Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical ...

GPT-5 is significantly more cost-effective than Claude Opus 4.1, making it ideal for budget-conscious users, while Claude ...

AI writing tools ChatGPT 5 and Claude 4.1 Opus go head-to-head. Explore their strengths, weaknesses, and which one suits your ...

Anthropic has upgraded its largest AI model, Claude Sonnet 4, to handle up to one million context windows, enhancing its coding and data processing capabilities.

Anthropic’s developers recently upgraded the AI model Claude Sonnet 4 to support up to 1 million tokens of context, thereby ...

In May, Anthropic released Claude Opus 4, which the company dubbed its most powerful model yet and the best coding model in ...

Anthropic AI has released Claude Opus 4.1, the successor to Claude Opus 4 with improved coding, reasoning capabilities and ...

OpenAI’s GPT-5 takes on Google’s Gemini 2.5 and Anthropic’s Claude 4.1, raising the stakes in AI with deeper reasoning, ...

Anthropic launched Claude Opus 4.1 today, an upgraded version of its flagship AI model that achieves 74.5% accuracy on ...

Claude Opus 4.1 scores 74.5% on the SWE-bench Verified benchmark, indicating major improvements in real-world programming, bug detection, and agent-like problem solving.

Claude Sonnet 4 can now support up to one million tokens of context, marking a fivefold increase from the prior 200,000, ...

Anthropic says Claude Opus 4.1 improves software engineering accuracy to 74.5%. That compares to 62.3% with Claude Sonnet 3.7 ...