claude opus 4.5 Blog

The Guide to Claude Opus 4 & 4.5 API Pricing in 2026
Mar 27, 2026
claude opus 4.5
Claude Opus 4.1

The Guide to Claude Opus 4 & 4.5 API Pricing in 2026

In late 2025, Anthropic disrupted its own pricing tier with the release of Claude Opus 4.5, dramatically undercutting its predecessor, Claude Opus 4. This article provides a deep dive into the cost structure of Claude Opus 4, contrasts it with the revolutionary pricing of Opus 4.5, and offers actionable strategies—including Python code—for optimizing your AI spend.
How to add Claude to an Alexa skill
Mar 30, 2026
Claude Haiku 4.5
claude opus 4.5
Claude Sonnet 4.5

How to add Claude to an Alexa skill

Voice assistants are increasingly powered by large language models. If you want to bring Anthropic’s Claude API into an Alexa skill you maintain or build, this guide walks you through the practical architecture, concrete code patterns, and operational considerations you’ll need — from quick proof-of-concept to a production-grade skill.
Gemini 3 Pro vs Claude 4.5 Opus: A guide to choosing the best AI model
Mar 27, 2026
claude opus 4.5
Gemini 3 Pro

Gemini 3 Pro vs Claude 4.5 Opus: A guide to choosing the best AI model

Gemini 3 Pro (Google/DeepMind) and Claude Opus 4.5 (Anthropic) are both 2025 frontier models focused on deep reasoning, agentic workflows, and stronger
How to use Claude Opus 4.5 with Cursor and Claude Code — a in-depth guide
Feb 3, 2026
Claude
claude opus 4.5

How to use Claude Opus 4.5 with Cursor and Claude Code — a in-depth guide

Anthropic’s Claude Opus 4.5 is the company’s newest flagship model focused on coding, agentic workflows, and advanced “computer use.” This article explains
How Much Does Claude Opus 4.5 Cost — and is it worth it?
Mar 27, 2026
claude opus 4.5

How Much Does Claude Opus 4.5 Cost — and is it worth it?

Claude Opus 4.5 is Anthropic’s newest “Opus-class” model (released in late November 2025). It’s positioned as a top-tier model for professional software
How to Use Claude Opus 4.5 API
Mar 27, 2026
claude opus 4.5

How to Use Claude Opus 4.5 API

Anthropic released Claude Opus 4.5 in late November 2025 as a more capable, more efficient Opus-class model targeted at professional software engineering,
Claude Opus 4.5 API
Jan 6, 2026
claude opus 4.5

Claude Opus 4.5 API

Claude Opus 4.5 positioned as a hybrid-reasoning, agent-oriented model optimized for long-horizon coding, complex office automation (Excel/PowerPoint automation), multi-tool agent workflows and long-context workflows. Claude Opus 4.5 emphasizes token efficiency, long-horizon coding and agentic tool use with an effort knob to tune tradeoffs; default 200K context with higher long-context options available