From dce0d08f8c8c721c6dea8d8ec172a8946bf2eb02 Mon Sep 17 00:00:00 2001
From: Jochen <jochenx@bekmann.com>
Date: Mon, 10 Nov 2025 11:58:34 +1100
Subject: [PATCH] fix OpenAI max_token config read

---
 crates/g3-core/src/lib.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/crates/g3-core/src/lib.rs b/crates/g3-core/src/lib.rs
index a3d248f..0560534 100644
--- a/crates/g3-core/src/lib.rs
+++ b/crates/g3-core/src/lib.rs
@@ -1033,7 +1033,10 @@ impl<W: UiWriter> Agent<W> {
                     config.agent.fallback_default_max_tokens as u32
                 }
             }
-            "openai" => 192000,
+            "openai" => {
+                // gpt-5 has 400k window
+                get_provider_max_tokens(config, "openai").unwrap_or(400000)
+            }
             "anthropic" => {
                 // Claude models have large context windows
                 // Use configured max_tokens or fall back to default