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OpenAI's new open weight (Apache 2) models are good


The long promised OpenAI open weight models are here, and they are very impressive. They’re available under proper open source licenses—Apache 2.0—and come in two sizes, 120B and 20B. OpenAI’s …

The gpt-oss-20b; model delivers similar results to OpenAI o3‑mini on common benchmarks and can run on edge devices with just 16 GB of memory, making it ideal for on-device use cases, local inference, or rapid iteration without costly infrastructure. I continue to have a lot of love for Mistral, Gemma and Llama but my feeling is that Qwen, Moonshot and Z.ai have positively smoked them over the course of July. I’m waiting for the dust to settle and the independent benchmarks (that are more credible than my ridiculous pelicans) to roll out, but I think it’s likely that OpenAI now offer the best available open weights models.

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