Anthropic Claude Duet (4.6 Sonnet)
Anthropic’s proactive human-in-the-loop coding and computer-use model, combining 1M context, sandboxed bash execution, and fine-grained permission boundaries.
Interactive Token Cost Estimator (Claude Duet 4.6)
Architectural Strengths & Target Workloads
- Best-in-class interactive pair programming and frontend/systems code taste
- 90% prompt cache read savings ($0.30 / 1M tokens) for long-lived IDE sessions
- Strict constitutional sandboxing against prompt-injected tool escalation
Primary Engineering Workloads: Interactive Pair Programming · Computer Use & Browser Automation · Security Patch Authoring.
Frequently Asked Questions (Claude Duet 4.6)
How much does Anthropic Claude Duet (4.6 Sonnet) cost per 1M tokens?
Anthropic Claude Duet (4.6 Sonnet) is priced at $3.00 per 1M uncached input tokens, $0.30 per 1M cached input tokens, and $15.00 per 1M output tokens (Anthropic Messages API (90% prompt caching discount on warm prefixes)).
What is the context window of Anthropic Claude Duet (4.6 Sonnet)?
It supports up to 1,000,000 tokens (1,000,000 tokens) and a maximum generation output of 128,000 tokens.
The Proactive AI Agent War: Anthropic Launches Claude Duet to Challenge OpenAI's 'dots' and Meta Muse
The era of passive chatbots waiting for prompts is over. Here is how Claude Duet (powered by Claude Opus 5.5) compares against OpenAI's always-on dots agents (powered by GPT-6 Astra).
Read Full Technical Dispatch (6 min read) →