768-dimension English embeddings — half the vector of bge-large-en at the same per-million rate, so an index built on it is half the storage and half the comparison cost. Retrieval quality gives up little on short chunks, which is what the 512-token window enforces anyway.
Modalities
Text → Text
Input
$0.00675 /1M
Output
$0.00 /1M
Cached input
$0.00068 /1M90% off
Context
1K
Speed
fast
Pricing
Pay per token. Cached input is billed at 10% of the input rate.
+ Estimate your workload− Estimate your workload
Estimated monthly cost
$0.2956
$0.0099 / day on BGE Base EN v1.5
Same workload on:
Estimates use list pricing with cached input billed at the 90%-discount rate. Actual bills depend on real token counts — every response includes its exact cost.
How it compares
Against the peers people actually weigh it against.
| Spec | BGE Base EN v1.5 | BGE-M3 | BGE Large EN v1.5 |
|---|---|---|---|
| Input /1M | $0.00675 | $0.0135 | $0.0135 |
| Output /1M | $0.00 | $0.00 | $0.00 |
| Context | 1K | 8K | 1K |
| Tools | Yes | Yes | Yes |
| Reasoning | No | No | No |
| Speed | fast | fast | fast |
Quick start
Up and running in under two minutes.
- 1
Create an API key
Sign up and grab a key from the dashboard — $0.50 free credit, no card required.
Get API key → - 2
Make your first request
Drop in your key and send a chat completion — fully OpenAI-compatible.
curl https://kymaapi.com/v1/chat/completions \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "bge-base-en", "messages": [ {"role": "user", "content": "Explain prompt caching in one paragraph."} ] }' - 3
Stream responses
Add
"stream": trueto receive tokens as they arrive.curl https://kymaapi.com/v1/chat/completions \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "bge-base-en", "stream": true, "messages": [{"role": "user", "content": "Hello!"}] }'
FAQ
Common questions about this model.
What is the context window of BGE Base EN v1.5?
How much does the BGE Base EN v1.5 API cost?
Does BGE Base EN v1.5 support function calling?
How do I use BGE Base EN v1.5?
More models by BAAI
| Model | Context | Input | Output |
|---|---|---|---|
| 8K | $0.0135 | $0.00 | |
| 1K | $0.0135 | $0.00 |