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
- Claude Release Notes aiengineer ·
Claude Tag for Slack Task Delegation Released
Team and Enterprise plans can now use Claude Tag within Slack conversations to delegate tasks. This feature allows users to assign work to Claude without interrupting their focus on other activities. Further details are available in a dedicated blog post announcing the launch.
feature announcement - Anthropic News aiengineer ·
Anthropic Introduces Claude Tag for Collaborative AI in Slack
Anthropic has launched Claude Tag, a new feature allowing teams to integrate Claude as a collaborative AI member within Slack channels. This enables users to delegate tasks, leverage connected tools and data, and benefit from Claude's contextual memory and proactive updates, enhancing team productivity. Claude Tag is available today in beta for Claude Enterprise and Team customers, offering a more integrated and asynchronous AI collaboration experience.
feature announcement - Claude Code Releases sdkaideprecationengineer ·
Claude Code v2.1.183: Enhanced Safety and UX Improvements
This release of Claude Code includes significant safety enhancements, particularly around destructive Git and infrastructure commands, and improves the user experience with clearer model warnings and streamlined configuration. It addresses several bugs impacting subagent performance, terminal interaction, and task handling. These updates are primarily for developers and engineers interacting with Claude Code for coding and infrastructure tasks.
patch deprecation - Anthropic News ai ·
Anthropic Opens Seoul Office, Forges New Korean AI Partnerships
Anthropic has opened a new office in Seoul, South Korea, signaling a deeper commitment to the region's burgeoning AI ecosystem. This expansion is accompanied by new partnerships with Korean enterprises, startups, and researchers, aiming to accelerate the deployment and development of AI technologies like Claude. These collaborations span various sectors, from cloud and gaming to energy and IT services, and extend to academic research and non-profit initiatives, highlighting the broad impact and diverse applications of Anthropic's AI models.
announcement feature - Claude Platform Release Notes ai ·
Claude Platform Updates: New Models, Tools, and Cloud Support
Anthropic has released Claude Fable 5 and Claude Opus 4.8, offering enhanced capabilities like 1M token context windows and improved reasoning. New tool versions for code execution and web search, along with expanded support for Claude Platform on AWS, cater to developers and researchers. The release also includes deprecations of older models like Sonnet 4 and Opus 4, signaling a push towards newer, more powerful versions.
feature deprecation announcement - Anthropic News aiengineerfinance ·
Anthropic and TCS Partner to Bring Claude AI to Regulated Industries
Anthropic and Tata Consultancy Services (TCS) are partnering to bring Claude AI to regulated industries like finance and healthcare. TCS will deploy Claude internally to 50,000 employees and build Claude-powered products for clients, aiming to enhance accuracy and compliance. This collaboration will initially focus on industry-specific offerings such as claims processing and lending advisory, with work already underway in areas like customer experience improvement and software engineering productivity.
announcement feature - Anthropic News ai ·
Anthropic Public Record Survey Reveals Public Views on AI
Anthropic's first Public Record survey of nearly 52,000 Americans highlights significant public hopes for AI in areas like disease cure and support for people with disabilities, alongside widespread fears of job loss and cognitive dependency. The survey also indicates strong support for government regulation of AI, particularly concerning privacy, child safety, and liability. These findings are based on a November-December 2025 survey and aim to inform Anthropic's approach to AI development, building on previous user studies.
announcement - Anthropic News aigovernment ·
Anthropic suspends Fable 5 and Mythos 5 due to US government directive
Anthropic is suspending access to its Fable 5 and Mythos 5 models for all customers in response to a US government export control directive. The government cited national security concerns, believing a method to bypass the model's safeguards has been discovered. This action affects all users, including foreign national Anthropic employees, though other Anthropic models remain unaffected. Anthropic disagrees with the severity of the finding and is working to restore access.
announcement breaking - Anthropic News aiengineer ·
Anthropic and DXC Technology form global alliance to integrate Claude
Anthropic is partnering with DXC Technology to integrate its Claude AI model into systems used by major banks, airlines, and other regulated industries. DXC will train thousands of engineers to deploy Claude within customer environments, leveraging the AI for modernization, cybersecurity, and application services. This alliance aims to bring Claude's capabilities to mission-critical systems, with DXC having already integrated Claude into its own operations and AI-native orchestration platform, DXC OASIS.
