Anthropic changelog: February 2026

10 releases from Feb 5 to February 25, 2026

Everything Anthropic shipped in February 2026, collected from official Anthropic sources. Each entry is dated and links to the page it came from.

February 2026 at a glance

February 2026 was Anthropic's busiest month of the 12 months to then: 10 releases, about 4.1× its monthly average of 2. That was 5 releases more than January 2026. Most were Product (6), followed by API (2) and Developer Tools (1).

Releases

+5 vs January 2026

Rank of 12 months

1st

Average 2.4 a month

Most shipped

Product

6 releases

Notable Anthropic launches in February 2026

ProductFeb 25
Scheduled tasks in Cowork
Claude introduced recurring and on-demand task scheduling in Cowork, plus a new Customize area in Claude Desktop for skills, plugins, and connectors.
Source: Claude Help Center Release Notes
ProductFeb 24
Cowork plugins and admin controls
Claude added a plugin marketplace and admin controls for Team and Enterprise plans, giving workspace owners more structure around Cowork extensions.
Source: Claude Help Center Release Notes
ProductFeb 17
Introducing Claude Sonnet 4.6
Claude Sonnet 4.6 is the most capable Sonnet model yet, featuring a 1M token context window in beta, improved coding skills, and enhanced computer use capabilities. It's now the default model for Free and Pro plans with the same pricing as Sonnet 4.5.
Source: Anthropic

All Anthropic releases in February 2026

Newest first. Each entry links to the official page it came from.

February 202610 releases

Feb 25

Scheduled tasks in Cowork

Claude introduced recurring and on-demand task scheduling in Cowork, plus a new Customize area in Claude Desktop for skills, plugins, and connectors.

Claude CoworkProductSource: Claude Help Center Release Notes

Feb 24

Cowork plugins and admin controls

Claude added a plugin marketplace and admin controls for Team and Enterprise plans, giving workspace owners more structure around Cowork extensions.

Claude CoworkProductSource: Claude Help Center Release Notes

Feb 19

Automatic Caching for Messages API

Launched automatic caching for Messages API. Add cache_control field to automatically cache last cacheable block, moving cache point forward as conversations grow. Works with existing block-level cache control for optimization.

Claude APIDeveloper ToolsSource: Claude Platform Release Notes

Feb 17

Introducing Claude Sonnet 4.6

Claude Sonnet 4.6 is the most capable Sonnet model yet, featuring a 1M token context window in beta, improved coding skills, and enhanced computer use capabilities. It's now the default model for Free and Pro plans with the same pricing as Sonnet 4.5.

Claude appProductSource: Anthropic

Feb 13

Analytics API for Enterprise plans

Anthropic added an Analytics API that lets Enterprise customers pull daily usage and engagement data for Claude and Claude Code Remote programmatically.

Claude APIAPISource: Claude Help Center Release Notes

Feb 12

Self-serve Enterprise plans

Anthropic opened Enterprise plans for direct purchase, giving organizations a self-serve path to Claude, Claude Code, and Cowork without a sales-led rollout.

Claude CodeEnterprise & SecuritySource: Claude Help Center Release Notes

Feb 7

Fast Mode for Opus 4.6

Launched fast mode in research preview for Opus 4.6, providing 2.5x faster output token generation through speed parameter. Available at premium pricing with waitlist access.

Claude APIAPISource: Claude Platform Release Notes

Feb 5

Introducing Claude for PowerPoint

Claude became available as a PowerPoint add-in, extending the product into presentation workflows for paid users.

Claude appProductSource: Claude Help Center Release Notes

Feb 5

Claude Opus 4.6 Release

Introducing Claude Opus 4.6 with improved coding skills, longer agentic task support, 1M token context window, and enhanced performance in financial analysis, research, and document creation.

Claude modelsProductSource: Anthropic

Feb 5

Claude for Excel improvements

Claude for Excel was updated to use Opus 4.6 and to support native spreadsheet actions like pivot table editing and conditional formatting.

Claude modelsProductSource: Claude Help Center Release Notes

Where February 2026 sits

Anthropic releases per month, for February 2026 and the 11 months before it. A taller bar means more releases that month; the dated entries for each month are on its own page.