2026-10-11 17:10 UTC

Independent testing will determine whether Needle 2’s 14MB binary provides reliable tool use and device control on memory-constrained phones, wearables, Raspberry Pi-class systems, and microcontrollers.

state: expiredheat: lowuncertainty: highknownscott: lowedge-inference tiny-models device-agents local-inferenceCactusHenry

What is this?

Needle 2 is presented by its official page as an open 45M-parameter model with a 14MB binary, intended for tool calling, device use, and structured extraction on edge hardware such as phones, wearables, smart-home devices, and robots. The supplied material names Cactus and Henry but does not establish their roles or relationship to the model. Despite the web answer’s assertion, the search snippets provide no independent testing of Needle 2 and do not substantiate reliable operation on Raspberry Pi-class systems, microcontrollers, or other memory-constrained devices.

Why it matters to Scott

This is another unvalidated edge-agent claim in a territory already covered by Scott’s Hardware-aware local inference and Model-Plus-Harness Benchmark Unit, and by the radar’s closely analogous LFM2.5 edge-agent validation case. The 14MB footprint could become consequential if independent device-control results emerge, but the supplied evidence currently adds no benchmark findings and does not establish the named actors’ roles.
dev:concept.hardware-aware-local-inferenceip:concept.model-plus-harness-benchmark-unitip:concept.agent-hands-and-eyesip:concept.evaluation-driven-developmentradar:lfm2-5-2-6b-edge-agent-validationradar:concept.edge-inferenceradar:concept.small-modelsradar:concept.agent-evaluation
queries asked of Scott's wikis
  • tiny-model reliability benchmarks
  • local agent tool-use evaluation
  • device agents on constrained hardware
  • edge inference memory and latency tradeoffs
  • offline tool calling and device control
  • microcontroller language-model deployment

Measured heat

no measured readings yet — the hourly heat pass fills this in

How the heat travelled

no chain yet — the hourly chain pass fills this in

Evidence (4) — ⭐ canonical anchor

sourceobjectauthorscorecomments
🟠 redditNeedle 2: 14MB agentic LLM for phones, wearables, smart home and robots.
LocalLLaMA
Henrie_the_dreamer9429
🟧 echo.other ⭐Official Needle 2 page: “An open 45M-parameter model for tool calling, device use, and structured extraction.” It states Needle 2 is a 14 MBCactus Compute——
🟧 hnShow HN: Needle2: 14MB agentic LLM for phones, wearables, smart home and robotsHenryNdubuaku532180
🟠 redditFine-tuning Cactus Needle 2 can match DeepSeek v4 on the specific task
LocalLLaMA
Henrie_the_dreamer260

Interpretation history

Decision trace