diff --git a/docs/components/embedders/models/together.mdx b/docs/components/embedders/models/together.mdx
index 5727d5f1d..b8990760b 100644
--- a/docs/components/embedders/models/together.mdx
+++ b/docs/components/embedders/models/together.mdx
@@ -1,15 +1,20 @@
---
title: Together
-description: "Configure Together AI as an embedding provider in Mem0 with support for 768-dimensional embedding models."
+description: "Configure Together AI as an embedding provider in Mem0 with support for 1024-dimensional embedding models."
---
-To use Together embedding models, set the `TOGETHER_API_KEY` environment variable. You can obtain the Together API key from the [Together Platform](https://api.together.xyz/settings/api-keys).
+To use Together embedding models, set the `TOGETHER_API_KEY` environment variable. You can obtain the Together API key from the [Together Platform](https://api.together.ai/settings/projects/~current/api-keys).
### Usage
- The `embedding_model_dims` parameter for `vector_store` should be set to `768` for Together embedder.
+ The `embedding_model_dims` parameter for `vector_store` should be set to `1024` for Together embedder.
-```python
+
+**Breaking default change.** The default Together embedding model is now `intfloat/multilingual-e5-large-instruct` (**1024-dim**), replacing the previous default `togethercomputer/m2-bert-80M-8k-retrieval` (**768-dim**). If you created a self-hosted vector store with the old default, its collection is 768-dim and will reject the new 1024-dim vectors **recreate/reindex the collection at 1024 dimensions** after upgrading. To defer the change, pin the previous values explicitly (`model="togethercomputer/m2-bert-80M-8k-retrieval"`, `embedding_dims=768`) note Together no longer lists this model among its recommended embeddings, so reindexing at 1024 is the durable path.
+
+
+
+```python Python
import os
from mem0 import Memory
@@ -20,7 +25,7 @@ config = {
"embedder": {
"provider": "together",
"config": {
- "model": "togethercomputer/m2-bert-80M-8k-retrieval"
+ "model": "intfloat/multilingual-e5-large-instruct"
}
}
}
@@ -29,18 +34,50 @@ m = Memory.from_config(config)
messages = [
{"role": "user", "content": "I'm planning to watch a movie tonight. Any recommendations?"},
{"role": "assistant", "content": "How about thriller movies? They can be quite engaging."},
- {"role": "user", "content": "I’m not a big fan of thriller movies but I love sci-fi movies."},
+ {"role": "user", "content": "I'm not a big fan of thriller movies but I love sci-fi movies."},
{"role": "assistant", "content": "Got it! I'll avoid thriller recommendations and suggest sci-fi movies in the future."}
]
m.add(messages, user_id="john")
```
+```typescript TypeScript
+import { Memory } from 'mem0ai/oss';
+
+const config = {
+ embedder: {
+ provider: 'together',
+ config: {
+ apiKey: process.env.TOGETHER_API_KEY || '',
+ model: 'intfloat/multilingual-e5-large-instruct',
+ embeddingDims: 1024,
+ },
+ },
+};
+
+const memory = new Memory(config);
+await memory.add("I'm visiting Paris", { userId: "john" });
+```
+
+
+
### Config
Here are the parameters available for configuring Together embedder:
+
+
| Parameter | Description | Default Value |
| --- | --- | --- |
-| `model` | The name of the embedding model to use | `togethercomputer/m2-bert-80M-8k-retrieval` |
-| `embedding_dims` | Dimensions of the embedding model | `768` |
+| `model` | The name of the embedding model to use | `intfloat/multilingual-e5-large-instruct` |
+| `embedding_dims` | Dimensions of the embedding model | `1024` |
| `api_key` | The Together API key | `None` |
+
+
+| Parameter | Description | Default Value |
+| --- | --- | --- |
+| `model` | The name of the embedding model to use | `intfloat/multilingual-e5-large-instruct` |
+| `embeddingDims` | Dimensions of the embedding model for vector store configuration | `1024` |
+| `apiKey` | The Together API key | `TOGETHER_API_KEY` |
+| `baseURL` | Base URL for an OpenAI-compatible Together endpoint | `https://api.together.ai/v1` |
+
+
diff --git a/docs/components/embedders/overview.mdx b/docs/components/embedders/overview.mdx
index 511934baf..0136560b6 100644
--- a/docs/components/embedders/overview.mdx
+++ b/docs/components/embedders/overview.mdx
@@ -10,7 +10,7 @@ Mem0 offers support for various embedding models, allowing users to choose the o
See the list of supported embedders below.
