Text Generation
Transformers
ONNX
Safetensors
English
qwen2
text-generation-inference
Reasoner
cot
conversational
Instructions to use prithivMLmods/FastThink-0.5B-Tiny with libraries, inference providers, notebooks, and local apps. Follow these links to get started.
- Libraries
- Transformers
How to use prithivMLmods/FastThink-0.5B-Tiny with Transformers:
# Use a pipeline as a high-level helper from transformers import pipeline pipe = pipeline("text-generation", model="prithivMLmods/FastThink-0.5B-Tiny") messages = [ {"role": "user", "content": "Who are you?"}, ] pipe(messages)# pip install -U transformers accelerate # Load model directly from transformers import AutoTokenizer, AutoModelForCausalLM tokenizer = AutoTokenizer.from_pretrained("prithivMLmods/FastThink-0.5B-Tiny") model = AutoModelForCausalLM.from_pretrained("prithivMLmods/FastThink-0.5B-Tiny", device_map="auto") 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=256) print(tokenizer.decode(outputs[0][inputs["input_ids"].shape[-1]:])) - Notebooks
- Google Colab
- Kaggle
- Local Apps Settings
- vLLM
How to use prithivMLmods/FastThink-0.5B-Tiny with vLLM:
Install from pip and serve model
# Install vLLM from pip: pip install vllm # Start the vLLM server: vllm serve "prithivMLmods/FastThink-0.5B-Tiny" # Call the server using curl (OpenAI-compatible API): curl -X POST "http://localhost:8000/v1/chat/completions" \ -H "Content-Type: application/json" \ --data '{ "model": "prithivMLmods/FastThink-0.5B-Tiny", "messages": [ { "role": "user", "content": "What is the capital of France?" } ] }'Use Docker
docker model run hf.co/prithivMLmods/FastThink-0.5B-Tiny
- SGLang
How to use prithivMLmods/FastThink-0.5B-Tiny 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 "prithivMLmods/FastThink-0.5B-Tiny" \ --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": "prithivMLmods/FastThink-0.5B-Tiny", "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 "prithivMLmods/FastThink-0.5B-Tiny" \ --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": "prithivMLmods/FastThink-0.5B-Tiny", "messages": [ { "role": "user", "content": "What is the capital of France?" } ] }' - Docker Model Runner
How to use prithivMLmods/FastThink-0.5B-Tiny with Docker Model Runner:
docker model run hf.co/prithivMLmods/FastThink-0.5B-Tiny
Update README.md
Browse files
README.md
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@@ -23,6 +23,45 @@ FastThink-0.5B-Tiny is a reasoning-focused model based on Qwen2.5. We have relea
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**Architecture**: Transformers with RoPE, SwiGLU, RMSNorm, Attention QKV bias, and tied word embeddings.
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# **Dataset Preparation**
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This script is designed to load, process, and combine multiple datasets into a single, standardized format suitable for training conversational AI models. The script uses the `datasets` library to load and manipulate the datasets, and the `chat_templates` library to standardize the conversation format.
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# Print the first few examples to verify the output
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print(combined_dataset[:50000])
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**Architecture**: Transformers with RoPE, SwiGLU, RMSNorm, Attention QKV bias, and tied word embeddings.
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# **Quickstart with Transformer**
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Here provides a code snippet with `apply_chat_template` to show you how to load the tokenizer and model and how to generate contents.
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```python
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from transformers import AutoModelForCausalLM, AutoTokenizer
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model_name = "prithivMLmods/FastThink-0.5B-Tiny"
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model = AutoModelForCausalLM.from_pretrained(
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model_name,
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torch_dtype="auto",
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device_map="auto"
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)
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tokenizer = AutoTokenizer.from_pretrained(model_name)
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prompt = "Give me a short introduction to large language model."
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messages = [
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{"role": "system", "content": "You are Qwen, created by Alibaba Cloud. You are a helpful assistant."},
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{"role": "user", "content": prompt}
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]
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text = tokenizer.apply_chat_template(
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messages,
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tokenize=False,
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add_generation_prompt=True
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)
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model_inputs = tokenizer([text], return_tensors="pt").to(model.device)
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generated_ids = model.generate(
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**model_inputs,
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max_new_tokens=512
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)
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generated_ids = [
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output_ids[len(input_ids):] for input_ids, output_ids in zip(model_inputs.input_ids, generated_ids)
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]
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response = tokenizer.batch_decode(generated_ids, skip_special_tokens=True)[0]
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```
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# **Dataset Preparation**
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This script is designed to load, process, and combine multiple datasets into a single, standardized format suitable for training conversational AI models. The script uses the `datasets` library to load and manipulate the datasets, and the `chat_templates` library to standardize the conversation format.
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# Print the first few examples to verify the output
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print(combined_dataset[:50000])
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```
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# **Intended Use**
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1. **Reasoning Tasks**: FastThink-0.5B-Tiny is optimized for reasoning-focused applications, such as logical problem-solving, decision-making, and analytical workflows.
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2. **Instruction Following**: Ideal for scenarios where precise adherence to instructions is required, including generating structured outputs like JSON or tables.
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3. **Multilingual Support**: Suitable for use in multilingual environments, supporting over 29 languages, making it versatile for global applications.
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4. **Coding and Mathematics**: Highly effective in tasks involving coding, debugging, or solving mathematical problems, leveraging expert domain knowledge.
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5. **Role-play Scenarios**: Can simulate conversational agents or personas for role-playing, enhancing chatbot and virtual assistant implementations.
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6. **Long-form Content Creation**: Designed to generate and manage long-form text (up to 8K tokens) while maintaining context, making it ideal for tasks like report writing or storytelling.
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7. **Understanding and Processing Structured Data**: Efficient at interpreting and working with structured data, such as tables or hierarchical formats.
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8. **Low-Resource Applications**: With a smaller parameter size (0.5B), it is well-suited for applications with limited computational resources or edge deployment.
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# **Limitations**
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1. **Limited Model Size**: As a 0.5B-parameter model, its reasoning and comprehension capabilities are less advanced compared to larger models, particularly for highly complex tasks.
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2. **Contextual Limitations**: Although it supports a context length of up to 128K tokens, its ability to effectively utilize such a long context may vary, particularly in tasks requiring intricate cross-referencing of earlier inputs.
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3. **Accuracy in Domain-Specific Tasks**: While capable in coding and mathematics, it may struggle with highly specialized or esoteric domain knowledge compared to models fine-tuned specifically for those areas.
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4. **Ambiguity Handling**: May misinterpret vague or poorly structured prompts, leading to less accurate or unintended results.
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5. **Long-Context Tradeoffs**: Generating or processing very long outputs (e.g., close to the 8K token limit) could result in decreased coherence or relevance toward the end.
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6. **Multilingual Performance**: Although it supports 29 languages, its proficiency and fluency may vary across languages, with some underrepresented languages possibly seeing reduced performance.
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7. **Resource-Intensive for Long Contexts**: Using its long-context capabilities (128K tokens) can be computationally demanding, requiring significant memory and processing power.
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8. **Dependence on Fine-Tuning**: For highly specialized tasks or domains, additional fine-tuning may be necessary to achieve optimal performance.
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