Stronger coding and debugging
Anthropic says Opus 4.6 improves planning, sustains agentic tasks for longer, and works more reliably in larger codebases, with stronger code review and debugging performance.
Claude Opus 4.6
Claude Opus 4.6 is Anthropic's Opus-class AI model for agentic coding, search, finance, and knowledge work. It is available on claude.ai, through the API, and on major cloud platforms.
Overview
Claude Opus 4.6 is Anthropic's latest Opus-class model, positioned as its smartest model for agentic coding, computer use, tool use, search, and finance. The launch announcement says it improves on Opus 4.5 in coding, planning, code review, debugging, and longer-running tasks, while also extending to everyday knowledge work.
The model is available on claude.ai, via Anthropic's API, and on major cloud platforms. Anthropic also says pricing on the API remains $5 per million input tokens and $25 per million output tokens, and the pricing page shows Claude products across web, iOS, Android, desktop, and team and enterprise workflows.
Core capabilities
Agentic search and tool use
The model is positioned for agentic search and tool use, with the launch page calling out industry-leading performance on hard, multi-step search tasks.
Knowledge-work tasks
Opus 4.6 can handle financial analyses, research, and the creation or use of documents, spreadsheets, and presentations, extending beyond coding workflows.
Long-context work
Anthropic says the model has a 1M token context window in beta and can use compaction on the API to summarize its own context for longer sessions.
Developer controls
The launch announcement introduces adaptive thinking and new effort controls so developers can balance intelligence, speed, and cost more explicitly.
Multi-agent and platform support
In Claude Code, teams can assemble agent teams to work on tasks together, and Claude can run as part of broader workflows on Claude.ai, the API, and major cloud platforms.
Practical use cases
Agentic software development
Use Opus 4.6 when a coding task needs planning across a larger codebase, multi-file edits, or more careful debugging and review than a basic autocomplete workflow can provide.
Research and analysis
Use the model for research, financial analysis, and other knowledge-work tasks that benefit from long context, tool use, and structured reasoning across documents or data.
Deep agentic search
Use it when a task requires searching for hard-to-find information online or working through multi-step browser-like workflows with tools.
Team coding workflows
Use Opus 4.6 in Claude Code or related workflows when you want autonomous execution across development tasks, including running tests and iterating on failures.
Document and presentation work
Use it for documents, spreadsheets, and presentations when a broader assistant needs to help generate or manipulate working business artifacts.
Pros and Cons
Pros
- Improves coding quality, planning, debugging, and code review over the previous Opus generation.
- Supports agentic workflows, including tool use, search, and long-running tasks.
- Extends beyond coding into research and everyday knowledge work such as documents, spreadsheets, and presentations.
- Available through claude.ai, API access, and major cloud platforms.
- Pricing on the API is stated to remain unchanged at $5/$25 per million tokens.
Cons
- Some of the strongest capabilities, such as the 1M token context window, are in beta rather than fully general availability.
- The launch post notes that the model can think more deeply and may add cost and latency on simpler tasks.
- Team and enterprise features, connectors, and desktop administration are described across the pricing page, but exact availability can vary by plan.
FAQ
Where can I use Claude Opus 4.6?
Claude Opus 4.6 is available on claude.ai, through Anthropic's API, and on major cloud platforms. The pricing page also shows Claude products in web, iOS, Android, and desktop experiences, with some advanced features limited by plan.
What kinds of work is Opus 4.6 designed for?
Anthropic says Opus 4.6 improves coding, agentic planning, code review, debugging, research, and use of documents, spreadsheets, and presentations. It also supports tool use, search, and finance-oriented work.
Does Opus 4.6 support long-running tasks?
The launch post says Opus 4.6 includes a 1M token context window in beta and can use compaction on the API to summarize its own context for longer tasks.
How is Opus 4.6 priced?
Anthropic says pricing remains the same at $5 per million input tokens and $25 per million output tokens on the API, but product plans and usage limits vary by tier on the pricing page.
What are the main limitations to keep in mind?
The launch page points to a stronger safety profile and low rates of misaligned behavior across safety evaluations, but it does not remove the need to review outputs for important decisions.
Quick Facts
- Category
- AI model / AI assistant
- Product line
- Claude Opus
- Vendor
- Anthropic
- Availability
- claude.ai, API, major cloud platforms
- Notable workflow
- Agentic coding, search, tool use, and knowledge work
- Source domain
- anthropic.com
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