Claude Sonnet 4.5

Model ● Covered in 6 stories + Follow

Claude Sonnet 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.

Updated 5 August 2026

Specifications

No specifications recorded yet.

Latest developments

Research publication: Cursor & Anthropic The Neuron · 2 months ago · 0 Deployment: Couchbase & Amazon Bedrock AWS · 3 months ago · 7 Feature update: Amazon Nova Act & Amazon AWS · 3 months ago · 6 Market development: DSGym & Claude Sonnet 4.5 Together AI · 9 months ago · 6 Market development: Claude & ChatGPT One Useful Thing · 1 year ago · 5 Market development: OpenAI & Claude Sonnet 4.5 One Useful Thing · 1 year ago · 6

Timeline

Month Quarter Year

2026

Research publication: Alabama Office of the Attorney General & Anthropic Research publication

Deployment: Capella iQ & Couchbase Deployment

Feature update: Amazon & Amazon Nova Act Feature update

28 Aug Research publication: Cursor & Anthropic
20 Jul Deployment: Couchbase & Amazon Bedrock
14 Jul Feature update: Amazon Nova Act & Amazon
26 Jan Market development: DSGym & Claude Sonnet 4.5

2025

19 Oct Market development: Claude & ChatGPT
29 Sep Market development: OpenAI & Claude Sonnet 4.5

Relationships

Products & technology

Anthropic develops this model · 4 sources
Capella iQ integrated with this model · 1 source
Cursor integrated with this model · 1 source

Competition

OpenAI competes with this model · 1 source