README.md

metadata

language:
  - en
tags:
  - travel
  - india
  - curriculum-learning
  - llama
  - qlora
  - itinerary-optimization
  - grounding
license: apache-2.0
base_model: unsloth/Meta-Llama-3.1-8B
datasets:
  - ishreyadev/pivotai-synthetic-v2
  - ishreyadev/pivotai-agent-traces
metrics:
  - bertscore
model-index:
  - name: pivotai-curriculum
    results:
      - task:
          type: text-generation
          name: Travel Itinerary Optimization
        metrics:
          - type: grounding_accuracy
            value: 0.88
            name: Grounding Accuracy
          - type: bertscore_f1
            value: 0.734
            name: BERTScore F1
          - type: red_team_pass
            value: 0.6
            name: Red-Team Robustness

pivotai-curriculum

Curriculum-trained Llama 3.1 8B for Indian domestic travel optimization. Uses two-stage sequential training: first on 4,749 Phase 1 synthetic pairs (domain knowledge), then on 449 Phase 2 agent reasoning traces (complex reasoning patterns).

Part of the pivotai project. The curriculum hypothesis was that domain knowledge should precede complex reasoning patterns — similar to how students learn fundamentals before advanced topics. Results revealed an interesting trade-off: the model achieved the highest grounding accuracy (88%) and best red-team robustness (60%) of the three variants, but the Phase 2 training stage catastrophically disrupted structured JSON output (10.9% validity).

Model Details

Property	Value
Base model	unsloth/Meta-Llama-3.1-8B
Training method	QLoRA r=8, α=16, dropout=0.05 (2-stage)
Stage 1 data	4,749 pairs (Phase 1 synthetic) — 424 steps
Stage 2 data	449 pairs (Phase 2 agent traces) — 171 steps
Final train loss	0.313 (Stage 2)
Hardware	Lightning.ai A100 (bf16, seq_len=16384)
Format	GGUF Q4_K_M (4.6 GB)

Evaluation Results (92 test cases)

Metric	Score	Target	✓/✗
JSON valid	10.9%	85%	✗
Savings found	—	70%	—
Schema compliance	0.0%	80%	✗
BERTScore F1	0.734	0.70	✓
Intent alignment	0.418	0.55	✗
Grounding accuracy	0.880	0.60	✓
Reasoning coherence	0.470	0.65	✗
Red-team pass	60.0%	80%	✗

Notable: Despite near-zero JSON validity, grounding accuracy (0.88) nearly matches pivotai-ft (0.895). The model has absorbed real-world knowledge about Indian cities and travel patterns — it simply cannot format the output as valid JSON after Phase 2 training overwrote structured-output behavior.

Recommendation: Use with JSON-constrained decoding (llama.cpp --grammar, Outlines, or similar) to recover structured output. The underlying knowledge is strong.

Usage with Ollama

ollama create pivotai-curriculum -f Modelfile.curriculum
ollama run pivotai-curriculum

Note: Due to low JSON validity in standard inference, consider using grammar-constrained decoding for reliable structured output.

Limitations

• JSON validity is 10.9% — standard inference rarely produces valid JSON. Use grammar-constrained decoding.
• The Phase 2 curriculum stage appears to have overwritten Phase 1 structured-output training — a known curriculum learning failure mode.
• Despite strong semantic knowledge, the model cannot be used without output post-processing.

Citation

If you use this model, please cite:

Patnaik, A. V. S. (2026). Cost-Matched Data Generation for LLM Fine-Tuning: Comparing
Supervised Fine-Tuning, Knowledge Distillation, and Curriculum Learning for an Agentic
Travel-Planning System. Zenodo. https://doi.org/10.5281/zenodo.21198884