OpenAI

text-embedding-ada-002

CTX8K

Embedding

Input$0.10/M

Output—

Embedding model for semantic search, retrieval, clustering, and ranking pipelines

PaidProprietary193/1044

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OpenAIEmbeddingCommon

text-embedding-ada-002

Embedding model for semantic search, retrieval, clustering, and ranking pipelines

text-embedding-ada-002

Type: Embedding
Quality: Not rated yet
Context window: 8,192 tokens
Max output: 1,536 tokens
Input price: $0.10 / 1M tokens
Output price: Not billed
Cache read: —
Cache write: —
Released: Dec 15, 2022
Knowledge cutoff: Dec 2022
Takes in: Text
Puts out: Text
Reasoning: No
Tool calling: No
Structured output: No
File attachments: No
Access: Paid
License: Proprietary
Rarity: Common
Set number: 193/1044

Open OpenAI docs Where to run it 4 Meet its creature Battle Gemini Embedding 2

Weights aren’t public. Use is governed by OpenAI’s terms. Specs from models.dev, last changed Oct 19, 2026. Official source: platform.openai.com.

How good is it?

Public leaderboard scores for text-embedding-ada-002, refreshed daily from Epoch AI and LMArena.

No public leaderboard lists text-embedding-ada-002 yet. Epoch AI and LMArena cover most chat, image, and video models from the big labs; embeddings, speech, and small open models mostly go unrated.

Where to run it

4 providers sell text-embedding-ada-002 through an API. Prices are per million tokens, cheapest first.

CheapestAzure$0.10
From the labOpenAI$0.10

API providers

Provider	Price	Context
AzureCheapest paid`text-embedding-ada-002`	$0.10	8K
Azure Cognitive Services`text-embedding-ada-002`	$0.10	8K
OpenAIOfficial`text-embedding-ada-002`	$0.10	8K
Vercel AI Gateway`openai/text-embedding-ada-002`	—	8K

From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.

Face off

Current embedding models from other labs at a similar output price.