Anthropic releases

Anthropic news, Claude releases and SDK updates. New features, breaking changes, security advisories and deprecations - each summarised in plain English and updated continuously.

Tracking 125 Anthropic releases · Updated

  • Anthropic News aiengineerfinance ·

    Anthropic Confidentially Submits Draft S-1 to SEC for Proposed IPO

    Anthropic has confidentially submitted a draft S-1 registration statement to the SEC for a proposed initial public offering, contingent on market conditions. This filing provides the option to go public following the SEC's review, with share numbers and pricing yet to be determined. The announcement is a notice under Rule 135 and is not an offer to sell securities.

    announcement
  • Anthropic Python SDK Releases sdkaiengineer ·

    Anthropic SDK Python v0.105.2 Release

    Anthropic has released version 0.105.2 of its Python SDK. This patch update contains minor adjustments and improvements to the SDK. Users are encouraged to update to the latest version for the most stable experience.

    patch
  • Anthropic Python SDK Releases sdkaiengineer ·

    Anthropic SDK Python v0.105.1: Trusted Publishing for PyPI

    The Anthropic SDK for Python has released version 0.105.1. This update primarily focuses on internal improvements by adopting Trusted Publishing for PyPI releases. This change aims to streamline and secure the deployment process for library maintainers. The update is available now and applies to all users of the Python SDK.

    patch
  • Claude Platform Release Notes ai ·

    Claude Platform Updates: New Models, Tools, and AWS Integration

    Anthropic has released new models like Claude Fable 5 and Claude Opus 4.8, featuring expanded context windows and improved adaptive thinking. Updates to tools like the code execution and web search tools enhance agentic workflows. Key features include mid-conversation system messages and expanded Claude Managed Agents capabilities on AWS. These updates are relevant to developers and architects integrating Claude into applications.

    feature deprecation patch
  • Anthropic Python SDK Releases sdkai ·

    Anthropic SDK Python v0.105.0 adds Claude 4 Opus support and file size caps

    Anthropic's Python SDK has been updated to version 0.105.0, introducing support for the Claude 4 Opus model and allowing for custom file size caps. This release also includes enhancements to mid-conversation system blocks and detailed token usage. These updates are available now for developers integrating Anthropic's models into their Python applications.

    feature patch
  • Claude Platform Release Notes aigapreviewdeprecation ·

    Claude Platform Updates: Opus 4.8, Mid-conversation System Messages, and Tooling

    Anthropic has launched Claude Opus 4.8, their most capable generally available model, featuring a 1M token context window and enhanced reasoning capabilities. The release also introduces mid-conversation system messages and publicly documents the `stop_details` field for refusal responses, benefiting developers integrating Claude into applications. Opus 4.8 is now available via Claude API, Amazon Bedrock, and Vertex AI.

    feature patch
  • Anthropic News ai ·

    Anthropic Releases Claude Opus 4.8 with Enhanced Coding and Agentic Capabilities

    Anthropic has launched Claude Opus 4.8, an upgraded version of its Opus model, featuring significant performance improvements in coding, agentic tasks, and long-running work. This release includes new features like effort control for users and dynamic workflows in Claude Code for large-scale problem-solving. The model is available today and demonstrates enhanced judgment, reliability, and efficiency across various benchmarks, making it a more effective collaborator for professional and engineering workloads.

    feature patch
  • Claude Release Notes aigaengineer ·

    Claude Opus 4.8 released with improved coding and reasoning

    Anthropic has launched Claude Opus 4.8, an upgraded version of its powerful language model. This new iteration demonstrates enhanced capabilities in coding, agentic tasks, reasoning, and practical knowledge work compared to its predecessor, Opus 4.7. The update is available now and offers significant improvements for users engaged in complex problem-solving and development tasks.

    feature patch
  • Claude Platform Release Notes aipreviewmedia ·

    Claude Platform Updates: New Models, Tools, and AWS Integration

    Anthropic has released significant updates to its Claude Platform, including new models like Claude Fable 5 and Claude Opus 4.8, which offer larger context windows and improved capabilities. Enhancements to tools like code execution and web search, alongside new features like mid-conversation system messages and improved refusal handling, provide developers with more control and efficiency. The platform also expands its availability with Claude Platform on AWS and self-hosted sandbox options, broadening access and integration for enterprise users.

