GPT-4.5

Model ● Covered in 4 stories + Follow

GPT-4.5 is tracked in TLDRocket’s model dataset. Explore the recorded developments, relationships and supporting evidence below. Coverage reflects our monitored sources and may be incomplete.

Specifications

No specifications recorded yet.

Latest developments

Deployment: OpenAI & GPT-4.5 OpenAI Developer Community · 1 month ago · 0 Other: Claude & GPT-4.5 The Pragmatic Engineer · 3 months ago · 6 Market development: OpenAI & o3 Ahead of AI · 1 year ago · 10 Market development: OpenAI & GPT-4.5 OpenAI · 1 year ago · 5

Timeline

Month Quarter Year

September 2026

Deployment: Amazon & Anthropic Deployment

29 Sep Deployment: OpenAI & GPT-4.5

July 2026

Other: Antithesis & Claude Other

24 Jul Other: Claude & GPT-4.5

April 2025

19 Apr Market development: OpenAI & o3

February 2025

27 Feb Market development: OpenAI & GPT-4.5

Relationships

Products & technology

OpenAI develops this model · 2 sources