OpenAI’s new Codex Spark model is built for speed

The New Stack
by Frederic Lardinois
February 12, 2026
OpenAI’s new GPT-5.3-Codex-Spark model is a bit of a departure for the company’s family of Codex software development models: its The post OpenAI’s new Codex Spark model is built for speed appeared first on The New Stack.
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Originally published on The New Stack on 2/12/2026