Text Embedding Ada 2
Text Embedding Ada 2 is OpenAI's embedding model with a 8K context window, available from 3 providers, starting at $0.100 / 1M input. OpenAI's Ada-based text embedding model producing numerical representations of text for measuring semantic relatedness between passages.
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Pricing by Provider
| Provider | Standard | Batch |
|---|---|---|
| Input $ / 1M | Input $ / 1M | |
 Azure AI Foundry | $0.100 | — |
OpenAI | $0.100 | $0.050 |
 Vercel AI Gateway | $0.100 | — |
Cost Calculator
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Text Embedding 5 | 2K | $0.025 | — | Available | |
| Embed 4 | 128K | $0.120 | $0.470 | Available | |
| Embed 4 Img | — | — | $0.470 | — | Available |
| Embed 4 Txt | — | — | $0.120 | — | Available |
| Text Embedding 4 | — | 2K | $0.100 | — | Deprecated |
| Voyage 4 | — | 32K | $0.060 | — | Available |
| Voyage 4 Large | — | 32K | $0.120 | — | Available |
| Voyage 4 Lite | — | 32K | $0.020 | — | Available |
| Voyage 3.5 | 32K | $0.060 | — | Available | |
| Voyage 3.5 Lite | 32K | $0.020 | — | Available | |
| Text Embedding Ada 2 | 8K | $0.100 | — | Current |