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Update Bedrock documentation for Titan V2 encoding_format support

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- Add encoding_format parameter to supported parameters table
- Document float and base64 encoding format options
- Add usage examples for both encoding formats
- Update parameter documentation for amazon.titan-embed-text-v2:0
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Tim Elfrink
2025-09-18 20:24:56 +02:00
parent b100328435
commit 978cd80653
1 changed files with 19 additions and 1 deletions
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docs/my-website/docs/providers/bedrock.md
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@@ -1842,11 +1842,29 @@ response = embedding(
print(response)
```
#### Titan V2 - encoding_format support
```python
from litellm import embedding
# Float format (default)
response = embedding(
model="bedrock/amazon.titan-embed-text-v2:0",
input=["good morning from litellm"],
encoding_format="float" # Returns float array
)
# Binary format
response = embedding(
model="bedrock/amazon.titan-embed-text-v2:0",
input=["good morning from litellm"],
encoding_format="base64" # Returns base64 encoded binary
)
```
## Supported AWS Bedrock Embedding Models
| Model Name | Usage | Supported Additional OpenAI params |
|----------------------|---------------------------------------------|-----|
| Titan Embeddings V2 | `embedding(model="bedrock/amazon.titan-embed-text-v2:0", input=input)` | [here](https://github.com/BerriAI/litellm/blob/f5905e100068e7a4d61441d7453d7cf5609c2121/litellm/llms/bedrock/embed/amazon_titan_v2_transformation.py#L59) |
| Titan Embeddings V2 | `embedding(model="bedrock/amazon.titan-embed-text-v2:0", input=input)` | `dimensions`, `encoding_format` |
| Titan Embeddings - V1 | `embedding(model="bedrock/amazon.titan-embed-text-v1", input=input)` | [here](https://github.com/BerriAI/litellm/blob/f5905e100068e7a4d61441d7453d7cf5609c2121/litellm/llms/bedrock/embed/amazon_titan_g1_transformation.py#L53)
| Titan Multimodal Embeddings | `embedding(model="bedrock/amazon.titan-embed-image-v1", input=input)` | [here](https://github.com/BerriAI/litellm/blob/f5905e100068e7a4d61441d7453d7cf5609c2121/litellm/llms/bedrock/embed/amazon_titan_multimodal_transformation.py#L28) |
| Cohere Embeddings - English | `embedding(model="bedrock/cohere.embed-english-v3", input=input)` | [here](https://github.com/BerriAI/litellm/blob/f5905e100068e7a4d61441d7453d7cf5609c2121/litellm/llms/bedrock/embed/cohere_transformation.py#L18)