Anthropic Launches Claude Opus 4.5, Claiming Top Spot in AI Coding and Reasoning

Anthropic has launched its new Claude Opus 4.5 AI model. The company calls it the world’s best model for coding and complex tasks. This update was announced today.

The new model represents a significant step forward in AI capabilities. It is designed to handle deep research and everyday tasks with greater skill. Early testers provided the feedback that shaped this release.

Substantial Upgrades in Reasoning and Vision Capabilities

Claude Opus 4.5 shows major improvements over its predecessor. It excels in vision, mathematics, and complex reasoning. The model can handle ambiguous requests and reason about tradeoffs independently.

This advancement makes it capable of tasks that were impossible for earlier models like Sonnet 4.5. According to Reuters, this marks a competitive move in the rapidly evolving AI industry. The update strengthens Anthropic’s position against other leading AI firms.

Expanded Platform Access and Endless Conversations

The launch includes updates across Anthropic’s entire platform. The Claude apps, Developer Platform, and Claude Code have all received upgrades. A key new feature removes conversation length limits.

Claude can now automatically summarize earlier parts of a long discussion. This allows conversations to continue indefinitely without hitting context windows. The feature is available immediately to all users.

New Integrations for Excel, Chrome, and Desktop

Anthropic is expanding where users can access Claude. Claude for Chrome is now available to all Max plan subscribers. The Claude for Excel beta is open to Max, Team, and Enterprise users.

Claude Code is now integrated into the desktop application. With Opus 4.5, it builds more precise execution plans. The system can ask clarifying questions upfront and create user-editable plans before running code.

Claude Opus 4.5 is available starting today across all Anthropic platforms. The company has removed Opus-specific caps for eligible users. This major release solidifies Anthropic’s commitment to advancing practical AI applications for both consumers and developers.

Thought you’d like to know-

What makes Claude Opus 4.5 different from previous versions?

Claude Opus 4.5 offers superior vision, reasoning, and mathematics skills. It can handle tasks that were impossible for earlier models like Sonnet 4.5. The model also better manages ambiguity without requiring extensive guidance.

Where can I use Claude Opus 4.5?

The new model is available across Anthropic’s apps and its API. It also powers updates in Claude for Chrome, Claude for Excel, and the desktop application. Access varies by subscription plan.

Are there any changes to usage limits?

Anthropic has removed Opus-specific caps for users with Opus 4.5 access. Max and Team Premium members have received increased overall usage limits. This allows for more extensive model interaction.

What is the new endless conversation feature?

Claude can now automatically summarize earlier context in long discussions. This eliminates previous conversation length restrictions. Users can continue dialogues indefinitely without losing context.

How does Claude Code work with Opus 4.5?

The updated Claude Code builds more thorough and precise execution plans. It asks clarifying questions before creating user-editable plans. This results in more accurate code generation and task completion.

Trusted Sources

Reuters