OpenAIReleased on Nov 12, 2025

GPT-5.1 Instant: Benchmarks, Pricing & Context Window

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

GPT-5.1 Instant is the next iteration of GPT-5, designed to be more conversational than earlier chat models. It features improved instruction following and an adaptive reasoning capability that lets it decide when to think before

Input
TextImage
Output
Text
Speed
Latency p9524.85s
Throughput P9526.1char/s
Cost
$2.22/ 1M · 8:1 in:out
$1.25 in · $10.0 out

GPT-5.1 Instant pricing

Providers

GPT-5.1 Instant starts at $1.25 per million input tokens and $10.00 per million output tokens via OpenAI.

ProviderInput $/MOutput $/MMax InputMax OutputLatency p95 sThroughput P95QuantInputOutput
OpenAI logoOpenAI
$1.25$10.00400.0K128.0K
24.85
26 c/s
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GPT-5.1 Instant API

API access coming soon

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

GPT-5.1 Instant examples

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

GPT-5.1 Instant license

GPT-5.1 Instant is released under the Proprietary license, which restricts commercial use.

License
Proprietary
Non-commercial

Proprietary license - usage restrictions apply

FAQ

Common questions about GPT-5.1 Instant.

When was GPT-5.1 Instant released?

GPT-5.1 Instant was released on November 12, 2025 by OpenAI. This is the official GPT-5.1 Instant release date tracked on LLM Stats.

Is GPT-5.1 Instant available via API?

Yes, GPT-5.1 Instant is available via API. See the official documentation for authentication and endpoint details. It is served by 1 provider tracked on LLM Stats.

Who created GPT-5.1 Instant?

GPT-5.1 Instant was created by OpenAI.

What is the license for GPT-5.1 Instant?

GPT-5.1 Instant is released under the Proprietary license.

Is GPT-5.1 Instant multimodal?

Yes, GPT-5.1 Instant is multimodal and can accept both text and images as input.

Where can I use GPT-5.1 Instant?

GPT-5.1 Instant is available through 1 provider including OpenAI.

Where is the GPT-5.1 Instant paper or technical report?

GPT-5.1 Instant has a paper or technical report available at https://openai.com/index/gpt-5-1/. Use that source for architecture, training, release and evaluation details.