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mpartipilo merged 2 commits into from
Jan 5, 2026
Merged

feat: voyage-multimodal-3.5 model #261

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ad5d24e
Introducing VoyageAI's new multimodal model
fzowl Dec 20, 2025
da8353b
Enhance Multi2VecVoyageAI configuration to support video fields and d…
mpartipilo Jan 5, 2026
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73 changes: 37 additions & 36 deletions docs/VECTORIZER_CONFIGURATION.md
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Original file line number Diff line number Diff line change
Expand Up @@ -231,7 +231,7 @@ public record MultiVectorConfig
{
// Aggregation method for combining multiple vectors during search
public string? Aggregation { get; init; } = "maxSim";

// Encoding configuration for compressing multi-vectors
public EncodingConfig? Encoding { get; init; } = new MuveraEncoding();
}
Expand Down Expand Up @@ -461,7 +461,7 @@ Use when you provide your own vectors.
var config = Configure.Vectorizer.SelfProvided();
```

**Wire Format:** `none`
**Wire Format:** `none`
**Type:** Single Vector

#### SelfProvided (Configure.MultiVectors)
Expand All @@ -470,7 +470,7 @@ var config = Configure.Vectorizer.SelfProvided();
var config = Configure.MultiVectors.SelfProvided().New("colbert");
```

**Wire Format:** `none`
**Wire Format:** `none`
**Type:** Multi-Vector

### Text Vectorizers
Expand All @@ -492,7 +492,7 @@ var config = Configure.Vectors.Text2VecOpenAI(
).New("default", "title", "content");
```

**Wire Format:** `text2vec-openai`
**Wire Format:** `text2vec-openai`
**Type:** Single Vector

**Parameters:**
Expand All @@ -518,7 +518,7 @@ var config = Configure.Vectors.Text2VecAzureOpenAI(
).New("default", "text");
```

**Wire Format:** `text2vec-azure-openai`
**Wire Format:** `text2vec-azure-openai`
**Type:** Single Vector

**Required Parameters:**
Expand All @@ -539,7 +539,7 @@ var config = Configure.Vectors.Text2VecCohere(
).New("default", "content");
```

**Wire Format:** `text2vec-cohere`
**Wire Format:** `text2vec-cohere`
**Type:** Single Vector

**Parameters:**
Expand All @@ -562,7 +562,7 @@ var config = Configure.Vectors.Text2VecHuggingFace(
).New("default", "text");
```

**Wire Format:** `text2vec-huggingface`
**Wire Format:** `text2vec-huggingface`
**Type:** Single Vector

**Parameters:**
Expand All @@ -587,7 +587,7 @@ var config = Configure.Vectors.Text2VecTransformers(
).New("default", "description");
```

**Wire Format:** `text2vec-transformers`
**Wire Format:** `text2vec-transformers`
**Type:** Single Vector

**Parameters:**
Expand All @@ -611,7 +611,7 @@ var config = Configure.Vectors.Text2VecGoogle(
).New("default", "text");
```

**Wire Format:** `text2vec-palm`
**Wire Format:** `text2vec-palm`
**Type:** Single Vector

**Parameters:**
Expand All @@ -635,7 +635,7 @@ var config = Configure.Vectors.Text2VecAWS(
).New("default", "content");
```

**Wire Format:** `text2vec-aws`
**Wire Format:** `text2vec-aws`
**Type:** Single Vector

**Required Parameters:**
Expand All @@ -655,7 +655,7 @@ var config = Configure.Vectors.Text2VecJinaAI(
).New("default", "text");
```

**Wire Format:** `text2vec-jinaai`
**Wire Format:** `text2vec-jinaai`
**Type:** Single Vector

#### Text2VecVoyageAI
Expand All @@ -672,7 +672,7 @@ var config = Configure.Vectors.Text2VecVoyageAI(
).New("default", "content");
```

**Wire Format:** `text2vec-voyageai`
**Wire Format:** `text2vec-voyageai`
**Type:** Single Vector

#### Text2VecOllama
Expand All @@ -687,7 +687,7 @@ var config = Configure.Vectors.Text2VecOllama(
).New("default", "text");
```

**Wire Format:** `text2vec-ollama`
**Wire Format:** `text2vec-ollama`
**Type:** Single Vector

#### Text2VecWeaviate
Expand All @@ -703,7 +703,7 @@ var config = Configure.Vectors.Text2VecWeaviate(
).New("default", "content");
```

**Wire Format:** `text2vec-weaviate`
**Wire Format:** `text2vec-weaviate`
**Type:** Single Vector

#### Text2VecDatabricks
Expand All @@ -718,7 +718,7 @@ var config = Configure.Vectors.Text2VecDatabricks(
).New("default", "text");
```

