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--- |
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library_name: transformers |
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tags: |
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- unsloth |
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- trl |
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- sft |
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--- |
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### Model detail |
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No system prompt training\ |
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LoRA training rank 64 and alpha 128\ |
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Tool calling support |
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### Usage: |
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``` |
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from transformers import AutoModelForCausalLM, AutoTokenizer |
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import torch |
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MAX_REASONING_TOKENS = 4096 |
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MAX_RESPONSE_TOKENS = 1024 |
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model_name = "beyoru/ThinkAgain1.6-S2" |
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model = AutoModelForCausalLM.from_pretrained(model_name, torch_dtype=torch.float16, device_map="auto") |
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tokenizer = AutoTokenizer.from_pretrained(model_name) |
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messages = [] |
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def stream_output(output_text): |
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for char in output_text: |
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print(char, end="", flush=True) |
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while True: |
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prompt = input("USER: ") |
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messages.append({"role": "user", "content": prompt}) |
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# Generate reasoning |
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reasoning_template = tokenizer.apply_chat_template(messages, tokenize=False, add_reasoning_prompt=True) |
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reasoning_inputs = tokenizer(reasoning_template, return_tensors="pt").to(model.device) |
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reasoning_ids = model.generate(**reasoning_inputs, max_new_tokens=MAX_REASONING_TOKENS) |
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reasoning_output = tokenizer.decode(reasoning_ids[0, reasoning_inputs.input_ids.shape[1]:], skip_special_tokens=True) |
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messages.append({"role": "reasoning", "content": reasoning_output}) |
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print("REASONING: ", end="") |
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stream_output(reasoning_output) |
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print() |
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# Generate answer |
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response_template = tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True) |
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response_inputs = tokenizer(response_template, return_tensors="pt").to(model.device) |
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response_ids = model.generate(**response_inputs, max_new_tokens=MAX_RESPONSE_TOKENS) |
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response_output = tokenizer.decode(response_ids[0, response_inputs.input_ids.shape[1]:], skip_special_tokens=True) |
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messages.append({"role": "assistant", "content": response_output}) |
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print("ASSISTANT: ", end="") |
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stream_output(response_output) |
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print() |
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``` |