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初始化项目，由ModelHub XC社区提供模型 Model: Polygl0t/Tucano2-qwen-3.7B-Base Source: Original Platform
2026-05-25 19:22:52 +08:00
---
language:
- pt
license: apache-2.0
library_name: transformers
tags:
- text-generation-inference
datasets:
- Polygl0t/gigaverbo-v2
- Polygl0t/gigaverbo-v2-synth
metrics:
- perplexity
pipeline_tag: text-generation
widget:
- text: "A floresta da Amazônia é conhecida por sua"
example_title: Exemplo
- text: "Uma das coisas que Portugal, Angola, Brasil e Moçambique tem em comum é o"
example_title: Exemplo
- text: "O Carnaval do Rio de Janeiro é"
example_title: Exemplo
inference:
parameters:
repetition_penalty: 1.2
temperature: 0.1
top_k: 50
top_p: 1.0
max_new_tokens: 150
co2_eq_emissions:
emissions: 86000
source: CodeCarbon
training_type: pre-training
geographical_location: Germany
hardware_used: NVIDIA A100-SXM4-80GB
model-index:
- name: Tucano2-qwen-3.7B-Base
results:
- task:
type: text-generation
name: Text Generation
dataset:
name: ARC Challenge
type: Polygl0t/ARC-poly
split: test
args:
num_few_shot: 5
metrics:
- type: acc_norm
value: 57.78
name: Acc-norm
source:
url: https://github.com/Polygl0t/lm-evaluation-harness/tree/polyglot_harness_portuguese
name: arc_challenge_poly_pt
- task:
type: text-generation
name: Text Generation
dataset:
name: HellaSwag
type: Polygl0t/HellaSwag-poly
split: validation
args:
num_few_shot: 5
metrics:
- type: acc_norm
value: 65.32
name: Acc-norm
source:
url: https://github.com/Polygl0t/lm-evaluation-harness/tree/polyglot_harness_portuguese
name: hellaswag_poly_pt
- task:
type: text-generation
name: Text Generation
dataset:
name: Calame
type: Polygl0t/CALAME-PT
split: test
args:
num_few_shot: 5
metrics:
- type: acc
value: 61.08
name: Acc
source:
url: https://github.com/Polygl0t/lm-evaluation-harness/tree/polyglot_harness_portuguese
name: calame_pt
- task:
type: text-generation
name: Text Generation
dataset:
name: Lambada
type: Polygl0t/LAMBADA-poly
split: test
args:
num_few_shot: 5
metrics:
- type: acc
value: 62.53
name: Acc
source:
url: https://github.com/Polygl0t/lm-evaluation-harness/tree/polyglot_harness_portuguese
name: lambada_pt
- task:
type: text-generation
name: Text Generation
dataset:
name: Global PIQA
type: mrlbenchmarks/global-piqa-nonparallel
split: test
args:
num_few_shot: 5
metrics:
- type: acc_norm
value: 83
name: Acc-norm
source:
url: https://github.com/Polygl0t/lm-evaluation-harness/tree/polyglot_harness_portuguese
name: global_piqa_completions_por_latn_braz
- task:
type: text-generation
name: Text Generation
dataset:
name: MMLU
type: Polygl0t/MMLU-poly
split: test
args:
num_few_shot: 5
metrics:
- type: acc
value: 65.4
name: Acc
source:
url: https://github.com/Polygl0t/lm-evaluation-harness/tree/polyglot_harness_portuguese
name: mmlu_poly_pt
- task:
type: text-generation
name: Text Generation
dataset:
name: BELEBELE
type: facebook/belebele
split: test
args:
num_few_shot: 5
metrics:
- type: acc_norm
value: 83.67
name: Acc-norm
source:
url: https://github.com/Polygl0t/lm-evaluation-harness/tree/polyglot_harness_portuguese
name: belebele_por_Latn
- task:
type: text-generation
name: Text Generation
dataset:
name: BLUEX
type: eduagarcia-temp/BLUEX_without_images
split: train
args:
num_few_shot: 3
metrics:
- type: acc
value: 66.2
name: Acc
source:
url: https://github.com/eduagarcia/lm-evaluation-harness-pt
name: bluex
- task:
type: text-generation
name: Text Generation
dataset:
name: ENEM Challenge
type: eduagarcia/enem_challenge
split: train
args:
num_few_shot: 3
metrics:
- type: acc
value: 77.54
name: Acc
source:
url: https://github.com/eduagarcia/lm-evaluation-harness-pt
name: enem_challenge
- task:
type: text-generation
name: Text Generation
