From 1016cd2e6cecc7a7189108a2ef9210cc6e0cdf7c Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Mon, 2 Feb 2026 17:28:34 +0000
Subject: [PATCH 1/2] Initial plan


From 0fba3170e75a013512649cbdc8ab40ecc328f9b3 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Mon, 2 Feb 2026 17:33:04 +0000
Subject: [PATCH 2/2] Change SessionConfig model field from Literal to str

Co-authored-by: friggeri <106686+friggeri@users.noreply.github.com>
---
 python/copilot/types.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/copilot/types.py b/python/copilot/types.py
index 30bd3141c..f7058e98f 100644
--- a/python/copilot/types.py
+++ b/python/copilot/types.py
@@ -425,7 +425,7 @@ class SessionConfig(TypedDict, total=False):
     """Configuration for creating a session"""
 
     session_id: str  # Optional custom session ID
-    model: Literal["gpt-5", "claude-sonnet-4", "claude-sonnet-4.5", "claude-haiku-4.5"]
+    model: str  # Model to use for this session. Use client.list_models() to see available models.
     # Reasoning effort level for models that support it.
     # Only valid for models where capabilities.supports.reasoning_effort is True.
     reasoning_effort: ReasoningEffort