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OpenAIReleased November 13, 2025

GPT-5.1

OpenAI · Released November 13, 2025

Intelligence score

20

At a glance

Intelligence
20
Speed
110.1tokens/sec
Latency
1.03stime to first token
Input price
$1.25per 1M tokens
Output price
$10.00per 1M tokens
Context window
400Ktokens
Parameters
—

Summary

Comparison summary

GPT-5.1 (Non-reasoning) scores 20 (estimated) on the Artificial Analysis Intelligence Index, placing it above average among other non-reasoning models in a similar price tier (median: 17). GPT-5.1 (Non-reasoning) generates output at 110.1 tokens per second (based on OpenAI's API), which is well above average compared to other non-reasoning models in a similar price tier (median: 61.7 t/s). GPT-5.1 (Non-reasoning) costs $1.25 per 1M input tokens (better than average, median: $1.88) and $10.00 per 1M output tokens (somewhat higher than average, median: $7.75), based on OpenAI's API.

Specifications

Technical specifications

Model nameGPT-5.1
ProviderOpenAI
Release dateNovember 13, 2025
Intelligence score20
Speed110.1 tokens/sec
Latency (TTFT)1.03s
Input price$1.25 / 1M tokens
Output price$10.00 / 1M tokens
Context window400,000 tokens
Parameters—
ReasoningNo
Input modalitiestext, image
Output modalities—
Open weightsNo
License—
API availability—
SourceModel Intelligence legacy profile: gpt-5-1-non-reasoning

Pricing

Token prices

Price per 1M tokens

GPT-5.1, as listed in the catalog record

Input $1.25 and output $10.00 per 1M tokens. Missing prices are hatched and marked "Not published".
  1. Input$1.25
  2. Output$10.00

Model Intelligence legacy profile: gpt-5-1-non-reasoning

FAQ · 19

Frequently asked questions

GPT-5.1 (Non-reasoning) was released on November 13, 2025.

GPT-5.1 (Non-reasoning) was created by OpenAI.

GPT-5.1 (Non-reasoning) scores 20 (estimated) on the Artificial Analysis Intelligence Index, placing it above average among other non-reasoning models in a similar price tier (median: 17).

GPT-5.1 (Non-reasoning) generates output at 110.1 tokens per second (based on OpenAI's API), which is well above average compared to other non-reasoning models in a similar price tier (median: 61.7 t/s).

GPT-5.1 (Non-reasoning) has a time to first token (TTFT) of 1.03s (based on OpenAI's API), which is very competitive compared to other non-reasoning models in a similar price tier (median: 1.57s).

GPT-5.1 (Non-reasoning) costs $1.25 per 1M input tokens (better than average, median: $1.88) and $10.00 per 1M output tokens (somewhat higher than average, median: $7.75), based on OpenAI's API.

GPT-5.1 (Non-reasoning) costs $1.25 per 1M input tokens and $10.00 per 1M output tokens (based on OpenAI's API). For a blended rate (7:2:1 cache hit/input/output ratio), this is $1.34 per 1M tokens. Pricing may vary by provider.

No, GPT-5.1 (Non-reasoning) is not a reasoning model. It provides direct responses without extended chain-of-thought reasoning.

GPT-5.1 (Non-reasoning) supports text and image input.

GPT-5.1 (Non-reasoning) supports text output.

Yes, GPT-5.1 (Non-reasoning) supports image input and can analyze, describe, and answer questions about images.

Yes, GPT-5.1 (Non-reasoning) is multimodal. It can process text and image input and generate text output.

GPT-5.1 (Non-reasoning) has a context window of 400k tokens. This determines how much text and conversation history the model can process in a single request.

No, GPT-5.1 (Non-reasoning) is proprietary. The model weights are not publicly available.

GPT-5.1 (Non-reasoning) is a proprietary model and OpenAI has not disclosed the model size or parameter count.

GPT-5.1 (Non-reasoning) achieves a score of 20 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.

GPT-5.1 (Non-reasoning) has a knowledge cutoff of September 2024. The model's training data includes information up to this date.

Yes, GPT-5.1 (Non-reasoning) is available via API through 2 providers.

GPT-5.1 (Non-reasoning) is available through 2 API providers.