MiniCPM5-1B PT-BR v3 (instruct)
Brazilian Portuguese instruct model built from openbmb/MiniCPM5-1B-Base:
- QLoRA continued pretraining on Portuguese Wikipedia
- Harness-aligned Open PT SFT (41k examples, assistant-only loss)
- LoRA merge to full weights
No WhatsApp or client data.
Open Portuguese LLM Leaderboard (local eval, not submitted)
| Task | Base | v3 |
|---|---|---|
| ENEM | 2.9% | 37.7% |
| BLUEX | 4.2% | 34.2% |
| OAB | 3.2% | 31.8% |
| ASSIN RTE | 68.3% | 71.3% |
| ASSIN STS | 40.5% | 48.0% |
| FaQuAD NLI | 54.6% | 58.9% |
| HateBR | 75.1% | 76.1% |
| Hate Speech | 56.0% | 56.1% |
| TweetSentBR | 42.6% | 41.7% |
| Average | 38.6% | 50.7% |
Reference: meta-llama/Meta-Llama-3.1-8B-Instruct scores 70.2% on the same suite.
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Base model
openbmb/MiniCPM5-1B-Base