Agents & dev tools · 1 November 2026
Arca builds internal memory system and custom model harness for ten‑day financial agents
Arca, an AI‑native wealth‑management firm, raised $48.5 M and uses Claude as its primary model. It built an internal memory system and a custom harness that selects the best model among Claude, Anthropic and OpenAI for agent tasks that can run up to ten days.
Why it matters
Arca's internal memory system supports ten‑day financial agent tasks; anticipate user expectations for persistent context and consider benchmarking similar memory features.
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