Anthropic triggers safety protocols with new Claude models. In launching the Claude Opus 4 model, Anthropic said it was taking increased safety precautions to reduce the risk of Claude being misused.

Both models are accessible via the Claude Pro, Max, Team, and Enterprise plans, with Sonnet 4 also available to free-tier users. Pricing remains unchanged from the previous generation.

Anthropic has launched its next-generation AI models—Claude Opus 4 and Claude Sonnet 4—touting major advances in coding, reasoning, and long-running agent workflows. With these upgrades, the ...

Anthropic, the AI startup backed by Amazon and seen as one of OpenAI’s biggest challengers, has just rolled out its most advanced AI models to date, Claude 4. AI startup Anthropic, backed by ...

Claude Opus 4 is Anthropic's most powerful model to date, and it is the world's best coding model with a 72.5 percent score on SWE-bench and 43.2 percent score on Terminal-bench.

According to Anthropic, Claude Sonnet 4 (its mid-tier model, between Raiku and Opus) significantly improves at coding, reasoning, and instruction following compared to its predecessor, Claude ...

Anthropic says Claude Opus 4 is its most powerful model and the best coding model in the world, while Sonnet 4 is replacing Sonnet 3.7 in the chatbot. Anthropic's latest Claude AI models are here ...

Claude Sonnet 4 is the smaller model, but it's still a major upgrade in power from the earlier Sonnet 3.7. Anthropic claims Sonnet 4 is much better at following instructions and coding.

Anthropic tailored Claude Opus 4 for greater precision and better understanding of codebases than previous models. SEE: Apple is rumored to be preparing a SDK for its on-device AI models .

OpenAI's internal testing revealed that these models surpass both GPT-4o and GPT-4.5 in coding capabilities. The company reported that GPT-4.1 achieved a 54.6 percent score on the SWE-bench ...

OpenAI has announced that their GPT-4.1 and GPT-4.1 mini AI models will now be available in ChatGPT. The models were earlier accessible just through the OpenAI API post their launch a month ago.

GPT-4.1 is a specialized model that excels at coding tasks & instruction following. Because it’s faster, it’s a great alternative to OpenAI o3 & o4-mini for everyday coding needs. — OpenAI ...