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OpenAI Blog

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11:31
2026-06-18
openai.com
large-language-models

Designing delightful front ends with GPT-5.4

OpenAI released GPT-5.4 with improved front-end development capabilities, including stronger image understanding, more complete app generation, and native computer use for iterative testing. The model…

03:45
2026-06-05
openai.com
large-language-models

Model Optimization

OpenAI has released a guide detailing techniques for optimizing large language model outputs, including evals, prompt engineering, and fine-tuning. The company recommends developers continuously measu…

08:03
2026-06-04
openai.com
ai-agents

Realtime regression in non-English production voice agents

A Romanian voice agent developer reports that OpenAI's scheduled shutdown of the `gpt-realtime-mini-2025-10-06` model threatens major enterprise contracts, as the replacement `gpt-realtime-mini` model…

23:57
2026-06-03
openai.com
artificial-intelligence

OpenAI Agent Builder Is Being Deprecated

OpenAI deprecated its Agent Builder tool on June 3, 2026, notifying developers that the product will be shut down by November 30, 2026. The company is directing users to migrate their agent configurat…

00:00
2026-05-05
openai.com
large-language-models

Realtime prompting guide

OpenAI released `gpt-realtime-2`, a reasoning voice model for low-latency speech-to-speech applications that can think before speaking, follow instructions more reliably, and use a 128k-token context …

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