GLM-5.3 Flash (Ox Alpha) launches, rivals Opus 4.8
Zhipu's GLM-5.3 Flash, first natively multimodal GLM-5 model, packs 320B parameters with 18B active and 1M context. It nearly matches Claude Opus 4.8 on DeepSWE and coding benchmarks at a fraction of the cost, per Unsloth and Theo.
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