GPT 5.4

1. Show HN: Classer – high-performance classification API (beats GPT-5.4-mini) (classer.ai via hn)

   +2 2w gpt-5

   High-performance AI classification Beats GPT-5.4 accuracy · up to 100x cheaper · real-time latency Built for our own apps. Now open to everyone.

2. Open Source Agent, Harness-1, Outperforms GPT-5.4 on Recall (venturebeat.com via hn)

   +2 2w vector-databasegpt-5

   A joint research collaboration between researchers at the University of Illinois at Urbana-Champaign (UIUC), UC Berkeley, and the open source AI-native vector database platform Chroma unveiled Harness-1, a 20-billion parameter open-source…

3. Why is using GPT-5.4-mini If I didn't switch from Composer-2.5 (www.reddit.com via reddit)

   2w gpt-5

   https://preview.redd.it/libw1y00rb6h1.png?width=1103&format=png&auto=webp&s=3f4af044de0a168247a1a078c16f6eb4e36207be GPT 5.4-mini ¿? Why

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