**Wire Format:** `text2vec-databricks`
**Wire Format:** `text2vec-databricks`
**Type:** Single Vector

**Required Parameters:**
Expand All @@ -737,7 +737,7 @@ var config = Configure.Vectors.Text2VecNvidia(
).New("default", "content");
```

**Wire Format:** `text2vec-nvidia`
**Wire Format:** `text2vec-nvidia`
**Type:** Single Vector

#### Text2VecMistral
Expand All @@ -752,7 +752,7 @@ var config = Configure.Vectors.Text2VecMistral(
).New("default", "text");
```

**Wire Format:** `text2vec-mistral`
**Wire Format:** `text2vec-mistral`
**Type:** Single Vector

#### Text2VecMorph
Expand All @@ -767,7 +767,7 @@ var config = Configure.Vectors.Text2VecMorph(
).New("default", "content");
```

**Wire Format:** `text2vec-morph`
**Wire Format:** `text2vec-morph`
**Type:** Single Vector

#### Text2VecModel2Vec
Expand All @@ -781,7 +781,7 @@ var config = Configure.Vectors.Text2VecModel2Vec(
).New("default", "text");
```

**Wire Format:** `text2vec-model2vec`
**Wire Format:** `text2vec-model2vec`
**Type:** Single Vector

### Multi-Media Vectorizers
Expand All @@ -801,7 +801,7 @@ var config = Configure.Vectors.Multi2VecClip(
).New("default");
```

**Wire Format:** `multi2vec-clip`
**Wire Format:** `multi2vec-clip`
**Type:** Single Vector

**With Weighted Fields:**
Expand Down Expand Up @@ -835,7 +835,7 @@ var config = Configure.Vectors.Multi2VecBind(
).New("default");
```

**Wire Format:** `multi2vec-bind`
**Wire Format:** `multi2vec-bind`
**Type:** Single Vector

**Supported Modalities:**
Expand Down Expand Up @@ -873,7 +873,7 @@ var config = Configure.Vectors.Multi2VecGoogle(
).New("default");
```

**Wire Format:** `multi2vec-palm`
**Wire Format:** `multi2vec-palm`
**Type:** Single Vector

**Required Parameters:**
Expand All @@ -899,7 +899,7 @@ var config = Configure.Vectors.Multi2VecCohere(
).New("default");
```

**Wire Format:** `multi2vec-cohere`
**Wire Format:** `multi2vec-cohere`
**Type:** Single Vector

#### Multi2VecAWS
Expand All @@ -917,7 +917,7 @@ var config = Configure.Vectors.Multi2VecAWS(
).New("default");
```

**Wire Format:** `multi2vec-aws`
**Wire Format:** `multi2vec-aws`
**Type:** Single Vector

#### Multi2VecJinaAI
Expand All @@ -935,7 +935,7 @@ var config = Configure.Vectors.Multi2VecJinaAI(
).New("default");
```

**Wire Format:** `multi2vec-jinaai`
**Wire Format:** `multi2vec-jinaai`
**Type:** Single Vector

#### Multi2VecVoyageAI
Expand All @@ -948,12 +948,13 @@ var config = Configure.Vectors.Multi2VecVoyageAI(
imageFields: ["photo"],
model: "voyage-multimodal-3",
textFields: ["caption"],
videoFields: ["video"],
truncate: false,
vectorizeCollectionName: true
).New("default");
```

**Wire Format:** `multi2vec-voyageai`
**Wire Format:** `multi2vec-voyageai`
**Type:** Single Vector

#### Multi2VecNvidia
Expand All @@ -969,7 +970,7 @@ var config = Configure.Vectors.Multi2VecNvidia(
).New("default");
```

**Wire Format:** `multi2vec-nvidia`
**Wire Format:** `multi2vec-nvidia`
**Type:** Single Vector

### Image Vectorizers
Expand All @@ -986,7 +987,7 @@ var config = Configure.Vectors.Img2VecNeural(
).New("default");
```

**Wire Format:** `img2vec-neural`
**Wire Format:** `img2vec-neural`
**Type:** Single Vector

**Required Parameters:**
Expand All @@ -1007,7 +1008,7 @@ var config = Configure.Vectors.Ref2VecCentroid(
).New("default");
```

