From 15aa313501ec7167241077adb28e5b1aab2c5505 Mon Sep 17 00:00:00 2001 From: Mario Zechner Date: Tue, 5 May 2026 14:50:27 +0200 Subject: [PATCH] Closes #4184, codex needs a non-empty system prompt --- packages/ai/src/providers/openai-codex-responses.ts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/packages/ai/src/providers/openai-codex-responses.ts b/packages/ai/src/providers/openai-codex-responses.ts index 80eaf496a..dc6b64633 100644 --- a/packages/ai/src/providers/openai-codex-responses.ts +++ b/packages/ai/src/providers/openai-codex-responses.ts @@ -352,7 +352,7 @@ function buildRequestBody( model: model.id, store: false, stream: true, - instructions: context.systemPrompt, + instructions: context.systemPrompt || "You are a helpful assistant.", input: messages, text: { verbosity: options?.textVerbosity || "low" }, include: ["reasoning.encrypted_content"],