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3 Builder Releases to Test: ChatGPT Images 2.5, GPT-6 Astra, and Lyria 3.5
ZetsuEDU tests ChatGPT Images 2.5, GPT-6 Astra in Copilot, and Lyria 3.5—what changed, key limits, and one practical builder test for each.
ZetsuEDU field notes tagged "music AI".

Signal > hype ↘
Test. Document. Apply.
Every post separates the launch claim from the builder test: what changed, who it matters to, and what to try next.
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Featured signal
ZetsuEDU tests ChatGPT Images 2.5, GPT-6 Astra in Copilot, and Lyria 3.5—what changed, key limits, and one practical builder test for each.