use gpt-4o for lower price; update price calculation

Author: Variante

configs/config.ini

@@ -5,7 +5,8 @@ run_openai = true
 #model = gpt-3.5-turbo
 #model = gpt-3.5-turbo-1106
 #model = gpt-4
-model = gpt-4-turbo-preview
+#model = gpt-4-turbo-preview
+model = gpt-4o
 # cost quality tradeoff - larger batches are cheaper but less accurate.
 batch_size = 5
 

filter_papers.py

@@ -52,12 +52,14 @@ def filter_papers_by_hindex(all_authors, papers, config):
 
 
 def calc_price(model, usage):
+    if model == 'gpt-4o':
+        return (5 * usage.prompt_tokens + 15 * usage.completion_tokens) / 1e6
     if model in ["gpt-4-1106-preview", "gpt-4-0125-preview", "gpt-4-turbo-preview"]:
-        return (0.01 * usage.prompt_tokens + 0.03 * usage.completion_tokens) / 1000.0
+        return (10 * usage.prompt_tokens + 30 * usage.completion_tokens) / 1e6
     if model == "gpt-4":
-        return (0.03 * usage.prompt_tokens + 0.06 * usage.completion_tokens) / 1000.0
-    if model.startswith("gpt-3.5-turbo"):
-        return (0.0015 * usage.prompt_tokens + 0.002 * usage.completion_tokens) / 1000.0
+        return (30 * usage.prompt_tokens + 60 * usage.completion_tokens) / 1e6
+    if model.startswith("gpt-3.5"):
+        return (0.5 * usage.prompt_tokens + 1.5 * usage.completion_tokens) / 1e6
 
 
 @retry.retry(tries=3, delay=2)