fix(ai): clamp OpenAI Responses max output token floor

closes #6265
2026-07-06 02:21:15 +02:00
parent fda6451a2f
commit 2e4ad6a094
3 changed files with 7 additions and 2 deletions
@@ -25,6 +25,8 @@ import { convertResponsesMessages, convertResponsesTools, processResponsesStream
 import { buildBaseOptions } from "./simple-options.ts";

 const OPENAI_TOOL_CALL_PROVIDERS = new Set(["openai", "openai-codex", "opencode"]);
+// OpenAI Responses rejects max_output_tokens below 16: https://github.com/earendil-works/pi/issues/6265
+const OPENAI_RESPONSES_MIN_OUTPUT_TOKENS = 16;

 function hasHeader(headers: ProviderHeaders | undefined, name: string): boolean {
 	if (!headers) return false;
@@ -232,7 +234,7 @@ function buildParams(model: Model<"openai-responses">, context: Context, options
 	};

 	if (options?.maxTokens) {
-		params.max_output_tokens = options?.maxTokens;
+		params.max_output_tokens = Math.max(options.maxTokens, OPENAI_RESPONSES_MIN_OUTPUT_TOKENS);
 	}

 	if (options?.temperature !== undefined) {