dataset:
name: OAB Exams
type: eduagarcia/oab_exams
split: train
args:
num_few_shot: 3
metrics:
- type: acc
value: 58.45
name: Acc
source:
url: https://github.com/eduagarcia/lm-evaluation-harness-pt
name: oab_exams
base_model: Qwen/Qwen3-4B-Base
---
# Tucano2-qwen-3.7B-Base
<img src="./logo.png" alt="An illustration of a Tucano bird showing vibrant colors like yellow, orange, blue, green, and black." height="200">
## Model Summary
**[Tucano2-qwen-3.7B-Base](https://huggingface.co/Polygl0t/Tucano2-qwen-3.7B-Base)** is a decoder-only transformer continually pretrained from [Qwen3-4B-Base](https://huggingface.co/Qwen/Qwen3-4B-Base). Tucano2 is part of the [Polygl0t](https://huggingface.co/Polygl0t) initiative, which aims to advance language models for low-resource languages.
Tucano2-qwen-3.7B-Base shares the same tokenizer as **[Tucano2-0.6B-Base](https://huggingface.co/Polygl0t/Tucano2-0.6B-Base)**. Token embedding transplantation via _Orthogonal Matching Pursuit_ was used to adapt Qwen3-4B-Base to be more sensitive to the lexical, morphological, and orthographic properties of Portuguese.
The model was continually pretrained on approximately 50 billion tokens and achieves state-of-the-art performance across several benchmarks designed to evaluate Portuguese language models. **All data, source code, and recipes used to develop the Tucano2 series are open and fully reproducible.**
## Details
- **Architecture:** a Transformer-based model ([`qwen3`](https://huggingface.co/docs/transformers/main/en/model_doc/qwen3))
- **Size:** 3,759,341,056 parameters
- **Context length:** 4,096 tokens
- **Dataset(s):**
- [Polygl0t/gigaverbo-v2](https://huggingface.co/datasets/Polygl0t/gigaverbo-v2)
- [Polygl0t/gigaverbo-v2-synth](https://huggingface.co/datasets/Polygl0t/gigaverbo-v2-synth)
- **Language(s):** Portuguese
- **Batch size:** 1,048,576 tokens
- **Number of steps:** 50,000
- **GPU:** 8 NVIDIA A100-SXM4-80GB
- **Training time**: ~ 303 hours
- **Emissions:** 466 KgCO2 (Germany)
- **Total energy consumption:** 1223 kWh
This repository has the [source code](https://github.com/Polygl0t/llm-foundry) used to train this model. The full configuration used for training is available in the following config file:
- Single stage (linear warmup with cosine decay): [training_config.yaml](training_config.yaml)
### Checkpoints
Checkpoints were saved every 2,500 steps, which equates to approximately 2.5 billion tokens. The main branch of this repository contains the final checkpoint saved at step 50000. All other checkpoints are available as separate branches. To load a specific checkpoint, you can use the following code snippet:
```python
from transformers import AutoModelForCausalLM, AutoTokenizer
model_id = "Polygl0t/Tucano2-qwen-3.7B-Base"
revision = "step-2500" # Change this to the desired checkpoint branch
tokenizer = AutoTokenizer.from_pretrained(model_id)
model = AutoModelForCausalLM.from_pretrained(model_id, revision=revision)
```
Or, you can access all the revisions for the models via the following code snippet:
```python
from huggingface_hub import list_repo_refs
out = list_repo_refs("Polygl0t/Tucano2-qwen-3.7B-Base")
branches = [b.name for b in out.branches]
print(branches)
```
<details>
<summary><b>Learning Curves</b></summary>
![Learning Curves](./.plots/learning_curve.png)
This plot illustrates the evolution of model performance (measured by loss) as a function of training time, measured in tokens seen during training
</details>
<details>
<summary><b>Gradient Norms (L2)</b></summary>
![Gradient Norms](./.plots/gradient_norm.png)
This plot illustrates the evolution of gradient norms as a function of training time, measured in tokens seen during training.
