You might have heard about Artificial intelligence in this technological era. Artificial Intelligence (AI) has become an integral part of modern life. It has transformed literally all industries and redefined human-computer interactions. Nowadays, and every person is using these AI models of ChatGPT, Gemini, and DeepSeek. They are now considered for the dominant players with unique features in the AI world.  All these AI models are easy to use and are making life even easier.

This article will shed light on the differences between these AI chatbots so that users can select the best model for their needs, casual conversations, research, or analytical tasks.

What is ChatGPT?

ChatGPT is a well-known generative AI model.

  • It is one of the most widely used AI models for generating human-like text.
  • It was developed by OpenAI.
  • It was launched in 30th November, 2022.

Visit, common excuses students make against plagiarism.

What is Gemini?

  • Gemini is the AI chatbot that is created by Google Deep Mind in December, 2023.
  • It is an advanced AI language model which is built to perform multimodal capabilities.
  • It can process and generate text, images, and other forms of data.

What is DeepSeek?

DeepSeek is a newer AI model developed by a Chinese company in 2025. It is designed to tackle technical tasks, scientific research and general purpose conversation.

  • The DeepSeek AI model was initially put forward in November 2023.
  • It was globally launched in January 2025.
  • It has become instantly popular within days like a forest fire in the global tech sector. 

Differences between Chat GPT, Gemini, and DeepSeek

Architectural design:

ChatGPT:

  • ChatGPT is the AI model that is built on Transformer architecture.
  • It consists of a series of GPT (Generative Pre-trained Transformer).
  • GPT 3.5 is the commonly used free GPT.
  • It focuses on delivering text-based information.

Gemini:

  • Gemini is based on multimodal architectural design.
  • Gemini enables to generate text, images, audio, and videos for the users.

DeepSeek:

  • DeepSeek is also build on Transformer-based architecture.
  • It is meant to support integrations with enterprise systems.
  • It also consists of APIs for enhanced functionality.

Versions:

ChatGPT

ChatGPT is available in its GPT version, with different features:

  • GPT-3, launched in 2020 and it’s surpassed now.
  • GPT-3.5, launched in 2022
  • GPT-4, launched in March 2023
  • GPT-4o or GPT-4 turbo, launched in November 2023

Gemini

Gemini is also available in two versions, designed for specific tasks.

  • Gemini Pro
  • Gemini Ultra

DeepSeek:

DeepSeek AI gives its access to two of its versions.

  • DeepSeek -R1
  • DeepSeek-V3

Cost and Accessibility

ChatGPT:

ChatGPT, the OpenAI chatbot is available for free usage as well as paid services.

  • It also has messaging limits.
  • It provides a paid plan for more advanced feature access.

Gemini:

  • Gemini is known for task automation in particular.
  • It is also free and paid plans for the users use.
  • The cost and pricing is based on the Google Cloud services, as per the usage-based pricing.

DeepSeek:

DeepSeek is a cost effective AI tool that is almost free. It has no messaging limits.

Data sources and knowledge:

ChatGPT:

  • Chat GPT is a diverse database that extract its data from many books, articles, and web pages,
  • it works on the principle of reinforcement learning through human feedback (RLHF).
  • The knowledge cutoff is of April 2023.
  • But it is updated on regular basis. Thus, new information is also accessible.

Gemini

As Gemini is a google powered AI tool, it has access to the vast data resources of google.

  • It doesn’t have a fixed knowledge as it us updated every day as per the updates in google web pages.
  • It is under the influence of Google’s real-time data access.
  • The data is also extracted from text, audio, images, videos from google, YouTube, and other search sources.

DeepSeek:

  • For DeepSeek V3, the knowledge cutoff is July 2024.
  • It is frequently updated to improve information.
  • It focuses on domain specific knowledge from combined extraction of structured and unstructured datasheets.
  • The data belongs to technical and scientific fields.

Core Strength

ChatGPT:

The core strengths of ChatGPT are:

  • High quality text generation
  • Conversational AI,
  • Content creation,
  • Copywriting, and
  • General-purpose assistance.
  • Strong developer community

Gemini:

The core strengths of Gemini are:

  • Real-time information processing,
  • Multimodal AI applications,
  • Advanced reasoning.
  • Integration with Google

DeepSeek:

The core strengths of DeepSeek AI are:

  •  Accuracy
  • contextual understanding.
  • technical problem-solving,
  • research-based applications,
  • computational reasoning.
  • Domain-specific applications

Use cases:

ChatGPT:

ChatGPT is well known for the diverse range of use cases and its multitasking abilities. It is used for:

  • Chatbots and virtual assistants
  • Writing
  • Content creation
  • Programming and debugging
  • Educational tutoring
  • Customer support

Gemini:

Gemini offers many benefits for the users. It can be utilized for:

  • Multimodal content processing
  • Real-time data retrieval
  • Research and analytics
  • AI-enhanced automation
  • Productivity tools
  • Enterprise solutions
  • Art, music and video generation

DeepSeek:

DeepSeek is known for it uses in different aspects. It can work for:

  • Scientific and technical research
  • Data analysis and predictions
  • AI-driven simulations
  • Deep learning model training
  • Domain specific chatbots
  • Healthcare, finance, and retail customer support
  • Conversational chat
  • Education

Accuracy and Reliability:

ChatGPT

  • Chat GPT is performing exceptionally in responding to general queries in a conversational tone.
  • Chat GPT is highly accurate but flaws also exist.
  • It sometimes makes mistakes or gives outdated information.

Gemini

  • Gemini has an improved accuracy as it follows the Google real-time updates.
  • It also gives references and links to its source information.
  • It is more reliable for updated and fact-based queries.

DeepSeek

  • DeepSeek is less conversational fluent than ChatGPT.
  • But it can be used as general purpose chat.
  • It has more accurate information about technical and scientific domains in particular. 

The Final Remarks:

In short, all of these AI are there to facilitate human life with strong analytical and problem-solving abilities. Chat GPT is best for text-based tasks from any text, image, or document input. Gemini has Google-powered infrastructure while DeepSeek is an accurate, latest, and free tool for technical problems. Each tool has its unique strengths and features. So the choice depends upon the users as per their demands.

What is your opinion about these AI tools?

Learn about how to detect plagiarism in content.