#OpenAI Soul Tara Luna

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Jul 10, 2026·7 min

GPT-5.6 In-Depth Hands-On Review: How Do Soul, Tara, and Luna Really Perform?

OpenAI releases GPT-5.6 preview with three models: flagship Soul, balanced Tara, and lightweight Luna. Based on real KingBench 3 testing, this article breaks down each model's performance on math, front-end, and agentic tasks, and compares them with Anthropic Fable.