Message Batches API Max Tokens Increase
Raised max_tokens cap to 300k on Message Batches API for Opus 4.6/Sonnet 4.6
Anthropic changelog: March 2026
12 releases from to
Everything Anthropic shipped in March 2026, collected from official Anthropic sources. Each entry is dated and links to the page it came from.
March 2026 at a glance
March 2026 was Anthropic's busiest month of the 12 months to then: 12 releases, about 3.5× its monthly average of 3. That was 2 releases more than February 2026. Most were Developer Tools (5), followed by Product (4) and API (1).
Releases
12
+2 vs February 2026
Rank of 12 months
1st
Average 3.4 a month
Most shipped
Developer Tools
5 releases
Notable Anthropic launches in March 2026
- Product
Interactive apps in Claude for iOS and Android
The Claude mobile app can now connect to fully interactive apps. Pull up live charts, sketch diagrams, and build shareable assets, all rendered visually right in your conversation.
Source: Claude Help Center Release Notes - Product
Control Cowork from your phone with a persistent thread
Claude added a persistent Cowork thread for Pro and Max users so tasks can continue from mobile or desktop without losing context.
Source: Claude Help Center Release Notes - Product
Claude creates interactive charts, diagrams and visualizations
Claude can now create custom charts, diagrams and other visualizations in-line in its responses.
Source: Claude Help Center Release Notes
All Anthropic releases in March 2026
Newest first. Each entry links to the official page it came from.
March 202612 releases
Interactive apps in Claude for iOS and Android
The Claude mobile app can now connect to fully interactive apps. Pull up live charts, sketch diagrams, and build shareable assets, all rendered visually right in your conversation.
Computer use research preview in Cowork and Claude Code + Dispatch improvements
Users on Pro and Max plans can give Claude access to computer use. Claude can open files, run dev tools, point, click, and navigate to what’s on your screen to perform tasks itself-with no setup required. Claude’s new computer use capability makes Dispatch even more helpful by a…
Models API Capability Fields Addition
Added model capability fields to Models API for better feature discovery
Control Cowork from your phone with a persistent thread
Claude added a persistent Cowork thread for Pro and Max users so tasks can continue from mobile or desktop without losing context.
Display Field for Extended Thinking
Launched display field for extended thinking, allowing omission of thinking content from responses for faster streaming. Set thinking.display: "omitted" to receive thinking blocks with an empty thinking field and preserved signature for multi-turn continuity. Billing remains unc…
1M Token Context Window Launch
1M token context window launched for Claude Opus 4.6 and Sonnet 4.6 at standard pricing. Requests over 200k tokens work automatically without beta headers. Media limit increased to 600 images/PDFs per request with 1M context window.
Claude Partner Network Launch with $100 Million Investment
Anthropic launches the Claude Partner Network with a $100 million investment to support enterprise adoption of Claude, including training, technical certification, and joint market development.
Claude creates interactive charts, diagrams and visualizations
Claude can now create custom charts, diagrams and other visualizations in-line in its responses.
Work across Excel and PowerPoint
We’ve improved our Claude for Excel and Claude for PowerPoint add-ins. They can now share the full context of your conversation, so every action Claude takes in one application is informed by everything that’s happened in the other. We also added support for skills in the add-in…
Partnering with Mozilla to improve Firefox’s security
Collaboration with Mozilla to identify 22 vulnerabilities in Firefox using Claude Opus 4.6, including 14 high-severity issues.
Memory for free users
Claude made chat memory available to free users so prior context can carry into new conversations without a paid plan.
Where March 2026 sits
Anthropic releases per month, for March 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.
Other companies in March 2026
30 of the companies we track shipped in March 2026; Anthropic ranks 6th by number of releases.
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