Claude adds interactive charts and diagrams in chat for all plans

• Anthropic says Claude can now build "interactive charts and diagrams" directly in chat, and the feature is in beta on every plan, including free launch post.
• The new output is more than static image generation: demos from Anthropic and testers show clickable charts, editable chart types, and diagrams that update inside the conversation tester demo Venn demo.
• Early practitioner reactions frame this as a generative UI step, with one builder saying the feature is "in fact powered by MCP" and another detailing HTML and SVG rendered live in chat MCP thread HTML SVG claim.
• Usage is already stretching beyond business charts: one demo built an interactive Cessna 172 instrument panel in chat, suggesting the same surface can host lightweight simulators and educational widgets instrument panel demo.

Anthropic's launch post says Claude can now build interactive charts and diagrams "directly in the chat," with beta access rolling out across all tiers. That matters because the company is exposing a richer output surface without gating it behind paid plans or a separate app flow; the linked Claude product page also now lists data visualization among core capabilities Claude product page.

The product behavior shown so far is interactive rather than screenshot-based. TestingCatalog's tester demo shows a "Revenue by Quarter" chart with a visible "Chart Type" control, while Wes Roth's Venn demo captures Claude generating both a line chart and a Venn diagram that change as the prompt is edited. In practice, that turns the assistant from a text-only explainer into a lightweight visualization runtime inside the same chat session.

One technical readout from AlphaSignalAI's HTML SVG claim says the visuals are generated with HTML and SVG and rendered live in the conversation. That implementation detail is not stated by Anthropic in the primary launch post, so it should be treated as an external observation, but it fits what the demos show: selectable chart elements, layout changes, and diagram outputs that behave like embedded UI rather than exported media.

Developers immediately connected the release to broader agentic UI workflows. Omar Sar0 wrote that the feature is "in fact powered by MCP" in the context of an orchestrator already producing Excalidraw diagrams and Remotion clips MCP thread. Separately, AiBreakfast's instrument panel demo Cessna panel demo shows the same chat surface generating an interactive control panel, "not perfect by any means" but already usable enough to hint at dashboards, teaching aids, and other small domain-specific interfaces produced from prompts instead of hand-built front ends.