- All embedders listed below are supported in the Python implementation. The TypeScript implementation supports: **OpenAI**, **Azure OpenAI**, **Google AI**, **Langchain**, **LM Studio**, and **Ollama**.
+ All embedders listed below are supported in the Python implementation. The TypeScript implementation supports: **OpenAI**, **Azure OpenAI**, **Google AI**, **Langchain**, **LM Studio**, **Ollama**, and **Together**.
diff --git a/docs/components/llms/models/together.mdx b/docs/components/llms/models/together.mdx
index 0584349e6..2f4148c06 100644
--- a/docs/components/llms/models/together.mdx
+++ b/docs/components/llms/models/together.mdx
@@ -3,7 +3,7 @@ title: Together
description: "Configure Together AI as an LLM provider in Mem0 with API key setup and Mixtral model configuration."
---
-To use Together LLM models, you have to set the `TOGETHER_API_KEY` environment variable. You can obtain the Together API key from their [Account settings page](https://api.together.xyz/settings/api-keys).
+To use Together LLM models, you have to set the `TOGETHER_API_KEY` environment variable. You can obtain the Together API key from their [Account settings page](https://api.together.ai/settings/projects/~current/api-keys).
## Usage
@@ -37,4 +37,4 @@ m.add(messages, user_id="alice", metadata={"category": "movies"})
## Config
-All available parameters for the `together` config are present in [Master List of All Params in Config](../config).
\ No newline at end of file
+All available parameters for the `together` config are present in [Master List of All Params in Config](../config).
diff --git a/mem0-ts/src/oss/src/embeddings/together.ts b/mem0-ts/src/oss/src/embeddings/together.ts
new file mode 100644
index 000000000..acd1d17e3
--- /dev/null
+++ b/mem0-ts/src/oss/src/embeddings/together.ts
@@ -0,0 +1,24 @@
+import { OpenAIEmbedder } from "./openai";
+import { EmbeddingConfig } from "../types";
+
+const DEFAULT_BASE_URL = "https://api.together.ai/v1";
+const DEFAULT_MODEL = "intfloat/multilingual-e5-large-instruct";
+
+export class TogetherEmbedder extends OpenAIEmbedder {
+ constructor(config: EmbeddingConfig) {
+ const openAICompatibleConfig = { ...config };
+ delete openAICompatibleConfig.embeddingDims;
+
+ const apiKey = config.apiKey || process.env.TOGETHER_API_KEY;
+ if (!apiKey) {
+ throw new Error("Together API key is required");
+ }
+
+ super({
+ ...openAICompatibleConfig,
+ apiKey,
+ baseURL: config.baseURL || config.url || DEFAULT_BASE_URL,
+ model: config.model || DEFAULT_MODEL,
+ });
+ }
+}
diff --git a/mem0-ts/src/oss/src/index.ts b/mem0-ts/src/oss/src/index.ts
index b9940a17d..4ad579376 100644
--- a/mem0-ts/src/oss/src/index.ts
+++ b/mem0-ts/src/oss/src/index.ts
@@ -5,6 +5,7 @@ export * from "./embeddings/base";
export * from "./embeddings/openai";
export * from "./embeddings/ollama";
export * from "./embeddings/lmstudio";
+export * from "./embeddings/together";
export * from "./embeddings/google";
export * from "./embeddings/azure";
export * from "./embeddings/langchain";
diff --git a/mem0-ts/src/oss/src/utils/factory.ts b/mem0-ts/src/oss/src/utils/factory.ts
index efe8289a4..9ca9c26ae 100644
--- a/mem0-ts/src/oss/src/utils/factory.ts
+++ b/mem0-ts/src/oss/src/utils/factory.ts
@@ -1,6 +1,7 @@
import { OpenAIEmbedder } from "../embeddings/openai";
