Claude Opus 5

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Claude Opus 5 is Anthropic's advanced Claude model for complex agentic coding and enterprise work, with a 1M-token context window, adaptive thinking, and strong long-horizon task behavior.

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Provider

Anthropic

Model family

Anthropic Claude

Multimodal LLM

Cost tier

Opus

Status

Current

Why teams choose it

🧠

Use for difficult multi-file coding

code review, and long-running enterprise agent work where Sonnet 5 is not enough.

📎

Anthropic positions Opus 5 below Fable 5 for highest capability

but above older Opus 4.x rows for complex agentic work.

Tradeoffs to know

More expensive than Sonnet 5; route routine production traffic to Sonnet or Haiku when quality holds.
Set effort deliberately to manage token use and latency.

When not to use this

Not ideal for simple tasks where cheaper models in the same lineup are good enough.
Avoid for latency-sensitive real-time chat when raw response speed outweighs reasoning depth.
Confirm limits, pricing, and regional availability on the provider side before committing production workloads.

Technical specs