Instructions to use open-thoughts/OpenThinkerAgent-8B-ColdStartSFTForRL with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use open-thoughts/OpenThinkerAgent-8B-ColdStartSFTForRL with Transformers:

# Use a pipeline as a high-level helper
from transformers import pipeline

pipe = pipeline("text-generation", model="open-thoughts/OpenThinkerAgent-8B-ColdStartSFTForRL")
messages = [
    {"role": "user", "content": "Who are you?"},
]
pipe(messages)

# Load model directly
from transformers import AutoTokenizer, AutoModelForMultimodalLM

tokenizer = AutoTokenizer.from_pretrained("open-thoughts/OpenThinkerAgent-8B-ColdStartSFTForRL")
model = AutoModelForMultimodalLM.from_pretrained("open-thoughts/OpenThinkerAgent-8B-ColdStartSFTForRL")
messages = [
    {"role": "user", "content": "Who are you?"},
]
inputs = tokenizer.apply_chat_template(
	messages,
	add_generation_prompt=True,
	tokenize=True,
	return_dict=True,
	return_tensors="pt",
).to(model.device)

outputs = model.generate(**inputs, max_new_tokens=40)
print(tokenizer.decode(outputs[0][inputs["input_ids"].shape[-1]:]))

Notebooks
Google Colab
Kaggle
Local Apps Settings

vLLM

How to use open-thoughts/OpenThinkerAgent-8B-ColdStartSFTForRL with vLLM:

Install from pip and serve model

# Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "open-thoughts/OpenThinkerAgent-8B-ColdStartSFTForRL"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "open-thoughts/OpenThinkerAgent-8B-ColdStartSFTForRL",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Use Docker

docker model run hf.co/open-thoughts/OpenThinkerAgent-8B-ColdStartSFTForRL

SGLang

How to use open-thoughts/OpenThinkerAgent-8B-ColdStartSFTForRL with SGLang:

Install from pip and serve model

# Install SGLang from pip:
pip install sglang
# Start the SGLang server:
python3 -m sglang.launch_server \
    --model-path "open-thoughts/OpenThinkerAgent-8B-ColdStartSFTForRL" \
    --host 0.0.0.0 \
    --port 30000
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:30000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "open-thoughts/OpenThinkerAgent-8B-ColdStartSFTForRL",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Use Docker images

docker run --gpus all \
    --shm-size 32g \
    -p 30000:30000 \
    -v ~/.cache/huggingface:/root/.cache/huggingface \
    --env "HF_TOKEN=<secret>" \
    --ipc=host \
    lmsysorg/sglang:latest \
    python3 -m sglang.launch_server \
        --model-path "open-thoughts/OpenThinkerAgent-8B-ColdStartSFTForRL" \
        --host 0.0.0.0 \
        --port 30000
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:30000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "open-thoughts/OpenThinkerAgent-8B-ColdStartSFTForRL",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Docker Model Runner
How to use open-thoughts/OpenThinkerAgent-8B-ColdStartSFTForRL with Docker Model Runner:
```
docker model run hf.co/open-thoughts/OpenThinkerAgent-8B-ColdStartSFTForRL
```

OpenThinkerAgent-8B-ColdStartSFTForRL / train_results.json

penfever

Clone content from laion/GLM-4_7-swesmith-sandboxes-with_tests-oracle_verified_120s-maxeps-131k

5f497cf verified 8 days ago

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	{
	"achieved_tflops_per_gpu": 5.143096781650618,
	"achieved_tflops_per_gpu_theoretical": 216.82589202068274,
	"epoch": 7.0,
	"loss_nan_ranks": 0,
	"loss_rank_avg": 0.07686486095190048,
	"mfu_percent": 0.5200300082558764,
	"mfu_percent_theoretical": 21.923750457096332,
	"total_flos": 2.65446196155043e+18,
	"train_loss": 0.30306281665335555,
	"train_runtime": 64515.1665,
	"train_samples_per_second": 1.024,
	"train_steps_per_second": 0.064,
	"valid_targets_mean": 6255.1,
	"valid_targets_min": 3251
	}