Olmo-Hybrid-7B

모델 소개

We expand on our Olmo model series by introducing Olmo Hybrid, a new 7B hybrid RNN model in the Olmo family. Olmo Hybrid dramatically outperforms Olmo 3 in final performance, consistently showing roughly 2x data efficiency on core evals over the course of our pretraining run. We also show gains in performance on long-context benchmarks, as well as improved inference efficiency (throughput and memory) on long-context lengths by a factor of 75%. The training of our hybrid model makes use of Olmo 3 7B, except that we change the learning rate schedule to be a standard cosine schedule rather than the piecewise schedule used by Olmo 3. Additionally, we use the improved data mix of Olmo 3 32B instead of the Olmo 3 7B mix. The table below highlights the architecture differences in our hybrid model. Our overall layer matches the transformer architecture of Olmo 3 7B, except that 75% of layers use gated DeltaNet heads instead of attention heads. The layers alternate so that 3 contain DeltaNet sublayers followed by 1 with a multihead attention sublayer. In particular, each head uses gated DeltaNet heads, extended with negative eigenvaluesWe reduced the number of heads from 32 to 30 while keeping the head dimension fixed at 128 (effectively reducing dmodel from 4096 to 3840). Lastly, head dimension is doubled, which is the default behavior for DeltaNet.

주요 특징

特点摘要待依据来源补齐，不凭模型名称推断能力。

한계 및 유의 사항

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출처별 요금 및 비용 분석

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출처 및 추적 기록

许可证：apache-2.0。模型介绍与第三方评测均以原来源的具体版本和方法为准。