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Releases.
Anthropic

Anthropic, July 2026 new features

29 releases · 2 products · 3 GA · 1 Preview · 6 Beta · 3 Deprecation

Jun 2026Aug 2026
DateRelease
Jul 24Claude API fallbacks parameter adds a default mode for recommended fallbacks
Claude PlatformBeta
Jul 24Claude Opus 5 launched
Claude appsGA
Jul 24Claude Opus 5 launches with a 1M token context window at $5 / $25 per MTok
Claude PlatformGA
Jul 24Claude Opus 5 only allows disabling thinking at effort high or below
Claude PlatformUpdate
Jul 24Effort is the primary control for Claude Opus 5
Claude PlatformUpdate
Jul 24Fast mode removed for Claude Opus 4.7
Claude PlatformDeprecation
Jul 24Mid-conversation tool changes enter beta on the Claude API
Claude PlatformBeta
Jul 22Claude Managed Agents agent updates no longer require a version field
Claude PlatformUpdate
Jul 22Claude Managed Agents agents accept an effort level in model configuration
Claude PlatformUpdate
Jul 22Claude Managed Agents sessions can be seeded with initial events
Claude PlatformUpdate
Jul 22Claude Managed Agents thread event streams support event deltas
Claude PlatformUpdate
Jul 22Claude Managed Agents webhooks cover environment and memory store lifecycle
Claude PlatformUpdate
Jul 17Claude experimental prompt tools APIs retire with the Workbench on August 17, 2026
Claude PlatformDeprecation
Jul 17Legacy Claude Console Workbench sunsets on August 17, 2026
Claude PlatformDeprecation
Jul 15Mid-conversation system messages available on Claude Fable 5, Mythos 5 and Opus 4.8
Claude PlatformGA
Jul 14Admin API adds Claude Enterprise user management in beta
Claude PlatformBeta
Jul 14Self-serve HIPAA configuration for Claude Enterprise and the Claude API
Claude PlatformUpdate
Jul 10Claude Access Transparency docs expand coverage of cmek_preserve events
Claude PlatformUpdate
Jul 10Dreams research preview adds Claude Fable 5 and Claude Sonnet 5
Claude PlatformPreview
Jul 10Memory reworked into individual categorized entries
Claude appsUpdate
Jul 9Monthly recap in Settings > Reflect (beta), plus break reminders and quiet hours
Claude appsBeta
Jul 8Claude Console API keys and Admin API keys can now expire
Claude PlatformUpdate
Jul 7Claude Cowork available on web and mobile, with remote sessions in beta
Claude appsUpdate
Jul 7Write tools for the Microsoft 365 connector (email, calendar, OneDrive, SharePoint)
Claude appsUpdate
Jul 2Claude SDKs switch memory store calls to the agent-memory-2026-07-22 header
Claude PlatformUpdate
Jul 2agent-memory-2026-07-22 beta header changes memory store listing behavior
Claude PlatformBeta
Jul 1Access to Claude Fable 5 and Claude Mythos 5 is restored
Claude PlatformUpdate
Jul 1Access to Claude Fable 5 and Claude Mythos 5 restored
Claude appsUpdate
Jul 1Model entitlements for Enterprise plans (beta)
Claude appsBeta

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