**Wire Format:** `ref2vec-centroid`
**Wire Format:** `ref2vec-centroid`
**Type:** Single Vector

**Required Parameters:**
Expand Down Expand Up @@ -1044,7 +1045,7 @@ var config = Configure.MultiVectors.Text2MultiVecJinaAI(
);
```

**Wire Format:** `text2multivec-jinaai`
**Wire Format:** `text2multivec-jinaai`
**Type:** Multi-Vector

#### Multi2MultiVecJinaAI
Expand All @@ -1064,7 +1065,7 @@ var config = Configure.MultiVectors.Multi2MultiVecJinaAI(
);
```

**Wire Format:** `multi2multivec-jinaai`
**Wire Format:** `multi2multivec-jinaai`
**Type:** Multi-Vector

**With Weighted Fields:**
Expand Down Expand Up @@ -1128,11 +1129,11 @@ var collection = await client.Collections.Create(
// Text embeddings
Configure.Vectors.Text2VecOpenAI(model: "text-embedding-3-small")
.New("text_vec", "title", "content"),

// Image embeddings
Configure.Vectors.Img2VecNeural(imageFields: ["image"])
.New("image_vec"),

// Multi-modal embeddings
Configure.Vectors.Multi2VecClip(
textFields: ["title"],
Expand All @@ -1158,7 +1159,7 @@ var collection = await client.Collections.Create(
// Regular single vector
Configure.Vectors.Text2VecOpenAI()
.New("regular"),

// Multi-vector for fine-grained retrieval
Configure.MultiVectors.Text2MultiVecJinaAI(model: "jina-colbert-v2")
.New(
Expand Down Expand Up @@ -1328,11 +1329,11 @@ var collection = await client.Collections.Create(
// Fast vector for initial retrieval
Configure.Vectors.Text2VecOpenAI(model: "text-embedding-3-small")
.New("fast", "title", "summary"),

// Detailed vector for reranking
Configure.Vectors.Text2VecOpenAI(model: "text-embedding-3-large")
.New("detailed", "title", "content"),

// Specialized domain vector
Configure.Vectors.Text2VecCohere(model: "embed-english-v3.0")
.New("cohere", "content")
Expand Down
14 changes: 13 additions & 1 deletion src/Weaviate.Client/Configure/VectorizerFactory.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -242,34 +242,46 @@ public VectorizerConfig Multi2VecGoogle(
public VectorizerConfig Multi2VecVoyageAI(
WeightedFields imageFields,
WeightedFields textFields,
WeightedFields videoFields,
string? baseURL = null,
int? dimensions = null,
string? model = null,
bool? truncate = null,
bool? vectorizeCollectionName = null
) =>
new Models.Vectorizer.Multi2VecVoyageAI
{
BaseURL = baseURL,
Dimensions = dimensions,
ImageFields = imageFields,
Model = model,
TextFields = textFields,
VideoFields = videoFields,
Truncate = truncate,
VectorizeCollectionName = vectorizeCollectionName,
Weights = VectorizerWeights.FromWeightedFields(imageFields, textFields),
Weights = VectorizerWeights.FromWeightedFields(
imageFields,
textFields,
videoFields: videoFields
),
};

public VectorizerConfig Multi2VecVoyageAI(
string[]? imageFields = null,
string[]? textFields = null,
string[]? videoFields = null,
string? baseURL = null,
int? dimensions = null,
string? model = null,
bool? truncate = null,
bool? vectorizeCollectionName = null
) =>
new Models.Vectorizer.Multi2VecVoyageAI
{
BaseURL = baseURL,
Dimensions = dimensions,
ImageFields = imageFields,
VideoFields = videoFields,
Model = model,
TextFields = textFields,
Truncate = truncate,
Expand Down
2 changes: 2 additions & 0 deletions src/Weaviate.Client/Models/Vectorizer.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -249,9 +249,11 @@ internal Multi2VecVoyageAI() { }

[JsonPropertyName("baseUrl")]
public string? BaseURL { get; set; } = null;
public int? Dimensions { get; set; } = null;
public string[]? ImageFields { get; set; } = null;
public string? Model { get; set; } = null;
public string[]? TextFields { get; set; } = null;
public string[]? VideoFields { get; set; } = null;
public bool? Truncate { get; set; } = null;

[JsonPropertyName("vectorizeClassName")]
Expand Down
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