Google releases Elephant-Goldfish Model, an open-source spec-driven development plugin
Overview
Google announces the Elephant-Goldfish Model, a new open-source plugin for spec-driven development, in a post on its Google Cloud Tech X account dated November 7, 2026.
The post says deep-context agents draft specs, zero-context subagents stress-test them, and the user approves the architecture and spec before any code is written. The post says the plugin works with Antigravity, Claude, Codex and ChatGPT. It links to a Google page at goo.gle/480yn2n.
Written by AI from the articles below · updated Nov 7, 6:14 PM ET
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Google Cloud Tech@GoogleCloudTechOfficialGoogle releases Elephant-Goldfish Model, an open-source plugin for spec-driven developmentAIGoogle's X account announces the Elephant-Goldfish Model, a new open-source plugin. The post says it drafts specs with deep-context agents and stress-tests them with zero-context subagents before code is written, with the user approving the architecture and spec first. It works with Antigravity, Claude, Codex and ChatGPT.

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