webAI TwIL-LM
Hugging Face: https://huggingface.co/webAI-Official/TwIL-LM, https://huggingface.co/webAI-Official/TwIL-LM3
Website: https://www.webai.com/blog/webai-releases-twil-lm-a-family-of-formal-logic-models-that-outreason-a-120b-model-and-run-on-an-iphone
Developer: webAI Intelligence Lab
Released: August 2026
Variants: TwIL-LM 1.7B, TwIL-LM3 3B
Parameters: 1.7B: 1.78B total, 1.71B backbone + 72M LoRA / 3B: 3B
Context: 1.7B: 8,192 tokens / 3B: 65,536 tokens
Architecture: 1.7B: SmolLM2-1.7B-Instruct base, dense Llama, 24 layers, 32 heads, LoRA rank 64 SFT / 3B: SmolLM3-3B base, dense, 36 layers, GQA 16Q/4KV, NoPE every 4th layer; LoRA SFT, checkpoint fusion, WiSE-FT interpolation, GRPO reinforcement learning
License: webAI Non-Commercial License ver. 1.0
Modalities: Text
Runs on: 1.7B: Smartphone, Laptop / 3B: Laptop, 4GB VRAM or CPU
Formats: 1.7B: merged GGUF Q4_K_M, Q5_K_M, Q8_0, f16 / 3B: safetensors, GGUF Q4_K_M, Q5_K_M, Q6_K, Q8_0, F16
On disk: 1.7B: 1.06GB Q4_K_M / 3B: 1.92GB Q4_K_M