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Qwen has released the next iteration of its open-source large language model series, Qwen1.5. The update includes base and chat models in six sizes from 0.5 billion to 72 billion parameters.
Key improvements include enhanced alignment with human preferences, stronger multilingual capabilities, long context support up to 32,768 tokens, and better performance on retrieval-augmented generation and tool use tasks compared to previous models. However, coding abilities still trail GPT-4.
Qwen1.5 is available on platforms like Hugging Face, Ollama and DashScope’s API services.