import { OllamaEmbedder } from "../embeddings/ollama";
import { LMStudioEmbedder } from "../embeddings/lmstudio";
+import { TogetherEmbedder } from "../embeddings/together";
import { OpenAILLM } from "../llms/openai";
import { OpenAIStructuredLLM } from "../llms/openai_structured";
import { AnthropicLLM } from "../llms/anthropic";
@@ -51,6 +52,8 @@ export class EmbedderFactory {
return new OllamaEmbedder(config);
case "lmstudio":
return new LMStudioEmbedder(config);
+ case "together":
+ return new TogetherEmbedder(config);
case "google":
case "gemini":
return new GoogleEmbedder(config);
diff --git a/mem0-ts/src/oss/tests/factory.unit.test.ts b/mem0-ts/src/oss/tests/factory.unit.test.ts
index 351dae885..d5a05aeb3 100644
--- a/mem0-ts/src/oss/tests/factory.unit.test.ts
+++ b/mem0-ts/src/oss/tests/factory.unit.test.ts
@@ -35,6 +35,11 @@ jest.mock("../src/embeddings/lmstudio", () => ({
.fn()
.mockImplementation((config) => ({ type: "lmstudio-embedder", config })),
}));
+jest.mock("../src/embeddings/together", () => ({
+ TogetherEmbedder: jest
+ .fn()
+ .mockImplementation((config) => ({ type: "together-embedder", config })),
+}));
jest.mock("../src/llms/openai", () => ({
OpenAILLM: jest
@@ -190,6 +195,7 @@ describe("EmbedderFactory", () => {
["azure_openai"],
["langchain"],
["lmstudio"],
+ ["together"],
])("creates embedder for provider '%s'", (provider) => {
expect(() =>
EmbedderFactory.create(provider, dummyEmbedConfig),
diff --git a/mem0-ts/src/oss/tests/together-embedder.test.ts b/mem0-ts/src/oss/tests/together-embedder.test.ts
new file mode 100644
index 000000000..6c667ac29
--- /dev/null
+++ b/mem0-ts/src/oss/tests/together-embedder.test.ts
@@ -0,0 +1,119 @@
+///
+
+const mockEmbeddingsCreate = jest.fn();
+const mockOpenAI = jest.fn().mockImplementation(() => ({
+ embeddings: { create: mockEmbeddingsCreate },
+}));
+
+jest.mock("openai", () => ({
+ __esModule: true,
+ default: mockOpenAI,
+}));
+
+import { TogetherEmbedder } from "../src/embeddings/together";
+
+const mockEmbedding = [0.1, 0.2, 0.3];
+const originalEnv = process.env;
+
+describe("TogetherEmbedder (unit)", () => {
+ beforeEach(() => {
+ jest.resetModules();
+ process.env = { ...originalEnv };
+ delete process.env.TOGETHER_API_KEY;
+ mockOpenAI.mockClear();
+ mockEmbeddingsCreate.mockReset();
+ mockEmbeddingsCreate.mockResolvedValue({
+ data: [{ index: 0, embedding: mockEmbedding }],
+ });
+ });
+
+ afterAll(() => {
+ process.env = originalEnv;
+ });
+
+ it("uses Together defaults with an API key from config", async () => {
+ const embedder = new TogetherEmbedder({ apiKey: "test-key" });
+
+ await embedder.embed("hello");
+
+ expect(mockOpenAI).toHaveBeenCalledWith({
+ apiKey: "test-key",
+ baseURL: "https://api.together.ai/v1",
+ });
+ expect(mockEmbeddingsCreate).toHaveBeenCalledWith({
+ model: "intfloat/multilingual-e5-large-instruct",
+ input: "hello",
+ encoding_format: "float",
+ });
+ });
+
+ it("uses TOGETHER_API_KEY when config apiKey is not provided", async () => {
+ process.env.TOGETHER_API_KEY = "env-key";
+
+ const embedder = new TogetherEmbedder({});
+
+ await embedder.embed("hello");
+
+ expect(mockOpenAI).toHaveBeenCalledWith({
+ apiKey: "env-key",
+ baseURL: "https://api.together.ai/v1",
+ });
+ });
+
