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#37ffe1c6
Topic
MODELS & API
Source
Anthropic Python SDK
Published
2026-05-28 16:52:38
Importance
★ 7/10 — radar 70
`anthropic-sdk-python` `v0.105.0` adds `claude-opus-4-8` support
FIG-0371:1

`anthropic-sdk-python` `v0.105.0` adds `claude-opus-4-8` support

Python clients can now call the new Opus variant and inspect richer token details. Worth upgrading before wiring new Claude features into production.

[ KEY POINTS ]
  1. claude-opus-4-8 is now supported in the official Python SDK, removing manual model-name workarounds.
  2. Mid-conversation system blocks landed in the API layer, useful for agent flows that need runtime instruction changes.
  3. usage.output_tokens_details exposes finer output-token accounting, making cost/debug dashboards easier to build.
  4. Custom file size caps are supported, so upload limits can be enforced closer to the SDK boundary.
Originalgithub.com/anthropics/anthropic-sdk-python/releases/tag/v0.105.0Read original →

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