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Weekly Hallucinations: GPT-5.3-Codex-Spark, Sonnet 4.6 and China's MoE Offensive
Six flagship releases in a single week. OpenAI hit 1000 tok/sec with Cerebras, Anthropic pushed Sonnet close to Opus, and Alibaba and Z-ai dropped new MoE models. Here's who actually moved the needle and who just updated benchmarks.
February 18, 2026
