Models & Labs
OpenAI launches GPT-5.5 Instant for ChatGPT
TechCrunch AIhigh confidence
Why it matters
- →GPT-5.5 Instant reduces hallucinations in critical fields, enhancing reliability.
- →Improved benchmark scores indicate significant advancements in model performance.
- →Enhanced context management offers more personalized and relevant user interactions.
OpenAI has introduced GPT-5.5 Instant, the new default model for ChatGPT, replacing GPT-5.3 Instant. This model aims to reduce hallucinations in sensitive areas such as law and medicine while maintaining low latency. It has shown improved performance on benchmarks like the AIME 2025 math test and the MMMU-Pro multimodal reasoning benchmark. The model also features enhanced context management, allowing it to reference past conversations for personalized responses. Developers can access GPT-5.5 through API, with the previous version available for a limited time.
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