OpenAIReleased on Nov 2025

GPT-5.1 High: Benchmarks, Pricing & Context Window

GPT-5.1 High is a language model from OpenAI, released in November 2025, with multimodal input.

GPT-5.1 High provides enhanced reasoning capabilities with high-effort thinking for complex problems. This variant offers deeper analysis and more thorough responses compared to the base model, making it ideal for challenging tasks that

Context window
400Ktokens
Speed
TTFT3.50s
Throughput80.0char/s
Cost
$2.22/ 1M blended
$1.25 in · $10.0 out

GPT-5.1 High API

API access coming soon

GPT-5.1 High will be available through our gateway shortly.

GPT-5.1 High license

GPT-5.1 High is released under the Proprietary license.

License
Proprietary

GPT-5.1 High examples

Recent arena outputs from GPT-5.1 High, picked from the highest-ranked matchups.

GPT-5.1 High release date

GPT-5.1 High was released on November 12, 2025 by OpenAI.

Released
November 12, 2025
2025-11-12
Creator
OpenAI

FAQ

Common questions about GPT-5.1 High.

What is the GPT-5.1 High release date?

GPT-5.1 High was released on November 12, 2025 by OpenAI.

Who created GPT-5.1 High?

GPT-5.1 High was created by OpenAI.

What is the license for GPT-5.1 High?

GPT-5.1 High is released under the Proprietary license.

Is GPT-5.1 High multimodal?

Yes, GPT-5.1 High is a multimodal model that can process both text and images as input.