AI Launch Profile

Claude Opus 4.5 launches as Anthropic’s frontier agentic model update

Anthropic released Claude Opus 4.5 as a frontier Claude model update with emphasis on advanced reasoning, coding, and agentic work.

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At a glance

Launch Snapshot

Company: Anthropic
Launch date: November 24, 2025
Launch type: Model Release
Category: AI Agents, AI Coding Tools, AI Productivity Tools
Audience: Developers, Enterprises
Pricing: Anthropic API and Claude plan pricing; exact cost depends on model access and usage tier.
Free plan: No
API: Yes
Open weights/source: No

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Official site Anthropic model docs

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A relevant model launch because the strongest Claude tier often becomes the default choice for demanding agent tasks.

Teams that need Anthropic’s strongest model tier for complex coding, planning, analysis, and agent workflows.

Opus releases tend to matter for long-horizon reasoning and complex tool-use workflows where cheaper models stall.

Frontier model cost and latency can make it a selective tool rather than a default for every agent step.

Source-backed record

Official launch source www.anthropic.com Anthropic model docs platform.claude.com