    feature deprecation announcement patch
  • Anthropic News ·

    Anthropic Co-founder Discusses AI's Societal Impact at Vatican Event

    Anthropic co-founder Chris Olah delivered remarks at the Vatican on Pope Leo XIV's encyclical regarding AI's societal impact. Olah emphasized the need for external scrutiny of AI labs due to inherent incentives and highlighted three key areas for discernment: global equity in AI benefits, fostering human flourishing alongside AI, and the mysterious nature of AI models. The event signals a growing collaboration between AI developers and broader societal institutions to guide AI's development.

    announcement
  • Anthropic Python SDK Releases sdkaipreviewengineermedia ·

    Anthropic SDK Python v0.104.1 patches streaming bug

    The Anthropic SDK for Python has released version 0.104.1, addressing a bug in its streaming functionality. This patch ensures that encrypted content is correctly handled during beta compaction, preventing data loss for users relying on this feature. The update is available now for all Python developers using the SDK.

    patch
  • Claude Release Notes aisecuritycomplianceengineer ·

    Claude adds compliance API integrations

    Anthropic has introduced Claude Compliance API integrations with security and compliance tools. This allows IT and security teams to govern Claude usage on their platform similarly to other applications. Documentation is available for getting started.

    feature announcement
  • Anthropic Python SDK Releases sdkaiengineer ·

    Anthropic SDK Python v0.103.1 fixes runner bug

    Anthropic's Python SDK has released version 0.103.1, addressing a bug in the SessionToolRunner. This patch ensures that the runner only processes tool calls it is responsible for, preventing potential issues with shared tool execution contexts. The fix is available now for users of the SDK.

    patch
  • Anthropic Python SDK Releases sdkaipreviewengineer ·

    Anthropic SDK Python v0.102.0 adds managed agents and cache diagnostics

    Anthropic's Python SDK has been updated to version 0.102.0, introducing new types for BetaManagedAgentsSearchResultBlock and support for cache diagnostics. These features enhance the SDK's capabilities for developers working with managed agents and allow for better monitoring of caching mechanisms. The update is available now for all users of the SDK.

    feature patch
  • Anthropic Python SDK Releases sdkai ·

    Anthropic SDK for Python v0.101.0 adds AWS client

    The Anthropic SDK for Python has released version 0.101.0, introducing a new AWS client for accessing Claude models on AWS. This update also includes a fix for a file type error message and several chore updates related to examples. The new AWS client is available immediately for users leveraging the Anthropic platform on Amazon Web Services.

    feature patch
  • Anthropic Python SDK Releases sdkaiengineer ·

    Anthropic SDK Python v0.100.0 adds Managed Agents support

    Anthropic's Python SDK has been updated to version 0.100.0, introducing significant new features for Managed Agents. This release enables multi-agent capabilities, outcomes, webhooks, and vault validation, enhancing the SDK's flexibility for complex AI workflows. It also includes an adjustment to webhook configuration.

    feature patch
  • Anthropic Python SDK Releases sdkai ·

    Anthropic SDK Python v0.98.1 Fixes Example Typo

    Anthropic's Python SDK has released version 0.98.1, primarily addressing a minor typo within its example documentation. This patch aims to improve code clarity and prevent potential confusion for developers using the SDK. The change is a small, non-breaking update for all users of the Python SDK.

    patch
  • Anthropic Python SDK Releases sdkaimedia ·

    Anthropic SDK Python v0.98.0: API, Client, and Streaming Improvements

    This release of the Anthropic SDK for Python (v0.98.0) introduces enhancements to Managed Agents APIs and adds support for Workload Identity Federation, interactive OAuth, and auth profiles in the client. It also fixes an issue with streaming stop details and corrects field name formatting for multipart file arrays. These changes benefit developers integrating Anthropic's models into their Python applications by improving agent management and authentication flexibility.

    feature patch
  • Anthropic Python SDK Releases sdkaipreviewengineer ·

    Anthropic SDK Python v0.97.0: CMA Memory Beta, API Fixes, Performance

    Anthropic's Python SDK has been updated to version 0.97.0, introducing the public beta of CMA Memory. This release also includes fixes for API specification errors and restores missing features, alongside performance optimizations for multipart requests. These changes primarily affect developers using the SDK for integration with Anthropic's AI models, with the CMA Memory feature available in public beta.

    feature patch
  • Claude Release Notes ai ·

    Claude Design: Visual Output Collaboration with Claude

    Anthropic has launched Claude Design, a new Labs product enabling collaboration with Claude for visual outputs. This tool allows users to create designs, prototypes, slides, and one-pagers. It is available now and integrates with Claude Opus 4.7.

    feature announcement