announcement feature - Anthropic News aiengineer ·
Anthropic Launches Claude Corps AI Fellowship Program
Anthropic is launching Claude Corps, a national fellowship program that will train 1,000 early-career individuals in AI skills and place them at nonprofits for a year. This initiative aims to extend the benefits of AI to underserved communities and provide fellows with valuable career skills, backed by an initial $150 million investment. The program partners with CodePath for fellowship management and Social Finance for evaluation, and will support 400 nonprofits over the next year.
announcement feature - Claude Platform Release Notes ai ·
Claude Platform Updates: New Models, Tooling, and AWS Integration
Anthropic has released updates to its Claude Platform, including new models like Claude Fable 5 and Claude Opus 4.8, offering enhanced capabilities and larger context windows. The platform also introduces new tool functionalities, improved agent orchestration on AWS, and deprecates older models, requiring users to migrate to newer versions. These changes affect developers and organizations using the Claude API and its associated client SDKs and console.
feature deprecation patch - Claude Release Notes ai ·
Anthropic Launches Claude Fable 5 Model
Anthropic has released Claude Fable 5, a Mythos-class model that is now safe for general use. This launch provides a new, more broadly applicable AI model for users. Further details are available in a related blog post.
feature announcement - Claude Platform Release Notes aipreviewengineer ·
Anthropic Launches Claude Fable 5 and Mythos 5 with 1M Token Context
Anthropic has released Claude Fable 5, their most capable widely available model, and Claude Mythos 5 for Project Glasswing participants. Both models feature a 1 million token context window and enhanced adaptive thinking capabilities. These updates impact users interacting with the Claude API, particularly concerning tokenizer changes, safety classifier responses, and data retention policies for Fable 5.
feature announcement - Anthropic News ai ·
Anthropic Launches Claude Fable 5 and Mythos 5 AI Models
Anthropic has released Claude Fable 5, a highly capable model for general use with safety safeguards, and Claude Mythos 5, a version with lifted safeguards for cybersecurity professionals. Fable 5 excels in software engineering, knowledge work, and vision tasks, while Mythos 5 demonstrates advanced capabilities in drug design and scientific hypothesis generation. Both models are priced significantly lower than their predecessors and are available with different access models.
feature announcement - Claude Platform Release Notes aideprecation ·
Claude Platform Updates: New Models, Deprecations, and Tool Enhancements
Anthropic has released new flagship models, Claude Fable 5 and Claude Opus 4.8, featuring larger context windows and enhanced adaptive thinking. The company is also retiring older models like Claude Sonnet 4 and Opus 4.1, recommending upgrades. Several tools and platform features, including code execution, web search, and managed agents, have received updates and expanded availability on AWS, impacting developers and researchers using the Claude API.
feature deprecation patch - Anthropic News ·
AI-enabled cyber threats analysis by Anthropic's Frontier Red Team
Anthropic's Frontier Red Team analyzed a year's worth of AI-enabled cyber threats, mapping attacker techniques to the MITRE ATT&CK framework. The analysis reveals that malicious actors are increasingly using AI for complex, autonomous operations, challenging traditional risk assessment methods. These findings are informing the development of safeguards for Anthropic's models and discussions with MITRE to evolve the ATT&CK framework.
announcement - Anthropic News ai ·
Anthropic Launches Claude Partner Network Services Track and Partner Hub
Anthropic is expanding its Claude Partner Network by introducing a Services Track with tiered levels and a Partner Hub portal. These initiatives aim to provide customers with clearer visibility into partner capabilities and qualifications for deploying AI in production. The program requires partners to meet specific criteria for certified individuals, deployed customers, and public endorsements, ensuring a consistent standard for firms of all sizes.
announcement feature - Anthropic News aisecurityengineer ·
Anthropic Expands Project Glasswing to 150 New Organizations
Anthropic is expanding Project Glasswing, an initiative to secure critical software, to approximately 150 new organizations across over 15 countries. This expansion aims to leverage AI, specifically Claude Mythos Preview, to scan codebases for vulnerabilities and promote more secure software development practices in the face of increasingly powerful AI models. The program now includes organizations in diverse sectors like power, water, and healthcare, and emphasizes the need for robust safeguards as AI capabilities advance. New partners will undergo security reviews before gaining access.
announcement feature - 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 - 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
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.