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GBT 4.5 and 5 Development Insights

Apr 30, 2025

Key Points on GBT 4.5 and GBT 5 Developments

Introduction

  • Sam Alman teased the release of GBT 4.5 weeks before its public release.
  • Promised that GBT 5 would follow in a few months.
  • GBT 5 is anticipated to be a significant update, changing how Cad GBT is used.

GBT 4.5 Insights

  • GBT 4.5, codenamed 'Orion', is the last non-chain of thought model.
  • More conversational and emotionally aware compared to GBT 4.0.
  • Broader knowledge base and less likely to hallucinate facts.
  • Not a major frontier advance in AI, but a stepping stone to GBT 5.

GBT 5 Expectations

  • Aims to unify O series and GPT series models.
  • Designed to automatically switch between quick responses and detailed reasoning.
  • Incorporates advanced reasoning modules.
  • Expected to handle text, images, audio, and potentially video.

Development Challenges

  • Development faced delays and budget overruns.
  • GBT 5 training is costly, with some runs costing $500 million.
  • Initial prototypes were only slightly better than GBT 4.

Training and Data Issues

  • GBT 5 requires more high-quality data than currently available on the internet.
  • OpenAI explored various new data sources and even hired experts to create fresh training materials.

Release and Features

  • GBT 5 could arrive as soon as mid-2025.
  • Promised to be a major leap, potentially 10 times larger in some aspects compared to GBT 4.
  • Expected to include a mixture of experts architecture for specialized mini-models.

Practical Implications and Advancements

  • Could integrate with external calendars and coordinate projects autonomously.
  • Persistent memory to become more reliable and personal.
  • Will have a significant impact on industries such as education, coding, and entertainment.

Comparisons and Competitions

  • Other companies like Google, Anthropic, and XAI are also advancing in the AI space.
  • GBT 5 is OpenAI's answer to the growing competition.

Conclusion

  • GBT 5 is expected to elevate AI integration into daily life significantly.
  • The anticipation for its release is high, with the potential to change AI interactions.

These notes summarize the developments, expectations, and challenges surrounding the releases of GBT 4.5 and GBT 5, highlighting their impact on the AI landscape and user interaction.

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