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Reflection Beam 1.0: 501B open-weight agentic coding model

At a glance

US lab Reflection open-sourced Beam (501B MoE / 23B active, 1M context, Apache 2.0) for coding and long-horizon agents, with day-0 vLLM/SGLang/Transformers support, Mirror CLI harness, and 40+ inference partners including OpenRouter and Ollama. This workflow is listed under open-weights, coding-agents, moe, harness, learnable-paradigm.

Agents / tools
Beam 1.0, Mirror CLI, vLLM, OpenCode, Hermes, OpenRouter

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Prompt excerpt

Download weights, self-host or hit partner endpoints, then run Mirror / OpenCode / Hermes against Beam for repo edit and tool loops.

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AI-DLC: adaptive workflow steering rules for coding agents

AWS Labs open-source (5k+★): one harness-neutral core turns Claude Code/Codex/Cursor/Copilot/Kiro/opencode into structured, verifiable delivery workflows via `aidlc config --harness` + doctor—install script, not a new agent.

AI-DLCaidlcClaude Code+5
Source ↗
productcoding-agents

Autonomous Harness: desk command center for every coding agent and machine

Autonomous Labs’ Harness (Product Hunt #2 on Oct 16; open-sourced desktop/mobile/firmware) is a round-display desk device plus native app that shows Claude Code, Codex, Cursor, OpenCode, Pi, Hermes, Copilot and more across laptop/server/cloud—voice a task, see runtime and spend at a glance, get a quiet ping when work returns. E2E-encrypted relay; agents keep running if the UI closes. Domain harnesses extend beyond code (Blender, CircuitJS, MuJoCo, Godot).

HarnessClaude CodeCodex+4
Source ↗
blogmodel-release

Meta Muse Spark Open: 816B open-weight agentic coding model

Oct 15 open weights: multimodal MoE (816B total / 42B active, 1M context) trained for long-horizon coding agents—plan, tool-call, self-correct—with Muse Code demos shipping real iOS changes on-device; HF + API hosts.

Muse Spark OpenMuse CodeHugging Face+3
Source ↗