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This week's research roundup covers agent benchmarks that reward exploits over real capability, reasoning models that give up despite having the answer, and why LoRA can't internalize multi-step procedures.
Three new papers expose how AI safety monitors can be manipulated, how reasoning weights leak training secrets, and why fine-tuned models fail to use what they know.
OpenAI's GPT-5.5-Cyber is a cybersecurity-specialized fine-tune of GPT-5.5, restricted to vetted defenders through the Daybreak Cyber Partner Program and rated 85.6% on the CyberGym benchmark.
May 2026: Together AI adds Llama 4 and DeepSeek fine-tuning, Fireworks raised deployment prices $1/hr, and H100 rentals fell to under $2.40/hr.
OpenAI's GPT-5.4-Cyber is a cyber-permissive fine-tune of GPT-5.4 Thinking with binary reverse engineering, 88.23% on professional CTFs, and access gated through the Trusted Access for Cyber program.
A data-driven comparison of 14 managed and open-source fine-tuning platforms, with verified pricing, supported methods, and a decision matrix to pick the right tool for your workload.
Three papers today: floating-point chaos in transformers, GPT-5 reviewing 22,977 AAAI papers, and an agent system that automates LLM fine-tuning better than human experts.
Three papers from today's arXiv: a joint fix for KV cache bloat and attention cost, new evidence that fine-tuning belongs in the middle of a transformer, and why stronger reasoning hurts behavioral simulation.
A practical guide to choosing between RAG and fine-tuning for your AI project, with cost comparisons, latency trade-offs, and a decision framework.
Fine-tuning trains a pre-built AI model on your own data so it learns your specific task, tone, or domain - here is how it works, what it costs, and when to use it.
A community fine-tune distills Claude Opus 4.6 chain-of-thought reasoning into Qwen3.5-27B via LoRA, racking up 4,000+ downloads in days. No benchmarks yet - but the approach raises familiar questions.
A hands-on review of the NVIDIA DGX Spark - a 128 GB Grace Blackwell mini PC that promises 1 petaflop of AI performance on your desk for $4,699.
