openai logo
openai

OpenAI: Text Embedding 3 Large

Source description (English)

text-embedding-3-large is OpenAI's most capable embedding model for both english and non-english tasks. Embeddings are a numerical representation of text that can be used to measure the relatedness between two...

Overview

Model specifications

Context
8,192 tokens
Maximum output
7,372 tokens
Architecture
text->embeddings
Tokenizer
Other
Knowledge cutoff
Not provided
Moderated
Yes
OPENROUTER

Complete pricing

Synchronized OpenRouter rates. Token prices are shown per one million tokens.

Input
$0.13
per 1M tokens
API

Quick start

Set OPENROUTER_API_KEY locally. Python requires requests; JavaScript runs in Node.js. Keep the key on the server.

API documentation

curl --fail-with-body https://openrouter.ai/api/v1/embeddings \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"openai/text-embedding-3-large","input":"Your text here"}'
Capabilities

Input → Output

Input
text
Output
embeddings
API

Supported API parameters

Available providers

2 providers

Checked: September 16, 2026

Live providers on OpenRouter

Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.

OpenRouter

Azure

Not provided
Context
8K
Maximum output
7K
Input
$0.13
Output
Free
Cache read
Not provided
Cache write
Not provided

OpenAI

Not provided
Context
8K
Maximum output
7K
Input
$0.13
Output
Free
Cache read
Not provided
Cache write
Not provided
openai

4 models

All models