Claude Opus 4.6: Your Partner in Coding and Knowledge Work

Discover a model built for complex tasks and sustained engagement.

Input: text · image Output: text Context: 1,000,000 tokens Release: 2026-02-04
Claude Opus 4.6, released by Anthropic in February 2026, is a powerful model designed for coding and professional tasks that require long-term engagement. With a context length of one million tokens, it supports both text and image inputs while generating text outputs. This model is particularly adept at managing large codebases, performing complex refactors, and handling multi-step debugging effectively. Beyond coding, it excels in producing coherent documents, plans, and analyses, making it suitable for technical design and project execution. Users transitioning from earlier Opus versions can find guidance in the official migration guide.

Use Cases

Here are a few ways teams apply Anthropic: Claude Opus 4.6 in practice—from fast drafting to multimodal understanding. Adapt these ideas to your workflow.

Efficiently refactor complex code

Produce near-production-ready documents

Plan and execute technical projects

Maintain coherence in extended sessions

Key Features

A quick look at the capabilities that make this model useful in real projects.

Handles large codebases with ease

Excels in multi-step debugging

Generates coherent long-form outputs

Supports both text and image inputs

Ideal for technical design and project planning

Specs

Overview
Vendor
anthropic
Model ID
anthropic/claude-opus-4.6
Release
2026-02-04
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 Opus 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
# The AI Transformation: Work, Leisure & Creativity AI stands poised to fundamentally reshape how we spend our time — largely for the better. **Work** will shift from tedious execution to strategic thinking. As AI automates repetitive tasks — data entry, scheduling, routine analysis — humans can focus on relationship-building, complex problem-solving and meaningful decision-making. The four-day workweek may finally become reality, not through policy, but through sheer productivity gains. **Leisure** will become richer and more personalised. AI-curated travel experiences, adaptive gaming worlds and intelligent health coaching could help people spend free time more intentionally, replacing passive scrolling with genuine restoration and adventure. **Creativity** may see its most exciting revolution. AI tools are already democratising artistic expression, enabling someone with no musical training to compose, or a small business owner to produce professional-quality design. Rather than replacing artists, AI becomes a collaborative partner — expanding imagination beyond individual technical limitations. The result? More human lives defined by purpose, play and creative fulfilment.
Run this prompt on Upend.AI

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up.end
/ˌəpˈend/
verb

To “upend” means to completely disrupt, overturn, or drastically change the established order or structure of something. It implies a significant shift or alteration that can potentially have far-reaching consequences. When something is upended, it is turned upside down or transformed in a way that challenges conventional norms or expectations. The term often carries a sense of innovation, transformation, and sometimes even a hint of upheaval, indicating that the changes are not just minor adjustments but rather a fundamental reimagining of the status quo.