Firehose

Arca, an AI-native wealth management firm, uses agents to perform long-horizon financial work, such as analyzing client data and generating financial plans that can take up to ten days to complete. The firm has developed an internal memory system to track the progress of these tasks and ensure that human advisors are involved in the decision-making process. Arca's agents are designed to prompt humans for input, rather than the other way around, and the firm has implemented various safety measures to prevent agents from making decisions that could harm clients. AI summary

Elorian's Glimpse model has demonstrated 50.48% accuracy on the DecoyCount benchmark, surpassing frontier models like GPT-6 Astra (43.17%) and Gemini-3.8-flash (32.71%). This achievement highlights Glimpse's ability to visually reason and ground its counts in visible evidence, rather than relying on shortcuts or substitution heuristics. The DecoyCount benchmark, co-released by Elorian, tests whether language models genuinely count objects or rely on visual shortcuts, revealing a gap between seeing and reasoning. AI summary

Artificial Analysis v5's Intelligence Index weighs various aspects of language models, including knowledge work, coding, science, and general capabilities, but its methodology has sparked debate due to the complexity of measuring real-world usage and the trade-offs in aggregating scores. The index's emphasis on closed models may overlook the value of open models, which are still capable of performing well in specific tasks, and its shift towards private benchmarks raises concerns about transparency and accountability. AI summary

Anthropic has developed a modular architecture for their Claude platform, separating the "brain" (managed agents) from the "hands" (API), allowing for more efficient and secure model deployment. This separation enables better isolation, credentials management, and network controls, and also facilitates lower latency and better reliability. AI summary

Katelyn Lesse and Angela Jiang join Latent Space to explain the engineering behind the Claude Platform: launching Opus 5.5, separating the model’s “brain” from the agent’s “hands,” scaling APIs, and building reliable managed agents. A new i…

Get 20% off Mobbin Pro to help your agent design UIs that actually convert - https://mobbin.com/fireship Kimi K3.1 just dropped as a free 3-trillion-parameter open-weight model that comes within one point of Opus on Terminal Bench. But is i…