</details>
## Intended Uses
The primary intended use of Tucano2-qwen-3.7B-Base is to serve as a foundation for research and development involving Portuguese language modeling. Checkpoints saved during training are designed to provide a controlled setting for performing comparative experiments, specifically regarding the effects of continual pretraining on the performance of currently available benchmarks. You may also fine-tune and adapt Tucano2-qwen-3.7B-Base for deployment if your use follows the Apache 2.0 license. If you decide to use Tucano2-qwen-3.7B-Base as a basis for your fine-tuned model, please conduct your own risk and bias assessment.
## Out-of-scope Use
- Tucano2-qwen-3.7B-Base is **not intended for deployment**. It is not an out-of-the-box product and should not be used for human-facing interactions.
- Tucano2-qwen-3.7B-Base is for **the Portuguese language only** and is unsuitable for text generation tasks in other languages.
- Tucano2-qwen-3.7B-Base has **not been fine-tuned** for downstream tasks.
## Basic usage
```python
from transformers import GenerationConfig, TextGenerationPipeline, AutoTokenizer, AutoModelForCausalLM
import torch
# Specify the model and tokenizer
model_id = "Polygl0t/Tucano2-qwen-3.7B-Base"
tokenizer = AutoTokenizer.from_pretrained(model_id)
model = AutoModelForCausalLM.from_pretrained(model_id)
# Specify the generation parameters as you like
generation_config = GenerationConfig(
**{
"do_sample": True,
"max_new_tokens": 150,
"renormalize_logits": True,
"repetition_penalty": 1.2,
"temperature": 0.1,
"top_k": 50,
"top_p": 1.0,
"use_cache": True,
}
)
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
generator = TextGenerationPipeline(model=model, task="text-generation", tokenizer=tokenizer, device=device)
# Generate text
prompt = "# A floresta da Amazônia: um lugar de Magia\n\n"
completion = generator(prompt, generation_config=generation_config)
print(completion[0]['generated_text'])
```
## Limitations
As almost all other language models trained on large text datasets scraped from the web, the Tucano2-qwen-3.7B-Base shows behavior that does not make it an out-of-the-box solution to many real-world applications, especially those requiring factual, reliable, and nontoxic text generation. Tucano2-qwen-3.7B-Base is subject to the following:
- **Hallucinations:** Tucano2-qwen-3.7B-Base can produce content that can be mistaken as facts, but is misleading or entirely false, i.e., hallucinations.
- **Biases and Toxicity:** Tucano2-qwen-3.7B-Base inherits the social and historical stereotypes from the data used to train it. Given these biases, the model can produce toxic content, i.e., harmful, offensive, or detrimental to individuals, groups, or communities.
- **Language Limitations:** Tucano2-qwen-3.7B-Base is primarily designed to interact with Portuguese. Other languages might challenge its comprehension, leading to potential misinterpretations or errors in response.
- **Repetition and Verbosity:** Tucano2-qwen-3.7B-Base may get stuck on repetition loops (especially if the repetition penalty during generations is set to a meager value) or produce verbose responses unrelated to the prompt it was given.
Hence, even though Tucano2-qwen-3.7B-Base is released under a permissive license, we urge users to perform their own risk analysis before using it for real-world applications.
