OpenAI
"Today we’re upgrading the GPT‑5 series with the release of: GPT‑5.1 Instant: our most-used model, now warmer, more intelligent, and better at following your instructions.
Visit official pageModality
Image
License
Proprietary
Released
2025-11
AIDB Score
91
GPT-5.1 Instant is built by OpenAI and indexed in AIDB, the searchable database of every major AI model. Compare it against alternatives, find similar models, or browse other AI tools used in General.