feat(models): add Cheaper Inference OpenAI-compatible model wrapper

scrapegraphai/helpers/models_tokens.py

@@ -348,6 +348,10 @@
         "deepseek-ai/deepseek-v4-pro": 1048576,
         "qwen/qwen3.5-flash": 1000000,
     },
+    "cheaperinference": {
+        "gpt-5.4-mini": 400000,
+        "gpt-5.4": 1000000,
+    },
     "deepseek": {
         "deepseek-chat": 128000,
         "deepseek-coder": 128000,

scrapegraphai/models/__init__.py

@@ -3,6 +3,7 @@
 """
 
 from .atlascloud import AtlasCloud
+from .cheaperinference import CheaperInference
 from .clod import CLoD
 from .deepseek import DeepSeek
 from .minimax import MiniMax
@@ -12,4 +13,4 @@
 from .openai_tts import OpenAITextToSpeech
 from .xai import XAI
 
-__all__ = ["AtlasCloud", "DeepSeek", "MiniMax", "OneApi", "OpenAIImageToText", "OpenAITextToSpeech", "CLoD", "XAI", "Nvidia"]
+__all__ = ["AtlasCloud", "CheaperInference", "DeepSeek", "MiniMax", "OneApi", "OpenAIImageToText", "OpenAITextToSpeech", "CLoD", "XAI", "Nvidia"]

scrapegraphai/models/cheaperinference.py

@@ -0,0 +1,22 @@
+"""
+Cheaper Inference Module
+"""
+
+from langchain_openai import ChatOpenAI
+
+
+class CheaperInference(ChatOpenAI):
+    """
+    A wrapper for ChatOpenAI configured for Cheaper Inference's OpenAI-compatible
+    LLM API. Each model costs 15–60% less than the list price of its lab.
+
+    Args:
+        llm_config (dict): Configuration parameters for the language model.
+    """
+
+    def __init__(self, **llm_config):
+        if "api_key" in llm_config:
+            llm_config["openai_api_key"] = llm_config.pop("api_key")
+        llm_config["openai_api_base"] = "https://api.cheaperinference.com/v1"
+
+        super().__init__(**llm_config)

tests/test_cheaperinference_model.py

@@ -0,0 +1,50 @@
+"""Tests for Cheaper Inference model configuration."""
+
+import importlib.util
+import os
+
+
+def test_cheaperinference_model_sets_openai_compatible_base_url():
+    """CheaperInference should map api_key and set its base URL."""
+    spec = importlib.util.spec_from_file_location(
+        "cheaperinference",
+        os.path.join(
+            os.path.dirname(__file__),
+            "..",
+            "scrapegraphai",
+            "models",
+            "cheaperinference.py",
+        ),
+    )
+    module = importlib.util.module_from_spec(spec)
+    spec.loader.exec_module(module)
+
+    model = module.CheaperInference(
+        api_key="test-key",
+        model="gpt-5.4-mini",
+    )
+
+    assert (
+        str(model.openai_api_base).rstrip("/") == "https://api.cheaperinference.com/v1"
+    )
+    assert model.openai_api_key.get_secret_value() == "test-key"
+
+
+def test_cheaperinference_models_in_token_list():
+    """Cheaper Inference defaults should be listed with current context lengths."""
+    spec = importlib.util.spec_from_file_location(
+        "models_tokens",
+        os.path.join(
+            os.path.dirname(__file__),
+            "..",
+            "scrapegraphai",
+            "helpers",
+            "models_tokens.py",
+        ),
+    )
+    module = importlib.util.module_from_spec(spec)
+    spec.loader.exec_module(module)
+
+    cheaperinference_models = module.models_tokens["cheaperinference"]
+    assert cheaperinference_models["gpt-5.4-mini"] == 400000
+    assert cheaperinference_models["gpt-5.4"] == 1000000