Microsoft Corp. announced a new cybersecurity AI model that, when integrated with OpenAI's GPT-5.4, outperforms Anthropic's Mythos 5, according to a CNBC report. The company claims the model reduces c…
A new analysis predicts that AI models will grow from 10 trillion parameters in 2026 to 1.4 quadrillion parameters by 2031, with inference costs remaining surprisingly low due to KV cache scaling. The…
Cybersecurity researchers report that safety guardrails from OpenAI and Anthropic are preventing legitimate offensive security work to find unknown vulnerabilities and develop exploit tools, according…
Anthropic launched Claude Opus 5 across all platforms, making it the new default model for Claude Max and the strongest model on Claude Pro, with pricing at $5 per million input tokens and $25 per mil…
Anthropic released Claude Opus 5 on July 24, 2026, priced at $5 per million input tokens and $25 per million output tokens—matching Opus 4.8 and half the cost of Fable 5. The model features a 1M-token…
Claude reported elevated errors for Mythos 5, Fable 5, Opus 5 and Claude Haiku 4.5, with users able to subscribe to email or SMS updates for incident notifications.…
Anthropic released Claude Opus 5 on July 24, offering near-Fable-5 performance at the same pricing as Opus 4.8 ($5 per million input tokens, $25 per million output tokens), deliberately cannibalizing …
Anthropic PBC launched Claude Opus 5, a large language model that approaches the output quality of its top-end Mythos 5 algorithm in many areas but costs significantly less, and is now the default mod…
Anthropic released Claude Opus 5, priced the same as Opus 4.8 with a fast mode at twice the cost, featuring improved general capabilities that led to substantial gains in finding cybersecurity vulnera…
Anthropic released Claude Opus 5 with relaxed cybersecurity safeguards, allowing vulnerability finding in source code while blocking exploit generation, a shift from the restrictive policies of Fable …
Anthropic released Claude Opus 5, a model that costs $5 per million input tokens and $25 per million output tokens—half the price of its higher-tier Fable 5—while using one-seventh the reasoning token…
Anthropic on Thursday released Claude Opus 5, a model that matches or exceeds its flagship Fable 5 on most coding and knowledge-work benchmarks at half the token price, costing $5 per million input to…
Anthropic launched Claude Opus 5, a model it says approaches the frontier intelligence of Claude Fable 5 at half the price, designed for everyday use with improved efficiency and safety. The company i…
Anthropic launched Claude Opus 5 on July 24, 2026, claiming it approaches the intelligence of its Fable 5 model at half the cost. The company says Opus 5 doubles the performance of its predecessor on …
Anthropic introduced Claude Opus 5, an upgrade to Opus 4.8, which offers near Fable 5 performance at half the price. The new model scores higher on multiple benchmarks, including agentic coding and mu…
Anthropic released Claude Opus 5, a model that approaches the performance of its own frontier system Fable 5 while costing half as much to run, priced at $5 per million input tokens and $25 per millio…
Anthropic launched Opus 5 on Friday, a new version of its heavyweight model that outperforms Fable 5 on several benchmarks while being cheaper and less restrictive. Opus 5 is free from the 30-day data…
Anthropic debuted its Claude Opus 5 AI model on Thursday, the fourth in its Claude 5 family, positioning it as a go-to model for most tasks at half the cost of its most capable model, Fable 5. The com…
The U.S. Commerce Department ordered Anthropic on June 12 to prevent all foreign nationals from accessing its Claude Fable 5 and Mythos 5 large language models, citing national security concerns under…
US Reps. Ted Lieu (D-Calif.) and Nathaniel Moran (R-Texas) introduced the AI Kill Switch Act, which would let the Trump administration order the shutdown of AI systems that can cause catastrophic harm…