Text Generation
Transformers
Safetensors
English
Korean
lfm2
terminal
sft
vllm
tb2-lite
conversational
Instructions to use LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth with libraries, inference providers, notebooks, and local apps. Follow these links to get started.
- Libraries
- Transformers
How to use LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth with Transformers:
# Use a pipeline as a high-level helper from transformers import pipeline pipe = pipeline("text-generation", model="LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth") messages = [ {"role": "user", "content": "Who are you?"}, ] pipe(messages)# Load model directly from transformers import AutoTokenizer, AutoModelForCausalLM tokenizer = AutoTokenizer.from_pretrained("LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth") model = AutoModelForCausalLM.from_pretrained("LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth") 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
- vLLM
How to use LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth with vLLM:
Install from pip and serve model
# Install vLLM from pip: pip install vllm # Start the vLLM server: vllm serve "LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth" # Call the server using curl (OpenAI-compatible API): curl -X POST "http://localhost:8000/v1/chat/completions" \ -H "Content-Type: application/json" \ --data '{ "model": "LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth", "messages": [ { "role": "user", "content": "What is the capital of France?" } ] }'Use Docker
docker model run hf.co/LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth
- SGLang
How to use LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth 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 "LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth" \ --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": "LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth", "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 "LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth" \ --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": "LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth", "messages": [ { "role": "user", "content": "What is the capital of France?" } ] }' - Docker Model Runner
How to use LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth with Docker Model Runner:
docker model run hf.co/LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth
| language: | |
| - en | |
| - ko | |
| library_name: transformers | |
| pipeline_tag: text-generation | |
| tags: | |
| - terminal | |
| - sft | |
| - vllm | |
| - tb2-lite | |
| base_model: LiquidAI/LFM2-2.6B | |
| # LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth | |
| ํฐ๋ฏธ๋ ์์ ์๋ํ๋ฅผ ์ํ Terminal SFT ๋ชจ๋ธ์ ๋๋ค. ์ ๋ ฅ๋ ์์ /์ด์ ํฐ๋ฏธ๋ ์ํ๋ฅผ ๋ณด๊ณ ๋ค์์ ์คํํ ๋ช ๋ น์ JSON ํํ๋ก ์์ฑํ๋ ์ฉ๋๋ก ํ์ตํ์ต๋๋ค. | |
| ## ๋ชจ๋ธ ์์ฝ | |
| - Base model: `LiquidAI/LFM2-2.6B` | |
| - Training setup: `2 epochs, Unsloth SFT` | |
| - Evaluation snapshot: `2026-05-09 00:57:46 UTC` | |
| - Evaluation result id: `lfm2_2p6b_sft_unsloth_e2` | |
| ## Quickstart | |
| ์ค์น์ ๋ก๊ทธ์ธ: | |
| ```bash | |
