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 218 Anthropic releases · Updated
- Anthropic News aigaengineer ·
Anthropic Releases Claude Opus 5 with Enhanced Performance and Efficiency
Anthropic has launched Claude Opus 5, a significant upgrade to its Opus tier model, offering improved performance in coding and professional tasks at a reduced cost compared to its predecessor. It sets new benchmarks on evaluations like Frontier-Bench and GDPval-AA, demonstrating enhanced efficiency for everyday use, particularly in software engineering and scientific research. Opus 5 is now the default model on Claude Max and the strongest on Claude Pro, benefiting users who require advanced capabilities for complex workloads.
feature patch - Claude Release Notes gahealthcare ·
Anthropic Claude adds self-serve HIPAA configuration
Anthropic now allows eligible administrators to manage HIPAA readiness for Claude Enterprise and the Claude Platform through a self-serve flow. This enables organizations to review the Business Associate Agreement (BAA), access an implementation guide, and enable HIPAA configuration directly within the platform. This update is relevant for organizations in the healthcare sector needing to ensure compliance with HIPAA regulations when using Claude.
feature announcement - Anthropic News aigaengineer ·
Anthropic Invests $10M CAD in Canadian AI Research and Startups
Anthropic is committing $10 million CAD to fund AI research and development at leading Canadian institutions and support startups. This investment aims to advance beneficial and responsible AI applications, building on Canada's historical contributions to AI research. The initiative includes partnerships with major AI institutes and provides Claude API credits to researchers and startups, alongside a report on Claude usage in Canada.
announcement feature - Claude Platform Release Notes aigaengineer ·
Claude Platform Updates: New Sonnet 5, API Key Expiration, Agent Memory
Anthropic has released Claude Sonnet 5 with a 1M token context window and updated pricing, introducing significant behavioral changes and a new tokenizer for Sonnet 5. The Claude Platform now supports API key expiration in the Console, enhancing security for administrators. Additionally, updates to agent memory handling and SDKs improve developer experience and tool integration across various models.
feature patch deprecation - Claude Code Releases sdkaigaengineer ·
Claude Code v2.1.206: Enhanced Commands and Agent Upgrades
Claude Code v2.1.206 introduces directory path suggestions for `/cd`, a `/doctor` check to trim `CLAUDE.md` files, and improved `/commit-push-pr` functionality. These updates enhance developer workflow and agent management, with background agents now upgrading seamlessly post-Claude Code updates. The release also addresses numerous bugs, including login failures and input responsiveness issues across various commands and server configurations.
patch - Claude Platform Release Notes aigaengineer ·
Claude Platform Updates: API Keys, New Models, and Tooling Enhancements
Anthropic has released updates to the Claude Platform, including new model versions like Claude Sonnet 5, Fable 5, and Mythos 5, and enhanced tooling for API keys and managed agents. These changes offer improved context windows, adaptive thinking, and more granular control over agent behavior and security. The updates affect developers building applications with Claude models, providing new capabilities and requiring some migration steps for certain features.
feature patch deprecation announcement - Claude Code Releases sdkaigaengineer ·
Claude in Chrome, Background Agents, and New Skills Go GA
Claude in Chrome is now generally available, bringing enhanced background agent notifications and new skills like `/dataviz` for chart design. Background agents have improved Git integration, committing and opening draft PRs upon completion. These updates are available to all users, with several fixes addressing session stability, UI rendering, and agent behavior across web, desktop, and VS Code environments.
feature patch - Anthropic News aigaengineer ·
Anthropic Fable 5 Model Access Restored After Export Control Lifted
Anthropic's Fable 5 and Mythos 5 models had their access restricted due to US export controls, which have now been lifted. Fable 5 will be globally available starting July 1st, with specific access terms for different plans and platforms. The company is also enhancing its safeguards and collaborating on an industry framework for AI model safety.
feature announcement - Claude Platform Release Notes aigapreviewengineer ·
Claude Platform Updates: New Models, Rate Limits, and SDK Enhancements
Anthropic has released Claude Sonnet 5 and Claude Fable 5, introducing new pricing and a 1M token context window. Rate limits have been standardized across models, and several older models are retired. The release also includes SDK updates, new tool capabilities, and enhancements to managed agents, affecting developers and architects working with the Claude API.
feature deprecation patch - Claude Platform Release Notes aigadeprecationengineer ·
Claude Sonnet 5 Launched with 1M Token Context, New Tokenizer
Anthropic has launched Claude Sonnet 5, featuring a 1 million token context window and a new tokenizer that increases token count by approximately 30%. This release impacts users migrating from Sonnet 4.6 due to changes in adaptive thinking and the removal of manual extended thinking. Sonnet 5 is available at introductory pricing until August 31, 2026, with Priority Tier support not included.
feature deprecation patch - Claude Platform Release Notes aigaengineer ·
Claude Platform Updates: New Models, Rate Limits, and Tooling
Anthropic has released several updates to the Claude Platform, including new models like Claude Fable 5 and Claude Opus 4.8, with enhanced capabilities such as larger context windows and improved tool support. Rate limits have been raised and consolidated across API tiers, benefiting most users. These changes affect developers using the Claude API, SDKs, and console, with some older models and features being deprecated.
feature patch deprecation announcement - Claude Code Releases sdkaigaengineer ·
Anthropic Claude Code v2.1.170: Fable 5, Session Fixes
Anthropic has released Claude Code version 2.1.170, introducing the new Mythos-class model Claude Fable 5, now safe for general use and exceeding previous model capabilities. This update also resolves an issue where sessions and transcripts were not saved or retrievable via `--resume` when launched from specific terminal environments. This patch is available now for all users.
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 - 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 Release Notes aigaengineer ·
Claude Opus 4.7 Generally Available
Anthropic's Claude Opus 4.7 model is now generally available, offering enhanced capabilities in software engineering and complex coding tasks. It also features improved vision for higher resolution image analysis. This update is relevant for developers and users working with advanced AI coding and visual processing.
feature announcement - Claude Release Notes aigaengineer ·
Claude Cowork now generally available on desktop
Claude Cowork is now generally available for macOS and Windows via the Claude Desktop app. This release expands functionality with new capabilities in the Analytics API for engagement and adoption data, usage analytics for Team and Enterprise plans, and OpenTelemetry support for monitoring activity. These updates are available now and cater to users of Claude Enterprise.
feature announcement
About Anthropic release tracking on ReleaseBytes
Anthropic ships Claude model releases, API updates and SDK versions on a rapid cadence. ReleaseBytes tracks the official Anthropic announcement channels and SDK changelogs, summarising each release and flagging model deprecations and breaking changes so teams building on Claude stay ahead of them.
Frequently asked questions
How often are Anthropic release notes updated on ReleaseBytes? ›
Continuously. ReleaseBytes monitors the official Anthropic release channels around the clock and publishes a plain-English summary of each announcement shortly after it lands.
What kinds of Anthropic changes does ReleaseBytes track? ›
New features, enhancements, bug fixes, security advisories, breaking changes, deprecations and end-of-life announcements. Every item is tagged by type so you can filter to just the changes that need action.
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Where does the Anthropic release data come from? ›
From the official sources: Anthropic news, Claude releases and SDK updates. Every item links back to the original vendor announcement.