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Briefs forOctober 2
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Kev releases 1.0 open-weight decision models with a 64k document window
Kev 1.0 introduces Kev-27B and updates Kev-9B with a 64k document window and TypeSafe SDK compatibility. The release includes weights, source code, and fine-tuning and deployment skills.
Pi releases version 1.0 with durable sessions backed by SQLite
Pi 1.0 introduces Pi Durable, with SQLite storage and concurrent sessions shared across multiple clients. Published examples describe replay-safe tasks and background subagents.
Rivet reports 0.82 MB per session for its Pi integration
Rivet's Pi integration keeps the agent loop, sessions, and credentials in the backend while sandboxes provide tools. Rivet reports durable execution, shared control, and SQLite persistence alongside the 0.82 MB per-session figure.
Perplexity open-sources pplx-embed-v2-context-9b-preview
Perplexity released pplx-embed-v2-context-9b-preview, which encodes chunks using whole-document context. Perplexity reports leading results on ConTEB and Turbopuffer's context benchmark.
Firstmate cuts AGENTS.md instruction file by nearly 50%
A case study reports reducing a roughly 30,000-token AGENTS.md file by almost 50% while improving instruction quality. Session transcripts informed which rules remained and which moved into a skill.
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