## Evaluations
The table below compares the Tucano2 series against other base models of similar size. We divide our evaluations into two sets:
- **Easy Set**: CALAME, GlobalPIQA, LAMBADA, ARC-Challenge, HellaSwag
- **Hard Set**: ENEM, BLUEX, OAB Exams, BELEBELE, MMLU
The NPM (Normalized Performance Metric) provides a balanced view of model performance across tasks, accounting for each task's inherent difficulty by normalizing its evaluation score relative to its random baseline.
| | Total Avg. | Easy Set (NPM) | Hard Set (NPM) |
| -------------------------- | ---------- | -------------- | -------------- |
| **Tucano2-qwen-3.7B-Base** | 59.21 | 57.41 | 61 |
| Qwen2.5-7B | 57.97 | 54.12 | 61.83 |
| Qwen3-4B-Base | 57.86 | 52.52 | 63.2 |
| SmolLM3-3B-Base | 50.25 | 54.06 | 46.44 |
| Qwen2.5-3B | 50.16 | 47.69 | 52.62 |
| **Tucano2-qwen-1.5B-Base** | 47.9 | 47.97 | 47.82 |
| Curio-edu-7b | 45.66 | 57.46 | 33.87 |
| Qwen3-1.7B-Base | 44.48 | 40.94 | 48.03 |
| Curio-7b | 42.79 | 58.97 | 26.6 |
| Llama-3.2-3B | 40.5 | 43.79 | 37.21 |
| granite-3.3-2b-base | 39.97 | 45.31 | 34.63 |
| **Tucano2-qwen-0.5B-Base** | 35.36 | 39.93 | 30.79 |
| Qwen3-0.6B-Base | 29.4 | 26.41 | 32.38 |
| Llama-2-7b-hf | 29.36 | 42.69 | 16.03 |
| **Tucano2-0.6B-Base** | 20.64 | 40.28 | 0.99 |
| Qwen2.5-0.5B | 19.89 | 18.7 | 21.09 |
| Curio-1.1b | 19.23 | 39.16 | -0.69 |
| Tucano-2b4 | 17.88 | 33.55 | 2.2 |
| Curio-edu-1b1 | 17.72 | 34.77 | 0.67 |
| Llama-3.2-1B | 16.57 | 28.32 | 4.83 |
| Tucano-1b1 | 15.44 | 29.12 | 1.76 |
| Tucano-630m | 14.9 | 26.99 | 2.8 |
| Carvalho_pt-gl-1.3B | 12.54 | 26.75 | -1.66 |
| TeenyTinyLlama-460m | 11.18 | 19.65 | 2.72 |
| Tucano-160m | 8.78 | 19.12 | -1.56 |
| TeenyTinyLlama-160m | 7.72 | 15.75 | -0.31 |
| GlorIA-1.3B | 5.93 | 27.27 | -15.42 |
<details>
<summary><b>Evaluation Suite</b></summary>
| **Benchmark** | **n-shot** | **Type** | **Baseline** | **Metric** |
| --------------- | ---------- | ------------------ | ------------ | ---------- |
| **Easy Set** | | | | |
| CALAME | 5-shot | Completion | 0 | `acc` |
| GlobalPIQA | 5-shot | Completion | 50 | `acc_norm` |
| LAMBADA | 5-shot | Completion | 0 | `acc` |
| ARC-Challenge | 5-shot | MC-Q&A | 25 | `acc_norm` |
| HellaSwag | 5-shot | Completion | 25 | `acc_norm` |
| **Hard Set** | | | | |
| ENEM           | 3-shot     | MC-Q&A             | 20           | `acc` |
| BLUEX           | 3-shot     | MC-Q&A             | 22.5         | `acc` |
| OAB Exams       | 3-shot     | MC-Q&A             | 25           | `acc` |
| BELEBELE | 5-shot | MC-Q&A | 25 | `acc_norm` |
