Wednesday, January 31, 2024

What's GPT Meaning? Understand More About GPT-3.5, GPT-3.5-Turbo and GPT-4

OpenAI's ChatGPT has earned its stripes as a widely recognized AI chatbot, capturing the attention of around six in ten adults in the US, according to a recent Pew Research Center survey. While ChatGPT is a household name, let's delve deeper into the engine that powers this conversational marvel.

At the heart of ChatGPT lies the acronym GPT, which stands for Generative Pre-trained Transformer. This family of large language models, crafted by OpenAI, utilizes deep learning to generate human-like text. The GPTs are the driving force behind AI chatbots, boasting natural language processing capabilities that comprehend user inputs and generate contextually relevant outputs.

GPT-3.5: The Standard Bearer

The standard version of ChatGPT harnesses the power of GPT-3.5, an evolved iteration of GPT-3. This model, revered for its prowess in understanding natural language prompts and even generating code, reigned supreme until the advent of GPT-4.

GPT-3.5 Turbo: Polished Performance

A refined version of GPT-3.5, known as GPT-3.5 Turbo, takes center stage for developers. This model, available for purchase through the OpenAI API, offers enhanced capabilities, including improved contextual understanding and the generation of higher-quality outputs. Developers can choose from various models like gpt-3.5-turbo-1106, gpt-3.5-turbo, and gpt-3.5-turbo-16k, each catering to specific needs.

GPT-4: Unleashing the Future

March 14, 2023, marked the unveiling of GPT-4, the latest and most advanced language model system from OpenAI. This multimodal model can process both text and image inputs, setting it apart as a groundbreaking advancement.

GPT-4 Capabilities: A Multimodal Marvel

GPT-4's capabilities extend beyond its predecessors, enabling it to accept and process image inputs alongside text. This versatility opens doors to applications like scanning worksheets, interpreting graphs, and generating human-like text responses based on diverse inputs.

Accessing GPT-4: ChatGPT Plus Subscription

For a subscription fee of $20 per month, users can access GPT-4 through ChatGPT Plus. However, there is a limitation of 40 messages every 3 hours, urging potential subscribers to weigh the cost against usage needs.

Microsoft Copilot: An Alternate Gateway

Microsoft Copilot, formerly Bing Chat, is another conduit to GPT-4. This AI chatbot operates on GPT-4 and offers similar capabilities to ChatGPT Plus, without the subscription fee. Users can access Copilot through its standalone website or within the Bing web browser.

GPT-4 Turbo emerges as OpenAI's latest model, surpassing its predecessors in capabilities. With an updated knowledge cutoff of April 2023 and a 128k context window, this model introduces enhanced features and is available exclusively through an API.

APIs and Pricing

Developers can access APIs for all GPT models. GPT-3.5 Turbo's input prices have been reduced to $0.0005 per 1,000 tokens, with output prices at $0.0015 per 1,000 tokens. GPT-4, with broader capabilities, is priced at $0.03 per 1,000 tokens for input and $0.06 per 1,000 tokens for output. GPT-4 Turbo, available only via API, offers a more economical option at $0.01 per 1,000 tokens for input and $0.03 per 1,000 tokens for output.

As OpenAI continues to push the boundaries of language models, the evolution of GPTs stands as a testament to the rapid advancements in AI technology, offering developers and users alike a glimpse into the future of conversational AI.


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