gpt-5.1

completions

byopenai

gpt-5.1

completions

Published by: openaiProvider:

openai

GPT-5.1 is OpenAI's flagship model for coding and agentic tasks with configurable reasoning and non-reasoning effort.

Released

Nov 13, 2025

Knowledge

Oct 30, 2024

License

Proprietary

Context

400K

Input

$1.25 / 1M tokens

Output

$10 / 1M tokens

Cached

$0.13 / 1M tokens

Capabilities: tools

Accepts: text, image

Returns: text

Released Nov 13, 2025Knowledge Cutoff: Oct 30, 2024License: Proprietary

Context: 400K Input: $1.25 / 1M tokensOutput: $10 / 1M tokensCached: $0.13 / 1M tokensCapabilities: toolsAccepts: text, imageReturns: text

Access gpt-5.1 through LangDB AI Gateway

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Integrate with openai's gpt-5.1 and 250+ other models through a unified API. Monitor usage, control costs, and enhance security.

Unified API

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Instant Setup

99.9% Uptime

10,000+Monthly Requests

Benchmark Results for gpt-5.1

Category Performance Scores:

Maths: Score 94.00 (Top 2% - Rank #7)
Finance: Score 81.85 (Top 1% - Rank #4)
Science: Score 80.43 (Top 3% - Rank #10)
Writing: Score 74.47 (Top 5% - Rank #16)
Academia: Score 78.50 (Top 1% - Rank #4)
Marketing: Score 77.45 (Top 1% - Rank #4)
Programming: Score 57.50 (Top 2% - Rank #7)

Overall Performance: 77.74325396825397 average score across all categories

Detailed Benchmark Scores:

Benchmark	Score	Percentile	Domain
HLE	26.50	Top 1%	General Knowledge
GPQA	87.30	Top 1%	STEM (Physics, Chemistry, Biology)
SciCode	43.30	Top 4%	Scientific
MMLU-Pro	87.00	Top 3%	General Knowledge
LiveCodeBench	86.80	Top 3%	Programming
AA Math Index	94.00	Top 2%	Mathematics
AA Coding Index	57.50	Top 2%	Programming
AAII	69.70	Top 1%	General

GPQA Score: 87.30 - Graduate-level reasoning benchmark

Model Comparison:

Provider: openai

Model Type: completions

Context Size: 400000 tokens

Comparing against 320 models in the database

Performance Analytics for gpt-5.1

Usage Statistics (Last 1 Days):

Total Requests: 1 API calls
Average TPS: 42.64 tokens per second
Average Response Time: 726.90ms
Average Time to First Token: 541.80ms
Total Cost: $0.00
Average Request Cost: $0.0003

Daily Performance Breakdown:

Date	Requests	TPS	Response Time	TTFT	Cost
11/17/2025	1	42.64	726.90ms	541.80ms	$0.00

Performance Summary:

Model: gpt-5.1 by openai

Monitoring Period: 11/11/2025 to 11/18/2025

Average Daily Requests: 1

Peak Daily Requests: 1

Statistics

View Full Statistics

Request Volume

Daily API requests

Performance (TPS)

Tokens per second

42.64 tokens/s

Category Scores

maths#4 finance#2 science#6 writing#9 academia#2 marketing#2 programming#3

Benchmark Tests

View Other Benchmarks

HLE

26.5

General Knowledge

GPQA

87.3

STEM (Physics, Chemistry, Biology)

SciCode

43.3

Scientific

MMLU-Pro

87.0

General Knowledge

LiveCodeBench

86.8

Programming

AA Math Index

94.0

Mathematics

AA Coding Index

57.5

Programming

AAII

69.7

General

Metric	HLE	GPQA	SciCode	MMLU-Pro	LiveCodeBench	AA Math Index	AA Coding Index	AAII
Score	26.5	87.3	43.3	87.0	86.8	94.0	57.5	69.7

Compare with Similar Models

Code Examples

Integration samples and API usage

Code Samples for gpt-5.1

Python SDK Example:

from openai import OpenAI

client = OpenAI(
    base_url="https://api.us-east-1.langdb.ai//projects/<your_project_id>",
    api_key="<your_api_key>"
)

response = client.chat.completions.create(
    model="gpt-5.1",
    messages=[
        {"role": "user", "content": "Hello, how are you?"}
    ]
)

print(response.choices[0].message.content)

TypeScript SDK Example:

import OpenAI from 'openai';

const client = new OpenAI({
    baseURL: "https://api.us-east-1.langdb.ai//projects/<your_project_id>",
    apiKey: "<your_api_key>"
});

const response = await client.chat.completions.create({
    model: "gpt-5.1",
    messages: [
        { role: "user", content: "Hello, how are you?" }
    ]
});

console.log(response.choices[0].message.content);

cURL Example:

curl -X POST "https://api.us-east-1.langdb.ai//projects/<your_project_id>/v1/chat/completions" \
  -H "Authorization: Bearer <your_api_key>" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.1",
    "messages": [
        {"role": "user", "content": "Hello, how are you?"}
    ]
  }'

Model: gpt-5.1

Provider: openai

API Endpoint: $https://api.us-east-1.langdb.ai/

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