+ it("supports custom model and baseURL without forwarding embeddingDims", async () => {
+ const embedder = new TogetherEmbedder({
+ apiKey: "test-key",
+ model: "custom-together-embed",
+ baseURL: "https://proxy.example.com/v1",
+ embeddingDims: 512,
+ });
+
+ await embedder.embed("hello");
+
+ expect(mockOpenAI).toHaveBeenCalledWith({
+ apiKey: "test-key",
+ baseURL: "https://proxy.example.com/v1",
+ });
+ expect(mockEmbeddingsCreate).toHaveBeenCalledWith({
+ model: "custom-together-embed",
+ input: "hello",
+ encoding_format: "float",
+ });
+ });
+
+ it("uses url as a baseURL fallback", async () => {
+ const embedder = new TogetherEmbedder({
+ apiKey: "test-key",
+ url: "https://url-fallback.example.com/v1",
+ });
+
+ await embedder.embed("hello");
+
+ expect(mockOpenAI).toHaveBeenCalledWith({
+ apiKey: "test-key",
+ baseURL: "https://url-fallback.example.com/v1",
+ });
+ });
+
+ it("sorts batch embeddings by response index", async () => {
+ mockEmbeddingsCreate.mockResolvedValueOnce({
+ data: [
+ { index: 1, embedding: [0.3, 0.4] },
+ { index: 0, embedding: [0.1, 0.2] },
+ ],
+ });
+
+ const embedder = new TogetherEmbedder({ apiKey: "test-key" });
+
+ await expect(embedder.embedBatch(["first", "second"])).resolves.toEqual([
+ [0.1, 0.2],
+ [0.3, 0.4],
+ ]);
+ });
+
+ it("throws when no API key is available", () => {
+ expect(() => new TogetherEmbedder({})).toThrow(
+ "Together API key is required",
+ );
+ });
+});
diff --git a/mem0/embeddings/together.py b/mem0/embeddings/together.py
index 253c40a4c..830747d98 100644
--- a/mem0/embeddings/together.py
+++ b/mem0/embeddings/together.py
@@ -11,10 +11,9 @@ class TogetherEmbedding(EmbeddingBase):
def __init__(self, config: Optional[BaseEmbedderConfig] = None):
super().__init__(config)
- self.config.model = self.config.model or "togethercomputer/m2-bert-80M-8k-retrieval"
+ self.config.model = self.config.model or "intfloat/multilingual-e5-large-instruct"
api_key = self.config.api_key or os.getenv("TOGETHER_API_KEY")
- # TODO: check if this is correct
- self.config.embedding_dims = self.config.embedding_dims or 768
+ self.config.embedding_dims = self.config.embedding_dims or 1024
self.client = Together(api_key=api_key)
def embed(self, text, memory_action: Optional[Literal["add", "search", "update"]] = None):
diff --git a/tests/embeddings/test_together_embeddings.py b/tests/embeddings/test_together_embeddings.py
index 86dbe7939..ede95ec12 100644
--- a/tests/embeddings/test_together_embeddings.py
+++ b/tests/embeddings/test_together_embeddings.py
@@ -5,6 +5,9 @@ import pytest
from mem0.configs.embeddings.base import BaseEmbedderConfig
from mem0.embeddings.together import TogetherEmbedding
+DEFAULT_MODEL = "intfloat/multilingual-e5-large-instruct"
+DEFAULT_EMBEDDING_DIMS = 1024
+
@pytest.fixture
def mock_together_client():
@@ -15,7 +18,7 @@ def mock_together_client():
def test_embed_text(mock_together_client):
- config = BaseEmbedderConfig(model="togethercomputer/m2-bert-80M-8k-retrieval", embedding_dims=768)
+ config = BaseEmbedderConfig(model=DEFAULT_MODEL, embedding_dims=DEFAULT_EMBEDDING_DIMS)
embedder = TogetherEmbedding(config)
mock_together_client.embeddings.create.return_value = Mock(data=[Mock(embedding=[0.1, 0.2, 0.3, 0.4, 0.5])])
@@ -23,14 +26,12 @@ def test_embed_text(mock_together_client):
text = "Sample text to embed."
