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Mini toolsGPT 5.1 Instant
By OpenAI
Model family: GPT
Built on the GPT-5 system, Instant is tuned for quick, natural replies while keeping production features like tool calls, streaming, and schema-true JSON. In ChatGPT and the API, the unified router sends typical prompts to the fast model and reserves the deeper tier for harder problems. Recent release notes highlight upgrades to Instant on safety-sensitive queries and automatic routing for quicker, helpful answers.
New
Multimodal
Gen 3
Overview
The Instant variant is the fast, chat-first option in the 5.1 line. It favors low latency and solid instruction following, with long context, function calling, and reliable JSON. For most everyday prompts, the system router selects Instant by default.
About OpenAI
OpenAI is a technology company that specializes in artificial intelligence research and innovation.
Industry:
Artificial Intelligence
Company Size:
5000-5500
Location:
San Francisco, California, US
Website:
openai.com
Tools using GPT 5.1 Instant
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Dmitry G.🙏 165 karmaAug 29, 2023@ChatGPTState of the Art -
AIReel provides a convenient way to generate videos or images from text prompts or photos using several AI models in one place. When trying different prompts and images, the platform produced AI creations with noticeably different visual styles depending on the model selected. Compared with accessing many AI video models directly on their native platforms, the overall cost is more affordable, making it easier to experiment with AI-generated content, including both AI videos and AI images.
Last updated: March 16, 2026
