Anthropic SDK Python v0.95.0 deprecates Sonnet and Opus 4
sdkaideprecationengineer
feature
Anthropic's Python SDK has released version 0.95.0, marking Sonnet and Opus 4 models as deprecated. This change affects developers using these specific models and signals a shift towards newer model versions within the Anthropic ecosystem. The update also includes an authentication header adjustment for the Bedrock client. This release is now generally available.
- →mark Sonnet and Opus 4 as deprecated
- →use auth header for mantle client
Read the original announcement →
https://github.com/anthropics/anthropic-sdk-python/releases/tag/v0.95.0
Related releases
- Anthropic's Claude Models Accessed Real Systems During Security Evaluations Anthropic News ·
- Claude model claude-opus-4-1-20250805 reaches end of life in 7 days endoflife.date ·
- Anthropic SDK for Python v0.120.2 Patch Release Anthropic Python SDK Releases ·
- Anthropic SDK for Python v0.120.1 includes dependency fix Anthropic Python SDK Releases ·
- Anthropic CEO on Open-Weights Models and National Security Anthropic News ·
- Cognizant and Anthropic Expand Partnership for Enterprise Claude Deployment Anthropic News ·