| MMLU | 5-shot | MC-Q&A | 25 | `acc` |
</details>
<details>
<summary><b>Individual Benchmarks</b></summary>
| | BLUEX | ENEM | OAB | ARC Challenge | BELEBELE | CALAME | Global PIQA | HellaSwag | LAMBADA | MMLU |
| -------------------------- | ----- | ----- | ----- | ------------- | -------- | ------ | ----------- | --------- | ------- | ----- |
| **Tucano2-qwen-3.7B-Base** | 66.2 | 77.54 | 58.45 | 57.78 | 83.67 | 61.08 | 83 | 65.32 | 62.53 | 65.4 |
| Qwen2.5-7B | 65.92 | 75.02 | 55.03 | 54.19 | 89.67 | 58.96 | 78 | 67.92 | 59.52 | 68.55 |
| Qwen3-4B-Base | 69.96 | 77.61 | 55.58 | 54.53 | 87.89 | 57.95 | 77 | 63.19 | 60.37 | 68.59 |
| SmolLM3-3B-Base | 54.52 | 61.37 | 45.51 | 51.37 | 77.67 | 59.15 | 81 | 65.57 | 59.89 | 56.19 |
| Qwen2.5-3B | 58.28 | 67.32 | 50.34 | 45.21 | 83.22 | 58.38 | 75 | 59.44 | 57.17 | 59.79 |
| **Tucano2-qwen-1.5B-Base** | 55.91 | 68.72 | 48.29 | 48.21 | 74 | 59.06 | 77 | 56.25 | 54.2 | 54.04 |
| Curio-edu-7b | 47.15 | 58.64 | 43.78 | 50.94 | 53 | 60.79 | 86 | 66.48 | 64.62 | 45.14 |
| Qwen3-1.7B-Base | 57.16 | 65.22 | 45.79 | 47.18 | 77.89 | 53.56 | 67 | 52.55 | 50.81 | 55.49 |
| Curio-7b | 43.39 | 50.59 | 39.68 | 48.03 | 45.33 | 63.44 | 89 | 67.58 | 65.94 | 40.83 |
| Llama-3.2-3B | 50.35 | 53.04 | 39.45 | 41.11 | 68.89 | 54.48 | 69 | 59.14 | 59.48 | 48.28 |
| granite-3.3-2b-base | 45.34 | 54.02 | 39.54 | 41.37 | 65.67 | 58.77 | 70 | 60.81 | 58.22 | 45.63 |
| **Tucano2-qwen-0.5B-Base** | 46.87 | 55.14 | 40.36 | 37.44 | 53.89 | 58.67 | 74 | 48.43 | 45.14 | 39.68 |
| Qwen3-0.6B-Base | 42.98 | 49.48 | 40.46 | 36.92 | 65 | 45.95 | 54 | 40.33 | 41.78 | 43.54 |
| Llama-2-7b-hf | 31.29 | 31.77 | 35.49 | 42.14 | 41.44 | 54.53 | 67 | 56.76 | 59.73 | 38.64 |
| **Tucano2-0.6B-Base** | 21.14 | 23.58 | 23.28 | 37.01 | 26.22 | 57.61 | 79 | 47.74 | 39.45 | 27.18 |
| Qwen2.5-0.5B | 32.55 | 38.91 | 35.9 | 28.46 | 49.56 | 44.89 | 44 | 37.7 | 39.08 | 41.17 |
| Curio-1.1b | 21.56 | 21.06 | 23.1 | 30.43 | 22.89 | 59.25 | 75 | 49.45 | 46.69 | 26.35 |
| Tucano-2b4 | 25.45 | 21.62 | 26.74 | 30.43 | 25.89 | 50.34 | 73 | 48.85 | 32.39 | 26.24 |
| Curio-edu-1b1 | 23.5 | 19.87 | 25.01 | 32.22 | 26.22 | 54.91 | 69 | 46.3 | 42.93 | 25.43 |
| Llama-3.2-1B | 24.06 | 23.93 | 26.06 | 31.71 | 33.33 | 50 | 55 | 45.27 | 45.6 | 28.51 |
| Tucano-1b1 | 25.45 | 21.55 | 26.38 | 30.09 | 25.67 | 48.94 | 68 | 44.1 | 28.43 | 25.26 |
| Tucano-630m | 26.7 | 21.69 | 26.92 | 28.72 | 27.33 | 47.3 | 68 | 40.37 | 26.2 | 25.6 |
| Carvalho_pt-gl-1.3B | 19.33 | 18.12 | 22.32 | 27.01 | 26.44 | 53.42 | 63 | 38.53 | 33.59 | 24.82 |
