diff --git a/package.json b/package.json
index b30acad..397d2e1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@literalai/client",
-  "version": "0.0.602",
+  "version": "0.1.0",
   "description": "",
   "exports": {
     ".": {
diff --git a/src/api.ts b/src/api.ts
index a6d64d3..7d510ab 100644
--- a/src/api.ts
+++ b/src/api.ts
@@ -1828,6 +1828,65 @@ export class API {
     return Object.values(result.data).map((x: any) => new DatasetItem(x));
   }
 
+  /**
+   * Creates a prompt variation for an experiment.
+   * This variation is not an official version until manually saved.
+   *
+   * @param name The name of the prompt to retrieve or create.
+   * @param templateMessages A list of template messages for the prompt.
+   * @param settings Optional settings for the prompt.
+   * @param tools Optional tools for the prompt.
+   * @returns The prompt variant id to link with the experiment.
+   */
+  public async createPromptVariant(
+    name: string,
+    templateMessages: IGenerationMessage[],
+    settings?: Maybe<Record<string, any>>,
+    tools?: Maybe<Record<string, any>>
+  ): Promise<string | undefined> {
+    const mutation = `mutation createPromptExperiment(
+        $fromLineageId: String
+        $fromVersion: Int
+        $scoreTemplateId: String
+        $templateMessages: Json
+        $settings: Json
+        $tools: Json
+        $variables: Json
+      ) {
+        createPromptExperiment(
+          fromLineageId: $fromLineageId
+          fromVersion: $fromVersion
+          scoreTemplateId: $scoreTemplateId
+          templateMessages: $templateMessages
+          settings: $settings
+          tools: $tools
+          variables: $variables
+        ) {
+          id
+          fromLineageId
+          fromVersion
+          scoreTemplateId
+          projectId
+          projectUserId
+          tools
+          settings
+          variables
+          templateMessages
+        }
+      }
+    `;
+
+    const lineage = await this.getPromptLineageByName(name);
+    const result = await this.makeGqlCall(mutation, {
+      fromLineageId: lineage?.id,
+      templateMessages,
+      settings,
+      tools
+    });
+
+    return result.data.createPromptExperiment?.id;
+  }
+
   /**
    * Creates a new dataset experiment.
    * @param datasetExperiment
@@ -1840,12 +1899,12 @@ export class API {
   public async createExperiment(datasetExperiment: {
     name: string;
     datasetId?: string;
-    promptId?: string;
+    promptVariantId?: string;
     params?: Record<string, any> | Array<Record<string, any>>;
   }) {
     const query = `
-      mutation CreateDatasetExperiment($name: String!, $datasetId: String $promptId: String, $params: Json) {
-        createDatasetExperiment(name: $name, datasetId: $datasetId, promptId: $promptId, params: $params) {
+      mutation CreateDatasetExperiment($name: String!, $datasetId: String, $promptExperimentId: String, $params: Json) {
+        createDatasetExperiment(name: $name, datasetId: $datasetId, promptExperimentId: $promptExperimentId, params: $params) {
           id
         }
       }
@@ -1853,7 +1912,7 @@ export class API {
     const datasetExperimentInput = {
       name: datasetExperiment.name,
       datasetId: datasetExperiment.datasetId,
-      promptId: datasetExperiment.promptId,
+      promptExperimentId: datasetExperiment.promptVariantId,
       params: datasetExperiment.params
     };
     const result = await this.makeGqlCall(query, datasetExperimentInput);
@@ -1947,6 +2006,34 @@ export class API {
     return result.data.createPromptLineage;
   }
 
+  /**
+   * Get an existing prompt lineage by name.
+   *
+   * @param name - The name of the prompt lineage. This parameter is required.
+   * @returns The existing prompt lineage object, or null.
+   */
+  public async getPromptLineageByName(name: string) {
+    const query = `query promptLineage(
+        $name: String!
+      ) {
+        promptLineage(
+          name: $name
+        ) {
+          id
+        }
+      }`;
+
+    const result = await this.makeGqlCall(query, {
+      name
+    });
+
+    if (!result.data || !result.data.promptLineage) {
+      return null;
+    }
+
+    return result.data.promptLineage;
+  }
+
   /**
    * @deprecated Please use getOrCreatePrompt instead.
    */
diff --git a/src/evaluation/dataset.ts b/src/evaluation/dataset.ts
index 3dfcf96..1fa6edc 100644
--- a/src/evaluation/dataset.ts
+++ b/src/evaluation/dataset.ts
@@ -96,13 +96,13 @@ export class Dataset extends DatasetFields {
    */
   async createExperiment(experiment: {
     name: string;
-    promptId?: string;
+    promptVariantId?: string;
     params?: Record<string, any> | Array<Record<string, any>>;
   }) {
     const datasetExperiment = await this.api.createExperiment({
       name: experiment.name,
       datasetId: this.id,
-      promptId: experiment.promptId,
+      promptVariantId: experiment.promptVariantId,
       params: experiment.params
     });
     return new DatasetExperiment(this.api, datasetExperiment);
diff --git a/tests/api.test.ts b/tests/api.test.ts
index 3017d07..a23ac2d 100644
--- a/tests/api.test.ts
+++ b/tests/api.test.ts
@@ -448,6 +448,20 @@ describe('End to end tests for the SDK', function () {
       expect(experiment.id).not.toBeNull();
       dataset.delete();
     });
+
+    it('should create a dataset experiment with a prompt variant', async () => {
+      const promptVariantId = await client.api.createPromptVariant(
+        'Default',
+        [{ role: 'user', content: 'hello' }],
+        { temperature: 0.5 }
+      );
+      const experiment = await client.api.createExperiment({
+        name: `test_${uuidv4()}`,
+        promptVariantId: promptVariantId
+      });
+      expect(promptVariantId).toBeDefined();
+      expect(experiment.id).not.toBeNull();
+    });
   });
 
   describe('dataset item api', () => {