Qwen3.5-35B-A3B — Telco Track A LoRA Adapter

A LoRA adapter distilled from a DeepSeek-V3-5 teacher on 5G NR drive-test troubleshooting trajectories (Zindi Telco Troubleshooting Agentic Challenge — Track A).

Model Details

Property Value
Base model unsloth/Qwen3.5-35B-A3B
Architecture Qwen3.5 MoE — 35B total params, ~3B active
Adapter type LoRA (PEFT)
LoRA rank 16
LoRA alpha 32
Target modules q_proj, k_proj, v_proj, o_proj
Training precision BF16
Training method Behavioral cloning / SFT distillation
Teacher model DeepSeek-V3-5 (deepseek/deepseek-v3-5 via OpenRouter)
Task 5G NR drive-test fault diagnosis (multi-choice)
Adapter size ~33 MB

Training Details

The adapter was trained with Unsloth + TRL SFTTrainer:

  • Loss masking: assistant turns only (train_on_responses_only)
  • Distillation: teacher (DeepSeek-V3-5) generated full agentic trajectories (tool calls + reasoning chain + final answer). Only trajectories with IoU ≥ 0.5 against ground truth were kept.
  • Context window: 4096 tokens
  • Effective batch: 8 (bs=1, grad_accum=8)
  • Epochs: 3
  • Learning rate: 2e-4 (cosine schedule, 5% warmup)
  • Optimizer: AdamW 8-bit
  • Hardware: 2× NVIDIA A40

Task Description

Given a 5G NR drive-test scenario (RF measurements, UE logs, network counters), the model uses agentic tool calls to investigate root causes and selects the correct fault categories from a multiple-choice list. Evaluation metric: IoU between predicted and gold answer sets.

How to Load

from unsloth import FastModel
from peft import PeftModel

model, tokenizer = FastModel.from_pretrained(
    model_name="unsloth/Qwen3.5-35B-A3B",
    max_seq_length=4096,
    load_in_4bit=False,
    load_in_16bit=True,
)
model = PeftModel.from_pretrained(model, "andreribeiro87/Qwen3.5-35B-A3B-telco-tracka-lora")
model.eval()

GGUF Versions

Quantized GGUF files (Q4_K_M and Q5_K_M) are available in the companion repo: andreribeiro87/Qwen3.5-35B-A3B-telco-tracka-GGUF

Framework Versions

  • PEFT 0.19.1
  • Unsloth (latest at training time)
  • TRL SFTTrainer
  • transformers ≥ 4.47
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