| TeenyTinyLlama-460m | 25.87 | 20.15 | 27.02 | 27.35 | 28.11 | 42.49 | 59 | 34.81 | 21.56 | 26.65 |
| Tucano-160m | 24.76 | 20.57 | 17.22 | 25.56 | 23.44 | 43.59 | 59 | 33.73 | 21.64 | 25.77 |
| TeenyTinyLlama-160m | 22.53 | 18.89 | 22.32 | 24.02 | 26.78 | 39.79 | 58 | 29.89 | 17.74 | 25.74 |
| GlorIA-1.3B | 4.31 | 2.52 | 4.69 | 26.41 | 22.78 | 54.67 | 64 | 36.35 | 36.68 | 23.69 |
</details>
## Performance and Compute
Below, we display the performance of Tucano2-qwen-3.7B-Base across all benchmarks in our evaluation suite. Tucano2-qwen-3.7B-Base is compared with Qwen3-4B-Base, the base model from which they were continually pretrained. The percentage variation in performance is displayed in terms of the difference in evaluation scores between the Base and the Continually Pretrained model.
All individual benchmark scores and their evolution across training time can be found in the [.plots](https://huggingface.co/Polygl0t/Tucano2-qwen-3.7B-Base/tree/main/.plots/) folder.
**Before and After Continual Pretraining**
![Performance Before and After Continual Pretraining](./.plots/before_and_after.png)
This plot compares the compute requirements (measured as C = 6 \* N \* D, where N is the number of parameters and D is the number of tokens processed) against the performance of each model (measured by the NPM score).
![NPM vs Compute](./.plots/performance_vs_compute.png)
<details>
<summary><b>Performance and Compute Details</b></summary>
| | Parameters (B) | Pretraining Tokens (B) | Continual Pretraining Tokens (B) | Total Tokens (B) | Pretraining Compute (FLOPs) | Continual Pretraining Compute (FLOPs) | Total Compute (FLOPs) | NPM Score |
|----------------------------|----------------|------------------------|----------------------------------|------------------|-----------------------------|---------------------------------------|-----------------------|-----------|
| **Tucano2-qwen-3.7B-Base** | 3.7 | 36000 | 50 | 36050 | 8.64e+23 | 1.11e+21 | 8.65e+23 | 59.2 |
| Qwen2.5-7B | 7 | 18000 | - | 18000 | 7.56e+23 | - | 7.56e+23 | 57.97 |
| Qwen3-4B-Base | 4 | 36000 | - | 36000 | 8.64e+23 | - | 8.64e+23 | 57.86 |
| SmolLM3-3B-Base | 3 | 11200 | - | 11200 | 2.02e+23 | - | 2.02e+23 | 50.25 |
| Qwen2.5-3B | 3 | 18000 | - | 18000 | 3.24e+23 | - | 3.24e+23 | 50.15 |
| **Tucano2-qwen-1.5B-Base** | 1.5 | 36000 | 100 | 36100 | 3.67e+23 | 9e+20 | 3.68e+23 | 47.89 |
| Curio-edu-7b | 7 | 2000 | 20 | 2020 | 8.4e+22 | 8.4e+20 | 8.48e+22 | 45.66 |
| Qwen3-1.7B-Base | 1.7 | 36000 | - | 36000 | 3.67e+23 | - | 3.67e+23 | 44.48 |
| Curio-7b | 7 | 2000 | 150 | 2150 | 8.4e+22 | 6.3e+21 | 9.03e+22 | 42.78 |
