AI assistants & research

Claude (Anthropic)

A family of large language models from Anthropic, available via the Claude app and API, used for writing, analysis, coding, and as the reasoning engine behind AI agents.

Visit Claude (Anthropic) →

How and why we use Claude (Anthropic) at AI4NTP

Ian’s original OpenClaw brain (Opus 4.6) for his first 10 weeks, and he loved it. In Episode 003 he explained switching away after Anthropic blocked OpenClaw from using subscription tokens. Still the model behind much of what we build.

Claude (Anthropic) alternatives we've used live

Genuine substitutes for Claude (Anthropic) that we've also run on stage:

Claude (Anthropic) FAQ

Is Claude (Anthropic) free?

Yes, Claude (Anthropic) has a free tier. Free tier; Pro around 20 dollars a month; API is usage-based.

How much does Claude (Anthropic) cost?

Free tier; Pro around 20 dollars a month; API is usage-based.

What did AI4NTP use Claude (Anthropic) for?

Ian Kilpatrick used it in Episode 003 to his original OpenClaw model brain (Opus 4.6).

What are some Claude (Anthropic) alternatives?

Tools we've also used live that can stand in for Claude (Anthropic): ChatGPT, Kimi (Moonshot AI).

Claude (Anthropic) at a glance

CategoryAI assistants & research
PricingFree tier; Pro around 20 dollars a month; API is usage-based.
Free tierYes
Used live inEpisode 003
Operator(s)Ian Kilpatrick
Websiteclaude.ai

See how we used Claude (Anthropic) live at AI4NTP

Episode 003 · Ian Kilpatrick
His original OpenClaw model brain (Opus 4.6).
Show notes →

Want to get more out of Claude (Anthropic)?

See tools like Claude (Anthropic) set up live, step by step, on AI4NTP, or get hands-on help putting it to work.

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Last updated 2026-06-11