-action button, all optimized for mobile and modern aesthetics, with no reliance on external stylesheets.

General Knowledge

With built-in access to real-time Bing Search, Copilot can handle educational and factual queries. 

It gave answers in a crisp, 2–3 word format. Each response was accurate, concise, and formatted cleanly for quick reference or potential quiz use.

Personal Assistance

Copilot is marketed as a digital assistant, so this test was right in its lane. 

It planned a vibrant, balanced 3-day itinerary for a first-time Tokyo visitor, blending cultural landmarks, food experiences, and practical travel advice. Each day included morning, afternoon, and evening suggestions for easy navigation and immersive exploration.

Image Generation

Copilot delivered a playful and imaginative digital artwork for the image generation test.

5. Perplexity AI

Perplexity AI is an innovative AI-powered search engine that blends conversational chat with live, source-cited responses. Launched in late 2022 and valued at around $14 billion as of June 2025, it processes over 780 million queries a month and handles roughly 30 million searches daily. 

The free version provides real-time web searches, detailed explanations, and citations straight in the chat. Also, it supports 15 languages. 

The interface includes a Deep Research mode, capable of synthesizing hundreds of sources into coherent reports in under three minutes. With a clean UI, no daily caps on basic queries, and strong accuracy for up-to-date facts.

Creative Writing

Perplexity is better known for facts than fiction, so this test challenged it to show off its creative side. We evaluated its storytelling abilities, emotional tone, and whether it could step outside its usual fact-based tone to deliver an imaginative narrative.

It gave us a simple, emotional bedtime story that ended with a positive message. Perplexity not only gives us the result but also related topics, as you can see in the image below. 

Coding

Though not primarily a developer tool, Perplexity can still generate and cite code with references. For this test, we evaluated how accurate and clean the code was

You can see it created a clean, modern, and mobile-friendly HTML content block with inline CSS suitable for a WordPress Custom HTML block. 

It includes a centered heading, paragraph, and a call-to-action button with accessible styling and hover effects implemented via inline event handlers.

General Knowledge

This is Perplexity’s main area; thanks to its real-time search engine and automatic citations, it generated concise, accurate answers in 2-3 words for each question.

It’s one of the few tools that lets users verify information immediately.

Personal Assistance

In the personal assistance test, a balanced 3-day Tokyo itinerary was planned, mixing cultural sights, local food experiences, and practical tips. Each day is divided into morning, afternoon, and evening activities. 

It also covered iconic landmarks, traditional and modern attractions, and culinary highlights.

Although the generation took longer, it provided all the details. Like the site, it looked to plan the trip and provided important information along with its maps.

6. you.com

YouChat, the AI assistant accessible via You.com, has evolved from a personalized search engine into a powerful, chat-first experience. It launched in late 2021 and, by 2022, became the first AI chatbot to combine web search results with LLM-generated responses. It offers real-time, citable answers while still being free to use. 

YouChat supports multiple input formats (text, charts, code, images, videos.) It also allows you to switch between different AI models via its “AI Modes” (Smart, Genius, Create, Research). So, it’s ideal for research, creative writing, and coding. 

Creative Writing

While YouChat is designed around productivity and research, we wanted to see how well it performs creatively. 

Along with the story generation, it also suggested more relatable questions, as you can see in the image below. The source of the story is also on the right side. The tone is also gentle and engaging, perfect for children. 

Coding

YouChat has grown in popularity among developers thanks to its coding-friendly AI modes and the ability to pull in examples from real code documentation. 

You can see a clean, modern, and mobile-friendly code snippet for the HTML with inline CSS for a WordPress content block.

It included a centered heading, paragraph, and a call-to-action button styled with system fonts, balanced spacing, and accessible colors. 

The design is minimal and adaptable, and it works well inside a WordPress Custom HTML block without relying on external stylesheets.

General Knowledge

This is one of YouChat’s strengths. Thanks to its real-time web search and source citations. 

Personal Assistance

What makes this chatbot different is that it not only generates plans but can also reference real locations, maps, and reviews. We evaluated how well it organized the trip and whether it used current information from the search.

However, after generating 3 queries, it said, “You’ve hit your free quota for a day”. And you can only use it if you have a premium subscription or wait for a day.  

Image Generation

you.com gave us a creative and imaginative image of a cat flying through space in response to the image generation prompt.

7. Meta AI (Facebook Messenger/Instagram)

Meta AI is Meta Platforms’ free AI assistant, powered by the cutting-edge Llama 4 model launched in April 2025. It’s available on Facebook, Messenger, Instagram, WhatsApp, as a standalone app, and with smart glasses integration. 

Moreover, it reached over 700 million to 1 billion monthly users by mid‑2025. Meta AI offers strong multilingual support with 200 different languages. 

It also features voice-based and text-based conversational modes. Moreover, it maintains session and cross-platform memory, drawing context from users’ social activity via Facebook and Instagram. 

Let’s see how it works!

Creative Writing

Meta AI is known for its playful tone and chatty style, so we were curious to see how well it could deliver a heartfelt bedtime story. It generated a natural story feel that was suitable for children.

Coding

Though Meta AI isn’t primarily marketed for developers, it does support basic technical tasks within the chat interface. 

