Claude Sonnet 4.6, released by Anthropic on February 17, 2026, is an advanced AI model designed for a variety of tasks. With a massive context length of 1,000,000 tokens, it supports both text and image inputs while providing text outputs. This model excels in areas such as coding, complex codebase navigation, and polished document creation. It also features capabilities for iterative development, end-to-end project management with memory, and efficient web QA and workflow automation. Claude Sonnet 4.6 is built to enhance productivity across professional environments, making it a valuable tool for developers and content creators alike.
Use Cases
Here are a few ways teams apply Anthropic: Claude Sonnet 4.6 in practice—from fast drafting to multimodal understanding. Adapt these ideas to your workflow.
Streamline coding workflows with advanced navigation
Manage projects efficiently with memory features
Create professional documents quickly and easily
Automate web quality assurance tasks
Enhance iterative development processes
Key Features
A quick look at the capabilities that make this model useful in real projects.
Massive context length of 1,000,000 tokens
Handles both text and image inputs
Excels in coding and complex project management
Supports polished document creation
Facilitates web QA and workflow automation
Specs
Overview
Vendor
anthropic
Model ID
anthropic/claude-sonnet-4.6
Release
2026-02-17
Modalities & context
Input
text · image
Output
text
Context
1,000,000 tokens
Parameters & defaults
Supported parameters: include_reasoning, max_tokens, reasoning, response_format, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_p, verbosity
Defaults: temperature 0.2, top_p 0.95
Benchmark tests: Anthropic: Claude Sonnet 4.6
We ran this model against a few representative prompts to show its range. Review the outputs below and be the judge.
Text
Prompt:
Write 150 words on how AI might positively upend work, leisure and creativity
# AI's Positive Disruption: Work, Leisure, and Creativity
**Work** stands to become genuinely more human. By absorbing repetitive, administrative tasks, AI frees professionals to focus on judgment, relationships, and complex problem-solving. Doctors spend more time with patients; lawyers concentrate on strategy rather than document review. Productivity gains could even support shorter working weeks.
**Leisure** becomes more personalised and accessible. AI-curated experiences mean entertainment, travel planning, and learning adapt to individual preferences and pace. People previously excluded by cost or geography gain access to tutors, coaches, and cultural experiences once reserved for the privileged few.
**Creativity** arguably benefits most dramatically. Writers, musicians, and designers gain tireless collaborators that handle technical execution, allowing imagination to lead. Beginners cross intimidating skill barriers faster, democratising artistic expression. Entirely new creative forms — unimaginable without human-AI collaboration — are already emerging.
The common thread is **amplification**: AI potentially making people more capable, more fulfilled, and more distinctly themselves.
Run this prompt on Upend.AI