[feature-fix] adding gpt-4o option to arguments

Signed-off-by: ltn18 <nguyentamhoanglam@gmail.com>

Author: lamng3

run.py

@@ -42,7 +42,7 @@ def run(args):
 
 def parse_args():
  args = argparse.ArgumentParser()
- args.add_argument('--backend', type=str, choices=['gpt-4', 'gpt-3.5-turbo'], default='gpt-4')
+ args.add_argument('--backend', type=str, choices=['gpt-4', 'gpt-3.5-turbo', 'gpt-4o'], default='gpt-4')
  args.add_argument('--temperature', type=float, default=0.7)
 
  args.add_argument('--task', type=str, required=True, choices=['game24', 'text', 'crosswords'])