Since it runs inside Messenger, we tested it outside of Messenger to check how well the code displayed in a social chat format and whether it was copy-paste ready for real-world use.

And it gave us a clean, modern HTML with inline CSS designed specifically for use in WordPress’s Custom HTML block. The block featured a centered heading, a paragraph, and a call-to-action button. 

General Knowledge

With access to Meta’s broad knowledge base and live integration with its ecosystem, Meta AI could handle basic educational queries well. Each answer is factually accurate and presented efficiently for quick reference or reuse.

Personal Assistance

This test challenged Meta AI to be more than just chatty; it had to be practical. Since it runs within Instagram/Messenger, we expected a conversational tone and lighter suggestions. 

It also planned a 3-day itinerary for first-time Tokyo visitors, blending cultural sights, local food, and hidden gems across morning, afternoon, and evening segments. Practical advice such as transit tips and social etiquette, is also included in the guide to make travel smoother.

Image Generation

We got a creative and imaginative visual representation of a cat flying through space in response to the image generation prompt.

8. Grok (Integration with X)

Grok is XAI’s flagship AI chatbot, developed by Elon Musk’s team and deeply integrated into the X platform. The latest version, Grok 4, was launched on July 9, 2025. It’s praised for its better reasoning abilities and outperforms graduate-level benchmarks without tools. 

Moreover, Grok supports rich multimodal features, including image generation (via the Aurora model) and real-time access to social media and Tesla/SpaceX data. It’s available publicly on X and via mobile/web apps. 

With upcoming integration into Tesla vehicles and apps like Telegram, Grok is evolving rapidly.

Creative Writing

Grok is known for its witty, sometimes sarcastic personality, so we wanted to see how well it could handle a softer, more emotional prompt. 

It gives us an emotional narrative story that ends with a positive message, making it ideal for inspiring and comforting children.

Coding

xAI claims Grok excels at advanced reasoning and technical tasks, so we gave it a front-end coding challenge. 

This response provides a clean, modern HTML content block with inline CSS, designed for seamless integration into a WordPress Custom HTML block. 

The layout is mobile-friendly and visually appealing, and has a centered heading, a concise paragraph, and a responsive call-to-action button.

General Knowledge

Grok’s integration with live X platform data makes it particularly interesting for current events, but we wanted to test its knowledge on past events. 

As you can see in the image, this response delivers concise, accurate answers to five historical questions. The format is brief and precise, addressing diverse topics with clarity for quick reference.

Personal Assistance

While Grok isn’t branded as a virtual assistant, it has shown capability in structured planning tasks. Although this section took longer to plan a trip, it provided detailed information with a time stamp and pricing. 

Image Generation

In response to image generation prompts, Grok provided a set of creative visualizations featuring a cat flying through space in various styles and perspectives. 

Performance Rankings (Based on Test Results)

After running tests across all 8 free AI chatbots, here are the top performers in each key category:

1. Fastest AI Chatbot

Perplexity AI consistently delivered the fastest response times across all categories except image generation (which it doesn’t support), with standout speeds in coding (6.02s) and general knowledge (4.76s). Gemini and Meta AI also performed impressively, especially in creative writing and general responses.

2. Most Accurate (Creative + Factual)

ChatGPT consistently performed well in creative writing, coding, and general knowledge, maintaining tone, structure, and accuracy. Thanks to Google Search integration, Gemini also did well with factual Q&A, while Copilot and Perplexity delivered very accurate responses with sources.

3. Best Multilingual Support

Meta AI outperforms others with support for 200+ languages, making it ideal for global users. DeepSeek is strong in bilingual performance (English-Chinese), while Gemini supports over 40 languages with solid localization and ChatGPT with 50+ languages.

4. Best for Conversations/Personality

Meta AI delivers human-like responses with a natural tone and contextual awareness, making chats feel personal and social. ChatGPT balances a friendly tone with clarity, and Grok adds a witty personality through humor and sarcasm.

5. Most Generous Free Tier

DeepSeek offers unlimited daily usage with strong technical ability. Copilot also removed daily caps in 2025. Perplexity offers unlimited factual searches with citations and no major usage limits. YouChat had usage caps that limited performance.

6. Best Mobile Experience

The ChatGPT Free interface is lightweight, responsive, and optimized for mobile. It offers smooth scrolling, intuitive UI design, and cross-device sync. Even without access to GPT-4 features, GPT-3.5 performs well across tasks on smartphones or tablets.

Whereas Meta’s AI functions within Messenger, WhatsApp, Instagram, and a standalone app. It offers cross-platform continuity and smart contextual memory, perfect for mobile-first users who frequently switch apps.

Frequently Asked Questions (FAQs)

Conlcusion

So, that’s all for the best free AI chatbots for 2025. We hope this article provides an idea of which chatbot is best for you.

Please feel free to comment below if you have any further questions about these AI chatbots. We’ll do our best to respond as soon as we can.

Also, let us know which AI chatbots you’re using. You can share your experience in the comments section below.

You can also check out our articles on AI threats or tools for bloggers, and how to use AI in website development.

Follow us on Facebook and Twitter for more articles like these. 

Also, if you liked this article, then share it with your friends and colleagues.