feat: Add DeepSeek API to modelProviders

.env.example

@@ -368,3 +368,10 @@ CRONOSZKEVM_PRIVATE_KEY=
 
 # Fuel Ecosystem (FuelVM)
 FUEL_WALLET_PRIVATE_KEY=
+
+# DeepSeek Configuration
+DEEPSEEK_API_KEY=
+SMALL_DEEPSEEK_MODEL= # Default deepseek-chat
+MEDIUM_DEEPSEEK_MODEL= # Default deepseek-chat
+LARGE_DEEPSEEK_MODEL= # Default deepseek-chat
+

agent/src/index.ts

@@ -346,6 +346,11 @@ export function getTokenForProvider(
                 character.settings?.secrets?.GOOGLE_GENERATIVE_AI_API_KEY ||
                 settings.GOOGLE_GENERATIVE_AI_API_KEY
             );
+        case ModelProviderName.DEEPSEEK:
+            return (
+                character.settings?.secrets?.DEEPSEEK_API_KEY ||
+                settings.DEEPSEEK_API_KEY
+            );
         default:
             const errorMessage = `Failed to get token - unsupported model provider: ${provider}`;
             elizaLogger.error(errorMessage);

packages/core/src/generation.ts

@@ -589,6 +589,32 @@ export async function generateText({
                 break;
             }
 
+            case ModelProviderName.DEEPSEEK: {
+                elizaLogger.debug("Initializing DeepSeek model.");
+                const deepseek = createOpenAI({
+                    apiKey: apiKey,
+                    baseURL: endpoint,
+                    fetch: runtime.fetch,
+                });
+
+                const { text: deepseekResponse } = await aiGenerateText({
+                    model: deepseek.languageModel(model),
+                    prompt: context,
+                    system:
+                        runtime.character.system ??
+                        settings.SYSTEM_PROMPT ??
+                        undefined,
+                    temperature: temperature,
+                    maxTokens: max_response_length,
+                    frequencyPenalty: frequency_penalty,
+                    presencePenalty: presence_penalty,
+                });
+
+                response = deepseekResponse;
+                elizaLogger.debug("Received response from DeepSeek model.");
+                break;
+            }
+
             default: {
                 const errorMessage = `Unsupported provider: ${provider}`;
                 elizaLogger.error(errorMessage);

packages/core/src/models.ts

@@ -514,6 +514,24 @@ export const models: Models = {
             [ModelClass.IMAGE]: settings.LIVEPEER_IMAGE_MODEL || "ByteDance/SDXL-Lightning",
         },
     },
+    [ModelProviderName.DEEPSEEK]: {
+        endpoint: "https://api.deepseek.com/v1",
+        settings: {
+            stop: [],
+            maxInputTokens: 128000,
+            maxOutputTokens: 4096,
+            frequency_penalty: 0.0,
+            presence_penalty: 0.0,
+            temperature: 0.7,
+        },
+        model: {
+            [ModelClass.SMALL]: settings.SMALL_DEEPSEEK_MODEL || "deepseek-chat",
+            [ModelClass.MEDIUM]: settings.MEDIUM_DEEPSEEK_MODEL || "deepseek-chat",
+            [ModelClass.LARGE]: settings.LARGE_DEEPSEEK_MODEL || "deepseek-chat",
+            [ModelClass.EMBEDDING]: settings.EMBEDDING_DEEPSEEK_MODEL || "",
+            [ModelClass.IMAGE]: settings.IMAGE_DEEPSEEK_MODEL || "",
+        },
+    },
 };
 
 export function getModel(provider: ModelProviderName, type: ModelClass) {

packages/core/src/types.ts

@@ -213,6 +213,7 @@ export type Models = {
     [ModelProviderName.VENICE]: Model;
     [ModelProviderName.AKASH_CHAT_API]: Model;
     [ModelProviderName.LIVEPEER]: Model;
+    [ModelProviderName.DEEPSEEK]: Model;
 };
 
 /**
@@ -243,6 +244,7 @@ export enum ModelProviderName {
     VENICE = "venice",
     AKASH_CHAT_API = "akash_chat_api",
     LIVEPEER = "livepeer",
+    DEEPSEEK = "deepseek",
 }
 
 /**