Claude Sonnet 4.6 with 1M token context window
A powerful AI model with a 1 million token context window for complex tasks and long documents.
Claude Sonnet 4.6
For
Handling large codebases, lengthy contracts, research papers, long-horizon planning, and complex reasoning tasks.
Pricing
Starts at $3/$15 per million tokens.
Url
https://www.anthropic.com/news/claude-sonnet-4-6
What it does and when to use it
Claude Sonnet 4.6 is an advanced AI model featuring a 1 million token context window, now in beta. This allows it to process and reason over extensive amounts of information, such as entire codebases or legal documents, in a single request.
Sources and credit
- Introducing Sonnet 4.6 ↗Anthropic · Anthropic News · Jul 21, 2026 · paraphrased
First seen on Subvolts Jul 21, 2026. Updated Sep 11, 2026. Spotted a problem? Tell us.
Where it shows up
- Introducing Sonnet 4.6Anthropic · Anthropic News · Jul 21, 2026
Terms used
Related in the PlaybookPlaybook →
The Playbook: reusable how-tos, prompts, configs and tips pulled out of the news.
- Model pickClaude Sonnet 4.6 for coding and office tasksUse Sonnet 4.6 for coding, computer use, and office tasks, as it approaches Opus-level intelligence at a lower cost. · 5 min
- HeuristicUse AI agents to orchestrate other AI agentsHave one AI agent act as an orchestrator, directing other agents and monitoring their progress. · 5 min
- Safety tipDefend against prompt injection attacksImprove model resistance to prompt injection by following API documentation guidelines. · 10 min
- Setting tipClaude Fable 5.1 reasoning levels for task executionAdjust reasoning levels in Claude Fable 5.1 for fine-tuned task execution. · 2 min
- Cost tipOptimize Claude Opus 5 cost with effort settingsAdjust Opus 5's effort setting to balance intelligence, speed, and token usage for cost savings. · 1 min
- Setting tipClaude Opus 5 effort setting for performance tuningAdjust the effort setting in Claude Opus 5 to balance intelligence, speed, and token consumption. · 1 min
Questions people ask
- Which AI tools does this work with?
- The sources used it with Claude.
- Where did this come from?
- Anthropic (Anthropic News). Subvolts collected, normalized and credited it; the link above opens the original.