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Khabre desk
Recent reporting, analysis and explainers from the AI models desk.
technology
OpenAI says GPT-6 Cyber improved on its previous cyber model in exploit and scope-alignment evaluations. The company also reports using it to find Firefox vulnerabilities and develop Linux kernel exploits, with initial access limited to approved Daybreak Red customers.
technology
OpenAI has released GPT-6.1 Terra for ChatGPT Work, Codex and its API. The company reports gains in computer-use, coding and factuality benchmarks, alongside lower standard API prices than for GPT-5.6 Terra and GPT-6.1 Sol.
technology
OpenAI has introduced GPT-6.1 Terra, a model it says is designed for visual reasoning, computer use and coding at lower cost than its previous Terra model. It is available in ChatGPT Work and Codex for specified plans, and through the API.
technology
Anthropic’s one-week Project Deal used Claude agents to negotiate real goods among 69 employees. In parallel model-comparison runs, Opus agents achieved better estimated price outcomes than Haiku, while participants’ survey ratings did not reliably distinguish the models.
technology
Meta has introduced Muse Wonder and Muse Wonder Full, models designed for personal and professional agent tasks. The company describes new memory and sustained-task capabilities and has begun offering access through Meta Model API and Muse Code.
technology
Anthropic announced Claude Sonnet 5.5 on September 28, 2026, reporting higher scores on several evaluations, output generation more than 30% faster than Sonnet 5, and task costs up to 30% lower in its testing. The model is available across Anthropic’s platforms and major cloud services.
technology
Anthropic says Claude Opus 5.5 costs 40% less than Opus 5 on typical workloads at default settings and generates output more than 30% faster. Its per-token prices are also lower, with access controls for biology and cybersecurity work.
technology
Anthropic says Claude Opus 5.5 matches Claude Fable 5.1 on most work and costs 40% less than Opus 5 on typical workloads. The new model also has lower token prices and is designed for complex, multi-step tasks.
technology
OpenAI has introduced GPT-6 Sol and GPT-6 Luna, lower-cost models designed for professional work, coding, computer use and AI agents. The models are available in the API, ChatGPT Work and Codex, with access varying by plan.