diff --git a/evals/diff_editing/TestRunner.ts b/evals/diff_editing/TestRunner.ts
index fc8aa75d2f..d5eedd992e 100644
--- a/evals/diff_editing/TestRunner.ts
+++ b/evals/diff_editing/TestRunner.ts
@@ -1,6 +1,6 @@
 import { runSingleEvaluation, TestInput, TestResult } from "./ClineWrapper"
 import { basicSystemPrompt } from "./prompts/basicSystemPrompt"
-import { formatResponse } from "../../src/core/prompts/responses"
+import { formatResponse } from "./helpers"
 import { Anthropic } from "@anthropic-ai/sdk"
 import * as fs from "fs"
 import * as path from "path"
diff --git a/evals/diff_editing/helpers.ts b/evals/diff_editing/helpers.ts
new file mode 100644
index 0000000000..63ccd6d0c0
--- /dev/null
+++ b/evals/diff_editing/helpers.ts
@@ -0,0 +1,25 @@
+import { Anthropic } from "@anthropic-ai/sdk"
+
+const formatImagesIntoBlocks = (images?: string[]): Anthropic.ImageBlockParam[] => {
+	return images
+		? images.map((dataUrl) => {
+				// data:image/png;base64,base64string
+				const [rest, base64] = dataUrl.split(",")
+				const mimeType = rest.split(":")[1].split(";")[0]
+				return {
+					type: "image",
+					source: {
+						type: "base64",
+						media_type: mimeType,
+						data: base64,
+					},
+				} as Anthropic.ImageBlockParam
+			})
+		: []
+}
+
+export const formatResponse = {
+	imageBlocks: (images?: string[]): Anthropic.ImageBlockParam[] => {
+		return formatImagesIntoBlocks(images)
+	},
+}