| Llama-3.2-3B | 3 | 9000 | - | 9000 | 1.62e+23 | - | 1.62e+23 | 40.5 |
| granite-3.3-2b-base | 2 | 12000 | - | 12000 | 1.44e+23 | - | 1.44e+23 | 39.96 |
| **Tucano2-qwen-0.5B-Base** | 0.5 | 36000 | 50 | 36050 | 1.3e+23 | 1.5e+20 | 1.3e+23 | 35.35 |
| Qwen3-0.6B-Base | 0.6 | 36000 | - | 36000 | 1.3e+23 | - | 1.3e+23 | 29.39 |
| Llama-2-7b-hf | 7 | 2000 | - | 2000 | 8.4e+22 | - | 8.4e+22 | 29.36 |
| **Tucano2-0.6B-Base** | 0.6 | 408 | - | 408 | 1.47e+21 | - | 1.47e+21 | 20.63 |
| Qwen2.5-0.5B | 0.5 | 18000 | - | 18000 | 5.4e+22 | - | 5.4e+22 | 19.89 |
| Curio-1.1b | 1.1 | 1000 | 150 | 1150 | 6.6e+21 | 9.9e+20 | 7.59e+21 | 19.23 |
| Tucano-2b4 | 2.4 | 515 | - | 515 | 7.42e+21 | - | 7.42e+21 | 17.87 |
| Curio-edu-1b1 | 1.1 | 1000 | 20 | 1020 | 6.6e+21 | 1.32e+20 | 6.73e+21 | 17.72 |
| Llama-3.2-1B | 1 | 9000 | - | 9000 | 5.4e+22 | - | 5.4e+22 | 16.57 |
| Tucano-1b1 | 1.1 | 250 | - | 250 | 1.65e+21 | - | 1.65e+21 | 15.44 |
| Tucano-630m | 0.63 | 211 | - | 211 | 7.98e+20 | - | 7.98e+20 | 14.89 |
| Carvalho_pt-gl-1.3B | 1.3 | 26 | 5 | 31 | 2.03e+20 | 3.9e+19 | 2.42e+20 | 12.54 |
| TeenyTinyLlama-460m | 0.46 | 6.2 | - | 6.2 | 1.71e+19 | - | 1.71e+19 | 11.18 |
| Tucano-160m | 0.16 | 169 | - | 169 | 1.62e+20 | - | 1.62e+20 | 8.78 |
| TeenyTinyLlama-160m | 0.16 | 6.2 | - | 6.2 | 5.95e+18 | - | 5.95e+18 | 7.71 |
| GlorIA-1.3B | 1.3 | 35 | - | 35 | 2.73e+20 | - | 2.73e+20 | 5.92 |
</details>
## Cite as 🤗
```latex
@misc{correa2026tucano2cool,
title={{Tucano 2 Cool: Better Open Source LLMs for Portuguese}},
author={Nicholas Kluge Corr{\^e}a and Aniket Sen and Shiza Fatimah and Sophia Falk and Lennard Landgraf and Julia Kastner and Lucie Flek},
year={2026},
eprint={2603.03543},
archivePrefix={arXiv},
primaryClass={cs.CL},
url={https://arxiv.org/abs/2603.03543},
}
```
## Aknowlegments
Polyglot is a project funded by the Federal Ministry of Education and Research (BMBF) and the Ministry of Culture and Science of the State of North Rhine-Westphalia (MWK) as part of TRA Sustainable Futures (University of Bonn) and the Excellence Strategy of the federal and state governments.
We also gratefully acknowledge the granted access to the [Marvin cluster](https://www.hpc.uni-bonn.de/en/systems/marvin) hosted by [University of Bonn](https://www.uni-bonn.de/en) along with the support provided by its High Performance Computing & Analytics Lab.
## License
Tucano2-qwen-3.7B-Base is licensed under the Apache License, Version 2.0. For more details, see the [LICENSE](LICENSE) file.
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