driptips-concierge (Qwen3-4B, v5)

The trip-planning model of driptips, a team project for the Ostrovok O! Hackathon 2026, track ยซะž!ะดะธะฝ ะทะฐะฟั€ะพัยป. Code: https://github.com/ostrovok-hackathon-2026/driptips

It is Qwen/Qwen3-4B-Instruct-2507 fine-tuned with LoRA (r=16, all linear layers) and merged. It does two narrow jobs:

  • a guest's phrase in Russian โ†’ a JSON trip plan (plan_trip): destination, dates, guests and children's ages, budget per night or per trip, must-have and nice-to-have hotel features, trip type, weather and sea wishes, visa, food, questions;
  • an answer about a destination strictly from the provided reference (weather, visa, prices, flight time), without inventing numbers.

The application never shows the model's free text as facts: dates, budget and the reply to the guest are computed by code from a knowledge base, and every answer is checked against it.

Results (v5)

Test Score
Independent test, 60 hand-written phrases: correct final search 95.0%
Same test: fully correct plan 76.7%
Template phrases: valid JSON / correct search 99.8% / 95.0%
Paraphrased phrases: valid JSON / correct search 99.5% / 72.4%
Destination questions: no invented numbers 100%

Use

Built for llama.cpp's OpenAI-compatible server (llama-server) on CPU; a GGUF version is produced from this repository. Training data, prompts and evaluation are in the GitHub repository (training/, docs/own-model.md).

License: Apache 2.0, same as the base model.

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