GPT-5.1

Name: GPT-5.1
Price: 20 USD
Availability: InStock
Rating: 56.9 (1 reviews)
Author: OpenAI

#18Large Language ModelsProprietary

OpenAI

Refined version of GPT-5 with improved instruction-following, reduced hallucinations, and better performance across standard benchmarks.

Model updates refreshed1h agoMay 30, 2026news + changelog

56.9

Quality Score

1238

Arena ELO

Undisclosed

Parameters

256K

Context

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