| pip install -U vllm transformers huggingface_hub | |
| huggingface-cli login | |
| ``` | |
| ๊ด๋ จ ์ฝ๋: | |
| - GitHub: https://github.com/LLM-OS-Models/Terminal | |
| - vLLM ํ๊ฐ ์คํ: `tb2_lite/scripts/replay_eval.py` | |
| - chat template/fallback ์์ฑ: `tb2_lite/scripts/prompt_builder.py` | |
| - JSON/command ์ฑ์ : `tb2_lite/scripts/replay_metrics.py` | |
| vLLM ์ง์ ์คํ ์์. ํ๊ฐ ์ฝ๋์ ๋์ผํ๊ฒ chat template์ ์ฐ์ ์ฌ์ฉํ๊ณ , template์ด ์์ผ๋ฉด ChatML/Gemma fallback์ ์ฌ์ฉํฉ๋๋ค. | |
| ```python | |
| from transformers import AutoTokenizer | |
| from vllm import LLM, SamplingParams | |
| model_id = "LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth" | |
| tp = 1 | |
| tokenizer = AutoTokenizer.from_pretrained(model_id, trust_remote_code=True) | |
| llm = LLM( | |
| model=model_id, | |
| tokenizer=model_id, | |
| trust_remote_code=True, | |
| dtype="bfloat16", | |
| tensor_parallel_size=tp, | |
| max_model_len=49152, | |
| gpu_memory_utilization=0.92, | |
| ) | |
| messages = [ | |
| {"role": "system", "content": "You are a terminal automation assistant. Return JSON only."}, | |
| {"role": "user", "content": "Inspect the current directory and list Python files."}, | |
| ] | |
| def render_chatml(messages): | |
| parts = [] | |
| for message in messages: | |
| role = "assistant" if message["role"] == "assistant" else message["role"] | |
| if role == "tool": | |
| role = "user" | |
| parts.append(f"<|im_start|>{role}\n{message['content']}<|im_end|>\n") | |
| parts.append("<|im_start|>assistant\n") | |
| return "".join(parts) | |
| def render_gemma4_turn(messages, empty_thought_channel=False): | |
| parts = ["<bos>"] | |
| for message in messages: | |
| role = "model" if message["role"] == "assistant" else message["role"] | |
| if role == "tool": | |
| role = "user" | |
| parts.append(f"<|turn>{role}\n{message['content'].strip()}<turn|>\n") | |
| parts.append("<|turn>model\n") | |
| if empty_thought_channel: | |
| parts.append("<|channel>thought\n<channel|>") | |
| return "".join(parts) | |
| def render_prompt(model_id, tokenizer, messages): | |
| model_key = model_id.lower() | |
| if "gemma-4" in model_key: | |
| try: | |
| return tokenizer.apply_chat_template( | |
| messages, | |
| tokenize=False, | |
| add_generation_prompt=True, | |
| enable_thinking=False, | |
| ) | |
| except Exception: | |
| return render_gemma4_turn( | |
| messages, | |
| empty_thought_channel=("26b" in model_key or "31b" in model_key), | |
| ) | |
| try: | |
| return tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True) | |
| except Exception: | |
| return render_chatml(messages) | |
| prompt = render_prompt(model_id, tokenizer, messages) | |
| sampling = SamplingParams( | |
| temperature=0.0, | |
| top_p=1.0, | |
| max_tokens=1024, | |
| repetition_penalty=1.0, | |
| ) | |
| outputs = llm.generate([prompt], sampling_params=sampling) | |
| print(outputs[0].outputs[0].text) | |
| ``` | |
| ๊ถ์ฅ ์ถ๋ ฅ ํ์: | |
| ```json | |
| { | |
| "analysis": "brief reasoning about the next terminal action", | |
| "plan": "short execution plan", | |
| "commands": [ | |
| {"keystrokes": "ls -la\n", "duration": 0.1} | |
| ], | |
| "task_complete": false | |
| } | |
| ``` | |
| ํ๊ฐ์ ๋์ผํ replay ๋ช ๋ น: | |
