GPT-4: OpenAI's Latest Multimodal Natural Language Model

Since the release of GPT-3, especially the ChatGPT based on the GPT-3.5 model, people are highly anticipating the release of GPT-4. With the already impressive performance of GPT-3.5, what level will GPT-4 reach and will its language ability surpass human language capacity? Currently, there is limited official information available about GPT-4. This article will provide the most objective facts.

What is GPT-4

GPT-4 is a new generation of multi-modal large-scale natural language model developed by OpenAI. It can accept image and text input and output accurate text responses. Compared with GPT-3.5, GPT-4 is more reliable and can handle more subtle instructions. On March 14, 2023, OpenAI released an announcement about GPT-4 on its official website. The official said, “GPT-4 is the world’s first advanced AI system with high experience and powerful capabilities. We hope to promote it soon to everyone”.

Price: Start $0.03 / 1K tokens
Tag: AI Chatbot
Release time: March 14, 2023
Developer(s): OpenAI

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Key Information About GPT-4

  • It is planned to be released in 2023 provided that OpenAI deems it to be secure enough.
  • It will be stronger than GPT-3 and may potentially reach a new level and bring about a breakthrough (potentially).
  • GPT-4 is not AGI, and OpenAI does not currently have AGI.
  • On March 9th, 2023, the head of Microsoft Germany announced that GPT-4 will be released next week, and it will be a universal multimodal large-scale model.
  • On March 14, 2023, OpenAI launched GPT-4, and also open-sourced OpenAI Evals for automatic evaluation of AI model performance.
  • OpenAI released a technical report and System Card, directly upgraded ChatGPT to the GPT-4 version, and also opened the GPT-4 API.
  • After the release of GPT-4, Microsoft’s marketing director said that the previous new Bing preview version has used the GPT-4 model.

Rumors Related to GPT-4

Training the model with 100 trillion parameters: Sam Altman has stated this information to be “complete nonsense”.

GPT-4 Function

GPT-4 Enhanced Features

  • Give you a more accurate response.
  • Text input limit upgraded to 25,000 characters.
  • Diversified styles, able to generate lyrics, creative text, etc.

New Features Added to GPT-4

  • Superior Academic Ability: GPT-4 performs outstandingly on a variety of professional tests and academic benchmarks, on par with humans.
  • Excellent Image Recognition Ability: You can ask questions with text and images, and GPT-4 will give you detailed answers, as if a real human is talking to you.
  • GPT-4 API: If you want to access the GPT-4 API, you need to join the waiting list for access.

GPT-4 Currently Pending Features

Image Input: OpenAI is working with other companies to expand the availability of this function.

GPT-4 Limitations

  • OpenAI said that GPT-4 still generates wrong answers and makes inference errors, and is not completely reliable.
  • GPT-4 reflects a wide range of user values, and various biases may be present in its output.
  • GPT-4 generally lacks knowledge of events that occurred after the vast majority of data cutoff (September 2021), and does not learn from experience.
GPT-3.5 VS GPT-4

How to test and experience GPT-4

  1. To access the GPT-4 API (which uses the same ChatCompletions API as gpt-3.5-turbo), you can first register and wait for access, and OpenAI will invite some developers to experience it first.
  2. Once you have access, you can make plain text requests to the GPT-4 model (Note: image inputs are still in limited alpha).
Additionally, ChatGPT Plus subscribers can gain usage-capped GPT-4 access on OpenAI ChatGPT.

GPT-4 API Pricing

Plan Basic Pro
$0.03 / 1K prompt tokens
$0.06 / 1K completion tokens
$0.06 / 1K prompt tokens
$0.12 / 1K completion tokens
Functional for normal use: Output plain text (image input is still in limited alpha)
Limited access to 32,768 token context (about 50 pages of text) versions

The Development of GPT

  1. On June 11, 2018, OpenAI released a paper titled “Improving Language Understanding by Generative Pre-Training,” in which they introduced the Generative Pre-trained Transformer (GPT).
  2. On February 14, 2019, OpenAI first announced GPT-2.
  3. On May 28, 2020, OpenAI first mentioned GPT-3 in a paper.
  4. On November 30th, 2022, OpenAI fine-tuned its successor model to GPT-3, called GPT-3.5, to create a brand new application called ChatGPT, which is free for general users to use and rapidly became popular worldwide. 
  5. GPT-4 will be publicly announced at some point in 2023. 
  6. On February 8th, 2023, Microsoft released a new version of Bing based on GPT-4.
  7. On March 9th, 2023, the head of Microsoft Germany announced that GPT-4 will be released next week.
  8. On March 14, 2023, OpenAI officially released GPT-4.

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