Text Embedding 3 Large API
text-embedding-3-largeLarge embedding model for higher accuracy and flexible dimensions.
API Documentation
View complete API reference with all parameters and examples.
Batch Embeddings
Pass an array of strings to embed multiple texts in a single request.
curl -X POST https://api.apimodels.app/v1/embeddings \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "text-embedding-3-large",
"input": [
"First document text",
"Second document text",
"Third document text"
]
}'API Parameters Reference
| Parameter | Type | Required | Description |
|---|---|---|---|
| model | string | Yes | Model identifier (e.g., text-embedding-3-large) |
| input | string | array | Yes | Text string or array of strings to embed |
| encoding_format | string | No | Output format: "float" (default) or "base64" |
Full API Documentation
View complete Embeddings API reference.
Pricing
Billing: Cost = (total_tokens * price) / 1,000,000
3072 Dimensions
Higher embedding precision
High Accuracy
Best retrieval quality
Flexible
Adjustable dimensions
Premium
Best-in-class embeddings
About Text Embedding 3 Large
Text Embedding 3 Large is a Text Embedding API provided by OpenAI. Large embedding model for higher accuracy and flexible dimensions. Through APIMODELS platform, you can access this model via a unified API with transparent pay-as-you-go pricing. Current pricing: Input: $0.059, Output: $0.059 per 1M tokens.
Key Features
- 3072 Dimensions -- Higher embedding precision
- High Accuracy -- Best retrieval quality
- Flexible -- Adjustable dimensions
- Premium -- Best-in-class embeddings
Use Cases
Semantic Search
Build search systems powered by semantic understanding for more accurate and relevant results.
Document Clustering
Automatically classify and cluster large document sets to discover content relationships.
Recommendation Systems
Build intelligent recommendation engines based on text semantic similarity.
Duplicate Detection
Detect and identify duplicate or near-duplicate text content to improve data quality.
Why APIMODELS
- Unified API -- One API key to access all models, no need to register on multiple platforms
- Transparent Pricing -- Pay-as-you-go with per-call pricing published on every model page, ideal for indie developers and startups
- Instant Access -- Start using immediately after signup, supports Stripe and Alipay payments
- Full Documentation -- Detailed API docs with code examples in cURL, Python, and Node.js
Frequently Asked Questions
How much does Text Embedding 3 Large cost?
Text Embedding 3 Large is available through APIMODELS at: Input: $0.059, Output: $0.059 per 1M tokens. Billing is pay-as-you-go — you only pay for what you generate.
How to use Text Embedding 3 Large API?
Sign up at APIMODELS, get your API key, and call our unified API endpoint. We provide detailed API documentation with code examples in cURL, Python, and Node.js.
What is the difference between APIMODELS and the official OpenAI API?
APIMODELS offers the same Text Embedding 3 Large model through our aggregation platform. We provide a unified API interface so you do not need separate accounts for each provider - one API key to access all models.
How does Text Embedding 3 Large compare to other Text Embedding models?
On APIMODELS, Text Embedding 3 Large runs alongside 60+ models on one API key and one balance, so choosing is about fit, not lock-in. It supports 3072 Dimensions, High Accuracy, Flexible, and you can weigh it on price and capability against other Text Embedding models, then switch by changing a single model-name string — no new account or integration. Browse every Text Embedding option with live pricing at apimodels.app/models.
What can Text Embedding 3 Large do?
Text Embedding 3 Large supports: 3072 Dimensions, High Accuracy, Flexible. See the APIMODELS docs for full parameters and call examples.
Can I access the Text Embedding 3 Large API from anywhere (incl. China)?
Yes. APIMODELS exposes Text Embedding 3 Large through a single unified API and one key — no separate provider accounts, and no need to handle each provider's regional network access yourself.
What payment methods are supported?
We support Stripe (Visa, Mastercard, and other international cards) and Alipay. Credits are available instantly after payment.