EPISODE · Aug 29, 2025 · 12 MIN
GPT-OSS vs. Qwen vs. Deepseek: Comparing Open Source LLM Architectures
from Y Combinator Startup Podcast · host Y Combinator
OpenAI recently released its first open-weights model since GPT-2, entering a field led by DeepSeek and Alibaba's Qwen.YC's Ankit Gupta breaks down everything you need to know about these top OSS models, including what sets them apart under the hood. He’ll compare their approaches to mixture-of-experts, long-context training, and post-training techniques that shape reasoning and alignment—and explore how different design choices lead to surprisingly similar performance.
What this episode covers
OpenAI recently released its first open-weights model since GPT-2, entering a field led by DeepSeek and Alibaba's Qwen.YC's Ankit Gupta breaks down everything you need to know about these top OSS models, including what sets them apart under the hood. He’ll compare their approaches to mixture-of-experts, long-context training, and post-training techniques that shape reasoning and alignment—and explore how different design choices lead to surprisingly similar performance.
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GPT-OSS vs. Qwen vs. Deepseek: Comparing Open Source LLM Architectures
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