Free ChatGPT vs DeepSeek Comparison 2025 – Test Results 

The launch of DeepSeek shook the entire USA stock market. Big tech companies trembled with their shares going down after DeepSeek R1 was launched.

DeepSeek R1 broke the download records and was downloaded 6.45 million beating ChatGPT.

This article provides an in-depth comparison of ChatGPT vs DeepSeek considering their cost, usage, and features. We will also look at more alternatives to ChatGPT for writing.

ChatGPT vs DeepSeek: An In-Depth Comparison

ChatGPT, developed by OpenAI, and DeepSeek AI, owned by the Chinese hedge fund High-Flyer are both prominent AI language models (LLM). 

While they share the common goal of facilitating human-like interactions, their design philosophies, functionalities, and applications differ significantly.

Key Differences Between ChatGPT and DeepSeek

FeatureChatGPTDeepSeek
DeveloperOpenAILiang Wenfeng
Release DateNovember 30, 2022November 2023
CEOSam AltmanLiang Wenfeng
MAU180.5 million33.7 million
Free versionYes, but limitedYes, open-source
Accessibilityweb, iOS, and Android appsweb, iOS, and Android apps
Starting Price$20/month$0.07
Latest VersionGPT-4oDeepSeek-R1

ChatGPT vs DeepSeek: Cost Comparison

Cost plays a significant role in the adoption and training of AI models, particularly for businesses and individuals looking for scalable AI solutions. Below is a comparison of the costs associated with ChatGPT and DeepSeek:

Cost FactorChatGPTDeepSeek
Subscription Model1Free – $0/ month,
Plus – $20/ month,
Pro – $200/ month,
Team – $25per user/month, $30per user/month,
Enterprise – Contact sales
1M TOKENS INPUT PRICE(CACHE HIT) – $0.07
1M TOKENS INPUT PRICE(CACHE MISS) – $0.27
1M TOKENS OUTPUT PRICE – $1.10
API AccessNot Free, charged per 1M tokenNot Free, charged per 1M token
Training CostEstimated at over $100 million for GPT-4Estimated at $6 million for DeepSeek V3, making it a cost-effective AI tool for writing
GPUsNVIDIA’s H100 GPUs2,000 of Nvidia’s H800 chips

DeepSeek’s lower training and operational costs make it a more budget-friendly alternative, particularly for organizations looking for AI-powered research solutions. 

However, ChatGPT’s widespread adoption and extensive API ecosystem provide significant advantages for users who prioritize conversational and creative AI applications.

DeepSeek API vs ChatGPT API

DeepSeek-Chat vs. DeepSeek-Reasoner

FeatureDeepSeek-ChatDeepSeek-Reasoner
Context Length64K64K
Max CoT Tokens32K
Max Output Tokens8K8K
1M Tokens Input (Cache Hit)$0.07$0.14
1M Tokens Input (Cache Miss)$0.27$0.55
1M Tokens Output Price$1.10$2.19

Key Takeaways:

  • DeepSeek-Reasoner is more expensive than DeepSeek-Chat in terms of both input and output costs.
  • DeepSeek-Reasoner supports Chain-of-Thought (CoT) reasoning up to 32K tokens, making it better for complex reasoning tasks.
  • DeepSeek-Chat is more cost-efficient and still supports a large 64K context.

ChatGPT API

Realtime API

Text Pricing Comparison:

Model1M Input Tokens1M Cached Input Tokens1M Output Tokens
GPT-4o$5.00$2.50$20.00
GPT-4o Mini$0.60$0.30$2.40

Audio Pricing Comparison:

Model1M Input Tokens1M Cached Input Tokens1M Output Tokens
GPT-4o$40.00$2.50$80.00
GPT-4o Mini$10.00$0.30$20.00

Key Takeaways:

  • GPT-4o Mini is much cheaper than GPT-4o for both input & output tokens, making it a cost-effective choice for large-scale applications.
  • GPT-4o is 8x more expensive for text input and output than GPT-4o Mini, but likely provides better reasoning and quality.
  • Audio processing is much more expensive than text – GPT-4o costs $40 per 1M input tokens and $80 per 1M output tokens.
  • Cached token pricing is very low, especially for audio in GPT-4o Mini ($0.30 per 1M tokens).