| ```bash | |
| python tb2_lite/scripts/replay_eval.py \ | |
| --model LLM-OS-Models/LFM2-2.6B-Terminal-SFT-2Epoch-Unsloth \ | |
| --model-short lfm2_2p6b_sft_unsloth_e2 \ | |
| --eval-path tb2_lite/data/replay_full.jsonl \ | |
| --output-dir /home/work/.data/tb2_lite_eval/corrected_readme_models_vllm \ | |
| --dtype bfloat16 \ | |
| --tp 1 \ | |
| --max-model-len 49152 \ | |
| --max-tokens 1024 \ | |
| --temperature 0.0 \ | |
| --top-p 1.0 \ | |
| --gpu-memory-utilization 0.92 \ | |
| --language-model-only | |
| ``` | |
| - ๊ธฐ๋ณธ ๊ถ์ฅ tensor parallel: `1`. OOM์ด๋ฉด `--tp`์ `tensor_parallel_size`๋ฅผ 2/4/8๋ก ์ฌ๋ฆฌ์ธ์. | |
| - corrected TB2-lite ํ๊ฐ๋ `temperature=0.0`, `top_p=1.0`, `max_tokens=1024`๋ก ๊ณ ์ ํ์ต๋๋ค. | |
| - Gemma 4๋ JSON ์ถ๋ ฅ์ ์ํด `enable_thinking=False`๋ฅผ ์ฌ์ฉํ๊ณ , 26B/31B ๊ณ์ด์ ํ๊ฐ ์ฝ๋์์ empty thought channel ์ฒ๋ฆฌ๋ฅผ ์๋ ์ ์ฉํฉ๋๋ค. | |
| ## ํ๊ฐ ๊ฒฐ๊ณผ | |
| ํ๊ฐ๋ corrected TB2-lite replay set์์ vLLM์ผ๋ก ์ํํ์ต๋๋ค. ์์ ์ ์๋ `100 * avg_command_f1`๋ง ์ฌ์ฉํ๊ณ , `first_cmd_exact_pct`๋ ๋ณด์กฐ ์งํ๋ก๋ง ๋ด ๋๋ค. | |
| - Rank: `38 / 56` | |
| - Score: `27.31` | |
| - Command F1: `0.2731` | |
| - Command precision: `0.3643` | |
| - Command recall: `0.2804` | |
| - First command exact: `21.8%` | |
| - Valid JSON: `62.0%` | |
| - Steps / tasks: `303 / 50` | |
| - Sec/step: `0.147` | |
| - Load time: `69.7s` | |
| - Template status: `chat_template` | |
| - Rank eligible: `True` | |
| - Eval timestamp: `2026-05-07T21:51:50.028545` | |
| - ํ์ฌ ์ง๊ณ๋ ํ๊ฐ ๊ฒฐ๊ณผ ์: `56` | |
| Prompt/template audit: | |
| ```json | |
| { | |
| "template_status": "chat_template", | |
| "rank_eligible": true, | |
| "steps": 303, | |
| "tasks": 50 | |
| } | |
| ``` | |
| ## ์ฅ์ | |
| - ํน์ ํฌ๊ธฐ/๊ฐ์ ๊ฒฝ๋ก์์ ๋น์ฉ ๋๋น ๋น ๋ฅธ ์ถ๋ก ์ ๊ธฐ๋ํ ์ ์์ต๋๋ค. | |
| - ์๋ชป๋ ๋ช ๋ น์ ๋ง์ด ๋ด๊ธฐ๋ณด๋ค ๋ณด์์ ์ผ๋ก ๋ง๋ ๋ช ๋ น์ ๋ด๋ ๊ฒฝํฅ์ด ์์ต๋๋ค. | |
| - LFM ๊ณ์ด์ Liquid chat template๊ณผ ํฐ๋ฏธ๋ SFT ํฌ๋งท์ ๋ง์ถ ๊ฒฝ๋/ํจ์จ ์คํ์ ์ ๋ฆฌํฉ๋๋ค. | |
| ## ๋ชจ๋ธ๊ตฐ ํด์ | |
| - LFM ๊ณ์ด์ base ์ ์ ๋๋น SFT ์์นํญ์ด ํฌ๊ณ sec/step์ด ๋ฎ์, ๋ฐ๋ณต ํ๊ฐ์ RL ์คํ์ ๋๋ฆฌ๊ธฐ ์ข์ ํจ์จํ ํ๋ณด์ ๋๋ค. | |
| - ๋ค์ ๋จ๊ณ์์๋ valid JSON, command precision, premature complete๋ฅผ reward/penalty๋ก ์ง์ ์ก๋ RL์ด ๊ฐ์ฅ ์ค์ฉ์ ์ ๋๋ค. | |
| - ์๋๋ `0.147` sec/step ์์ค์ผ๋ก ๋น ๋ฅธ ํธ์ ๋๋ค. | |
| - RL ํ๋ณด์ฑ: ํ์ฌ ์ ์๋ง์ผ๋ก๋ ์ฃผ๋ ฅ ํ๋ณด๋ณด๋ค ๋ณด์กฐ/๋น๊ต๊ตฐ์ ๊ฐ๊น์ต๋๋ค. | |
| ## ํ๊ณ์ ์ฃผ์์ฌํญ | |
| - recall์ด ์๋์ ์ผ๋ก ๋ฎ์ ํ์ํ ๋ช ๋ น ์ผ๋ถ๋ฅผ ๋น ๋จ๋ฆด ์ ์์ต๋๋ค. | |
| - JSON ํ์ ์คํจ๊ฐ ์์ด ์คํ ์ ์ ํ์ฑ ๊ฒ์ฆ/์ฌ์๋๊ฐ ํ์ํฉ๋๋ค. | |
| - Qwen ์์๊ถ ๋๋น command F1์ด ๋ฎ๊ฒ ๋์จ ๊ฒฐ๊ณผ๋ ์ง๋ฅ ์ฐจ์ด์ ํจ๊ป ํฌ๋งท, ํ ํฌ๋์ด์ , ํ์ต ๊ฒฝ๋ก ์ฐจ์ด๊ฐ ์์ธ ๊ฐ์ ๋๋ค. | |
| - ์ด ๋ชจ๋ธ์ ์๋ ํฐ๋ฏธ๋ ์กฐ์ ๋ณด์กฐ์ฉ SFT ๋ชจ๋ธ์ด๋ฉฐ, ์ผ๋ฐ ๋ํ/๋ฒ์ฉ ์ถ๋ก ์ฑ๋ฅ์ ๋ณด์ฅํ์ง ์์ต๋๋ค. | |
| - ์์ฑ ๋ช ๋ น์ ์ค์ ์คํ ์ ์ sandbox, allowlist, human review ๊ฐ์ ์์ ์ฅ์น๋ฅผ ๊ฑฐ์ณ์ผ ํฉ๋๋ค. | |
| ## ํด์ ๋ฉ๋ชจ | |
| TB2-lite ์ ์๋ ์ผ๋ฐ ์ง๋ฅ ๋ฒค์น๋งํฌ๊ฐ ์๋๋ผ ํฐ๋ฏธ๋ next-action JSON ์ฌํ ๋ฅ๋ ฅ์ ์ธก์ ํฉ๋๋ค. ๋ฐ๋ผ์ ๋ชจ๋ธ ํฌ๊ธฐ, chat template ์ผ์น, assistant-only masking, tokenizer, ํ์ต ๋ฐ์ดํฐ holdout ์ฌ๋ถ๊ฐ ๋ชจ๋ ์ ์์ ์ํฅ์ ์ค๋๋ค. | |
| README.md์ MODEL_EVALUATION_REPORT.md์ ๊ฐ์ด ๋ ์ต์ ์ด๋ฉด ํด๋น ๊ฐ์ ์ฐ์ ํ์ธํ์ธ์. ์ด ๋ชจ๋ธ์นด๋๋ ์๋ฃ๋ ํ๊ฐ JSON์ ๊ธฐ์ค์ผ๋ก ๊ฐ๋ณ ์ ์ฅ์์ ๋น ๋ฅด๊ฒ ๋ฐ์ํ ์ค๋ ์ท์ ๋๋ค. | |