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Tom Greenwald
@tomgreenwald
Building @usemagnitude. Coding agents, dev tools, open source. YC S25
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I switched my Hermes agent to 100% free local models with Magnitude It’s running Qwen 3.6 35B-A3B at ~60 tok/s on my DGX Spark. It’s free, private, and always on running background tasks Hermes set Magnitude up itself. With the CLI it: - Profiled my hardware and found the best models for it - Walked me through the options and let me decide - Switched itself over From there, models load just in time as the agent works and unload when idle Works with Pi, OpenCode, Hermes, OpenClaw, Codex, Claude Code, Oh My Pi, and Cline Copy this prompt and send it to your agent: “Set up local models for me with the Magnitude CLI. Install it with `npm i -g @magnitudedev/cli` (or my package manager), then run `magnitude docs onboarding` and follow the instructions” GitHub:
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We compared the M5 Ultra Mac Studio 512GB with 4x DGX Spark and 4x AMD Ryzen AI Halo The prices are relatively the same ($15-20k), but the trade-offs are noticeable Compute (prompt processing speed) - Mac: one chip, all the compute is always usable. Quick on normal prompts, will feel slower on long ones - Sparks: boxes link over 200GbE, which is fast enough to combine their compute. Fastest of the three, and native FP4 speeds up quantized models even more - Halos: boxes link over 10GbE, too slow to share work properly. Ends up close to the Mac but somewhat worse Bandwidth (token generation speed) - Mac: 512GB on a single bus, faster than a 4090, ~4x the tokens/sec of Spark or Halos - Sparks: the model splits across boxes and tokens pass through them in sequence, so 4 boxes still generate at 1 box's speed - Halos: same ceiling as Spark, same reason Power - Mac: less than a gaming PC, silent - Sparks: nearly maxes out a wall circuit, will be hot - Halos: about half the Sparks, but somewhat hot The real gap is bandwidth. The Studio will feel noticeably faster. Spark 2 is rumored soon, but it won't matter unless the bandwidth goes way up. Same for AMD, plus better interconnect speeds
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