Anthropic has launched Claude Opus 4.6, the latest version of its flagship AI model. The company said the model offers improved coding capabilities, longer reasoning memory and a new “agent teams” feature to improve AI collaboration.
According to a post on X on Claude's official handle, Opus 4.6 “plans more carefully, sustains agentic tasks for longer, operates reliably in massive codebases and catches its own mistakes.” The post added that Claude Opus 4.6 was the “first Opus-class model with 1M token context in beta.”
Anthropic said the new model improves on its predecessor by having better planning, stronger coding capabilities and the ability to continue agent-based tasks for extended periods of time. The company added that the model has improved code review and debugging capabilities to find and fix mistakes, and it is made to function more dependably across huge codebases. Additionally, it stated that Opus 4.6 offers the first beta 1 million token context window for models in the Opus class.
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“In Claude Code, you can now assemble agent teams to work on tasks together. On the API, Claude can use compaction to summarise its own context and perform longer-running tasks without bumping up against limits. We're also introducing adaptive thinking, where the model can pick up on contextual clues about how much to use its extended thinking, and new effort controls to give developers more control over intelligence, speed, and cost,” the company said.
The model is also built to support routine workplace functions, including financial analysis, research and the creation and management of documents, spreadsheets and presentations. The latest Opus version also brings deeper integration with PowerPoint, embedding Claude directly into the software through an accessible side panel. The move marks an upgrade from the earlier PowerPoint integration with the chatbot.
Previously, users could instruct Claude to create a PowerPoint presentation, but the file then had to be moved into PowerPoint separately for editing, Scott White, head of product at Anthropic, told TechCrunch. With the new integration, presentations can now be built and refined inside PowerPoint itself, with real-time assistance from Claude.
The launch marks Anthropic's first major model release of the year, following the rollout of Claude Opus 4.5, Claude Sonnet 4.5 and Claude Haiku 4.5 late last year.
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