Test Results of ChatGPT vs DeepSeek

To test the results of ChatGPT and DeepSeek, I asked the same question to both AI chatbots. Let’s see how the results of deepSeek vs ChatGPT differ from each other.

Result of ChatGPT prompt:

chatgpt output

Result of DeepSeek:

deepseek output

ChatGPT vs Other AI Chatbots: A Comparative Overview

Before and after DeepSeek, several AI chatbots are competing in the market, each with distinct features and capabilities. The table below provides a detailed overview of ChatGPT vs Perplexity vs Copilot vs Bard vs Claude vs Grok 3.

FeatureChatGPTPerplexityCopilotBard (Gemini)ClaudeGrok
DeveloperOpenAIAravind Srinivas, Denis Yarats, Johnny Ho, Andy KonwinskiMicrosoftGoogle DeepMindAnthropicxAI (Elon Musk)
Founded In202220222023202320232023
Latest versionGPT-4oSonar-reasoning-pro (128k context)NA2.0Claude 3.5 Sonnet (New)Grok 3
Language SupportEnglish, Spanish, French, German, Italian, Portuguese, Dutch, Russian and moreEnglish, German, French, Japanese, Korean, and Hindi English, Spanish, French, German, Italian, Portuguese, Dutch, Russian, Chinese, Japanese, Korean, Arabic, Hindi and moreMore than 35. Like Arabic, Bengali, Bulgarian, English, Hindi, Gujarati, Danish, Marathi, Russian, Vietnamese, Thai and moreEnglish, Spanish, French, German, Italian, Portuguese, Japanese, Chinese, Russian, Hindi, and moreEnglish, Spanish, Portuguese, Russian, Hindi, Chinese, Italian, French, Japanese, and Korean
Starting Price$20/ month$2 per 1 million$30/user/monthGemini 2.0 Flash$0.10 (text/image/video)$0.70 (audio)Pro – $18 per monthFree

Conclusion

There are questions on the exact cost of DeepSeek development and the results on chatbot are not fine-tuned. This is where ChatGPT excels over other AI chatbots with advanced functionalities.

Other chatbots like Perplexity, Copilot, Bard (Gemini), and Claude, serve different niches, providing specialized interactions such as real-time research, coding assistance, and ethical AI responses.

Grok 3 claims to be the smartest AI on the planet with the ability to solve complex mathematical problems, codings, etc.

FAQs | DeepSeek vs ChatGPT

How much does it cost to develop an AI chatbot like ChatGPT?

The estimated cost for developing ChatGPT 4o was around $100 million.

Is ChatGPT more expensive than DeepSeek?

Yes, ChatGPT has higher training and operational costs, whereas DeepSeek is more cost-effective, with significantly lower energy consumption and operational expenses.  The development cost for DeepSeek  Was around $6 million much cheaper than the development cost of ChatGPT.

Is Grok 3 better than ChatGPT?

ChatGPT does not possess the richness of Grok 3 xAI as it is trained on text data extracted from the internet.

Can I detect AI written content and plagiarism?

While there are plenty of AI content detection tools, you should proofread your articles before publishing them. One of the top-tier AI content detectors is Originality.ai which is available for free.

Which is the best AI writing software or app for WordPress users?

Rank Math is the best AI content writing tool for WordPress users you might want to check other AI writing software tools for free and with premium plants available.

Can I make money with ChatGPT?

ChatGPT does not have an affiliate program but can suggest you the top ways to make money online. There are many AI affiliate programs that you can join for free and earn good commissions.

What is the DeepSeek stock price?

As per Crypto.com, DeepSeek AI Agent’s price today is US$0.0000000000286, with a 24-hour trading volume of $52,081. DEEPSEEKAI is -7.42% in the last 24 hours. It is currently -38.32% from its 7-day all-time high of $0.00000000004637, and 2.26% from its 7-day all-time low of $0.00000000002797. DEEPSEEKAI has a max supply of 42,069,000 B DEEPSEEKAI.

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