Model details
Claude Opus 4.6
Claude Opus 4.6 belongs to Anthropic's flagship Claude Opus family, a line that has historically emphasized deep reasoning, agentic tool use, and very large context windows for professional knowledge work. The model sits in the upper tier of the Opus lineage and is positioned for tasks that require sustained analysis of long documents, multi-step planning, and careful instruction following rather than lightweight chat. Its combination of text and document inputs with text outputs makes it suitable for research assistants, code review over large repositories, and document-heavy workflows where context retention across hundreds of pages matters.
In practical terms, Claude Opus 4.6 is aimed at teams that need a reasoning-focused model with room for attached files and external tool calls, and it can be tuned via temperature control for more deterministic or more exploratory behavior. The model is available through managed cloud channels such as Amazon Bedrock, which broadens deployment options for enterprises already standardized on AWS. An experimental fast mode offers a lower-latency configuration for use cases where response speed matters more than maximum deliberation, while the standard tier remains the better choice for hardest reasoning tasks.
Quick Info
Powered by- Provider
- AnyAPI
- Model key
- anthropic/claude-opus-4-6
- Release date
- Feb 5, 2026
- Last updated
- Mar 13, 2026
- Knowledge cutoff
- 2025-05-31
- Input modalities
- Output modalities
- Capabilities
Limits
- Output tokens
- 128,000 tokens
- Context window
- 1,000,000 tokens
OpenCode