Claude Opus 5 — reviews, specs & pricing
Anthropic's recommended default for complex agentic coding and enterprise work.
Summary
Claude Opus 5 is Anthropic's flagship model designed specifically for complex agentic coding and heavy enterprise workloads. Featuring an expansive 1-million-token context window and a groundbreaking 128k maximum output capacity, it excels at managing massive, multi-step analytical tasks. It stands as the premier choice for organizations requiring deep reasoning, reliable execution, and extensive code generation.
Sample use case
A financial services institution uses Claude Opus 5 to automate the compliance auditing of thousands of pages of regulatory documents alongside their entire transaction processing codebase. By loading both the massive compliance PDF libraries and the application code into the 1M context window, the model autonomously analyzes the logic, identifies compliance gaps, and generates hundreds of pages of refactored, compliant code and audit reports in a single run.
Specifications
- Provider: anthropic
- License: closed
- Context: 1000k tokens
- Input price: $5/M tok
- Output price: $25/M tok
- Released: 2026-06-09
Pros
- Massive 1M token input context
- Industry-leading 128k max output limit
- Optimized for complex agentic workflows
- Superior code generation and reasoning
Cons
- High cost at $5/$25 per million tokens
- Limited to chat and code modalities
- Potential latency overhead on maximum outputs
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