embedding = embedder.embed(text)
- mock_together_client.embeddings.create.assert_called_once_with(
- model="togethercomputer/m2-bert-80M-8k-retrieval", input=text
- )
+ mock_together_client.embeddings.create.assert_called_once_with(model=DEFAULT_MODEL, input=text)
assert embedding == [0.1, 0.2, 0.3, 0.4, 0.5]
def test_embed_batch_single_call(mock_together_client):
- config = BaseEmbedderConfig(model="togethercomputer/m2-bert-80M-8k-retrieval", embedding_dims=768)
+ config = BaseEmbedderConfig(model=DEFAULT_MODEL, embedding_dims=DEFAULT_EMBEDDING_DIMS)
embedder = TogetherEmbedding(config)
mock_item0 = Mock(index=0, embedding=[0.1, 0.2, 0.3])
@@ -40,14 +41,12 @@ def test_embed_batch_single_call(mock_together_client):
texts = ["First text.", "Second text."]
embeddings = embedder.embed_batch(texts)
- mock_together_client.embeddings.create.assert_called_once_with(
- model="togethercomputer/m2-bert-80M-8k-retrieval", input=texts
- )
+ mock_together_client.embeddings.create.assert_called_once_with(model=DEFAULT_MODEL, input=texts)
assert embeddings == [[0.1, 0.2, 0.3], [0.4, 0.5, 0.6]]
def test_embed_batch_empty_list(mock_together_client):
- config = BaseEmbedderConfig(model="togethercomputer/m2-bert-80M-8k-retrieval", embedding_dims=768)
+ config = BaseEmbedderConfig(model=DEFAULT_MODEL, embedding_dims=DEFAULT_EMBEDDING_DIMS)
embedder = TogetherEmbedding(config)
result = embedder.embed_batch([])
@@ -57,7 +56,7 @@ def test_embed_batch_empty_list(mock_together_client):
def test_embed_batch_count_mismatch_raises(mock_together_client):
- config = BaseEmbedderConfig(model="togethercomputer/m2-bert-80M-8k-retrieval", embedding_dims=768)
+ config = BaseEmbedderConfig(model=DEFAULT_MODEL, embedding_dims=DEFAULT_EMBEDDING_DIMS)
embedder = TogetherEmbedding(config)
mock_item0 = Mock(index=0, embedding=[0.1, 0.2, 0.3])
@@ -65,3 +64,24 @@ def test_embed_batch_count_mismatch_raises(mock_together_client):
with pytest.raises(ValueError, match="returned 1 embeddings for 2 texts"):
embedder.embed_batch(["first text", "second text"])
+
+
+def test_default_config_applies_together_defaults(mock_together_client):
+ embedder = TogetherEmbedding(BaseEmbedderConfig())
+
+ assert embedder.config.model == DEFAULT_MODEL
+ assert embedder.config.embedding_dims == DEFAULT_EMBEDDING_DIMS
+
+
+def test_explicit_config_overrides_defaults(mock_together_client):
+ # The `config.x or default` wiring must honor user-provided values, not clobber them.
+ config = BaseEmbedderConfig(model="BAAI/bge-base-en-v1.5", embedding_dims=768)
+ embedder = TogetherEmbedding(config)
+
+ assert embedder.config.model == "BAAI/bge-base-en-v1.5"
+ assert embedder.config.embedding_dims == 768
+
+ # ...and the chosen model actually reaches the Together API call.
+ mock_together_client.embeddings.create.return_value = Mock(data=[Mock(embedding=[0.0] * 768)])
+ embedder.embed("hello")
+ mock_together_client.embeddings.create.assert_called_once_with(model="BAAI/bge-base-en-v1.5", input="hello")