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Claude Opus 4.5

software 4 mentions from 3 sources Visit website →

An advanced AI model from Anthropic used for coding and complex reasoning tasks.

ai coding assistant anthropic design claude productivity llm
3

sources

Mentioned by

Greg Isenberg Ryan Carson Nathan Lambert

All mentions

Greg Isenberg uses this ✓ High confidence
"Here's a three-skill system that turns Claude Opus 4.5 from just a coding agent to an army of senior engineers, designers, and writers."
From: How to get the most out of Claude Opus 4.5 • ▶ 0:01 • Dec 2025

Attribution: Greg is demonstrating how to use Claude Opus 4.5 effectively, indicating personal usage and positive experience

Greg Isenberg uses this ✓ High confidence
"Guess what? Claude Opus 4.5 is here. And people are saying it is the world's best coding agent"
From: Reviewing Claude Opus 4.5 • Nov 2025

Attribution: Primary topic of the episode - Greg is actively testing and using it

Ryan Carson recommends ✓ High confidence
"The agents are smart enough now, Opus 4.5 is smart enough now that if you give it good acceptance criteria, it can do it."
From: "Ralph Wiggum" AI Agent will 10x Claude Code/Amp • ▶ 8:43 • Jan 2026

Attribution: Carson positively recommends Opus 4.5 as being capable enough for autonomous coding tasks

Nathan Lambert mentioned ✓ High confidence
"The hype over Anthropic's Claude Opus 4.5 model has been absolutely insane, which is just... I mean, I've used it and built stuff in the last few weeks, and it's... it's almost gotten to the point where it feels like a bit of a meme in terms of the hype."
From: State of AI in 2026: LLMs, Coding, Scaling Laws, China, Agents, GPUs, AGI | Lex Fridman Podcast #490 • ▶ 4:08 • Jan 2026

Attribution: Nathan describes the intense hype around Claude Opus 4.5 and mentions he has used it personally