OpenAI’s GPT-5.1 Pro is the latest incremental release in the GPT-5 family: a production-grade model update that refines reasoning, latency/throughput tradeoffs, and developer-facing features (especially for code and long-horizon agent tasks). The improvements in GPT-5 Pro are significant for GPT-5, but how does the performance of GPT 5.1 Pro compare? This article will provide a […]
OpenAI’s GPT-5.1 Instant is the low-latency variant of the newly released GPT-5.1 family (announced November 12, 2025). It’s designed to deliver the “most-used” ChatGPT experience with faster turn-taking, warmer conversational tone defaults, improved instruction following, and a built-in adaptive-reasoning capability that decides when to reply immediately and when to spend extra compute to “think” through harder queries.
Model Type: Chat
