Claude Opus 4 is a Multimodal LLM designed for reasoning-heavy tasks and complex coding workflows. It excels in sustained performance on long-running tasks that require focused effort and thousands of steps, including agentic search, large-scale code refactoring, and multi-step problem solving.

Some other noteworthy features of Claude Opus 4 include "extended thinking" mode for more deliberate reasoning, tool use capabilities, and memory tracking across complex workflows.

Metric	Value
Parameter Count	Unknown
Mixture of Experts	Unknown
Context Length	200,000 tokens input, 32,000 tokens output
Multilingual	Unknown
Quantized*	Unknown

*Quantization is specific to the inference provider and the model may be offered with different quantization levels by other providers.