Hive Auditor 1.7B

Hive Auditor 1.7B

The Hive 1.7B roster

This model is one seat in the five-model Hive 1.7B family. They are role specialists, not five general chat models:

model seats
Hive Conductor 1.7B controller + planner
Hive Reader 1.7B mechanics + RAG
Hive Auditor 1.7B placement + critic
Hive Dispatcher 1.7B dispatcher
Hive Tool Manager 1.7B agency

The family is served and routed by Hive.

A placement + critic specialist for the Hive local control plane: decide where models fit, and check whether a proposed assignment or schedule is valid.

Built from LiquidAI/LFM3-1.7B-Base, this specialist covers the placement and critic seats. It is not a general chat model.

Use cases

  • Will this model fit? Given weights, runtime reserve, KV cache per 8k block and a card's total memory, return how many whole context blocks fit.
  • Card placement. Choose the smallest card that fits a model, or assign several models to cards under a memory budget.
  • Preflight a proposed plan. Validate an assignment, schedule or order before the dispatcher or harness executes it, and answer yes/no.
  • Capacity audits. Check batch jobs, model tiers or context windows against the memory a local machine actually has.
  • Guardrail for the other seats. Use the critic output as a cheap second check on a Conductor or Dispatcher plan.

Auditor is the placement/critic seat. It checks fit and validity; it does not run the plan or act as a general chat model.

Evaluation

Held-out Hive role suites, greedy decoding:

role path accuracy n median
placement HF 0.957 46 0.036 s
placement GGUF 0.935 46 0.047 s
critic HF 0.947 38 0.038 s
critic GGUF 0.921 38 0.057 s

Reproduce

The held-out task files, deterministic checkers and endpoint evaluator are in the Hive harness. The JSON files under eval/ are the exact evaluation records: greedy decoding, response_format enabled for JSON-shaped tasks, and Q4_K_M for the GGUF row. Weight hashes are in SHA256SUMS.

Training

  • Base: LiquidAI/LFM3-1.7B-Base
  • Method: TRL SFT + LoRA (r=16, alpha=32, dropout 0.05)
  • Data: synthetic, checker-validated Hive role rows; no user data
  • Format: LFM3 chat template with enable_thinking=false; assistant-only loss
  • Run: 2600 rows, 3.0 epochs, 489 steps
  • Peak VRAM: 13.9 GiB on one 20 GB AMD card

Usage

Merged transformers model:

from transformers import AutoModelForCausalLM, AutoTokenizer

repo = "SkyIsNotGreen/hive-auditor-1.7b-v1"
model = AutoModelForCausalLM.from_pretrained(
    repo, subfolder="model", dtype="bfloat16", trust_remote_code=True)
tok = AutoTokenizer.from_pretrained(
    repo, subfolder="model", trust_remote_code=True)

PEFT adapter:

from peft import PeftModel
from transformers import AutoModelForCausalLM

base = AutoModelForCausalLM.from_pretrained(
    "LiquidAI/LFM3-1.7B-Base", dtype="bfloat16", trust_remote_code=True)
model = PeftModel.from_pretrained(base, "SkyIsNotGreen/hive-auditor-1.7b-v1", subfolder="adapter")

GGUF with llama.cpp:

llama-server -m gguf/hive-auditor-1.7b-v1-Q4_K_M.gguf --alias auditor-1.7b \
  --host 127.0.0.1 --port 8162 -ngl 999 -c 8192 -np 2 \
  --jinja --reasoning off --no-webui

--reasoning off is required for this LFM3 template.

Run with Hive

hive serve can fetch this GGUF and start it as a role tier; see the Hive install guide. The direct llama-server command above is the minimal portable path.

Limitations

Placement assigns models to cards under VRAM/KV budgets; critic validates assignments, schedules, and orders. The model is not a general chat model; use a deterministic checker in production.

License and attribution

This is a derivative of LiquidAI/LFM3-1.7B-Base, released under the LFM Open License v1.0 (see LICENSE). The base model is by Liquid AI. Commercial use by an entity above USD 10M annual revenue is not licensed under LFM 1.0.

Modified files: the LoRA adapter, merged weights, and GGUF conversion. See NOTICE.

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