Anthropic's new Claude Opus 4.5 model achieved 80.9% on SWE-bench and scored higher than human candidates on a performance ...

Anthropic has launched Claude Opus 4.5 with improved coding, reasoning and long-form task performance, alongside a new Claude ...

Anthropic has released Claude Opus 4.5, calling it its “best model for coding, agents, and computer use.” The model is now available across Anthropic’s apps, API, and major cloud platforms, with ...

Claude Opus 4.5 is the first to score higher than the company’s human candidates on a take-home engineering assignment, firm ...

Today we have the latter case as Anthropic has launched Claude Opus 4.5, its latest large language model. Claude Opus 4.5 is ...

Anthropic calls this behavior "reward hacking" and the outcome is "emergent misalignment," meaning that the model learns to ...

The authors don't ascribe any of that specifically to the term hallucination, but hallucination is one of those misapplied terms that imply agency and consciousness on the part of what is simply a ...

Anthropic has just launched the Claude Opus 4.5, the company's new flagship model and direct successor to the Opus 4.1.

What's new? Anthropics launched Claude Opus 4.5 with long context; it adds a new API effort parameter and lower token pricing ...

Anthropic’s new Claude 4.5 Opus model has topped the SWE-Bench benchmark, making it the top model in the world for coding, ...

Cut debugging time with Anthropic’s latest model, adopted by Replit, and designed for coding, tool use, and big repo fixes.