OpenAI Unveils GPT-5.5 and Launches the Codex Superapp

product #llm 📝 Blog|Analyzed: Apr 24, 2026 04:49•

Published: Apr 24, 2026 04:40

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1 min read

•Latent Space

Analysis

OpenAI has fired back in the AI arms race with the highly anticipated release of GPT-5.5, showcasing remarkable improvements in raw intelligence and cost efficiency. This launch isn't just a simple model upgrade; it marks a monumental step forward with the transformation of Codex into a comprehensive superapp. By integrating built-in browser control and folding in features from Prism, OpenAI is brilliantly positioning itself to dominate the future of interactive artificial intelligence.

Key Takeaways

•GPT-5.5 has been crowned the top independently validated model in the world for overall intelligence.
•The new model offers incredible value, matching top competitor performance at a quarter of the cost.
•OpenAI is strategically pivoting Codex into a powerful superapp, complete with built-in browser control.

Reference / Citation

"GPT-5.5 (medium) scores the same as Claude Opus 4.7 (max) on our Intelligence Index at one quarter of the cost (~$1,200 vs $4,800)"

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Latent SpaceApr 24, 2026 04:40

* Cited for critical analysis under Article 32.

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Source: Latent Space