open-thoughts/OpenThinker3-1.5B

OpenThinker3-1.5B by open-thoughts is a 1.5 billion parameter instruction-tuned causal language model, fine-tuned from Qwen/Qwen2.5-1.5B-Instruct. It features a 131072 token context length and is specifically optimized for advanced reasoning tasks, excelling in mathematical, coding, and scientific problem-solving. This model demonstrates strong performance across various reasoning benchmarks, making it suitable for applications requiring robust analytical capabilities.