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feat: add pricing entry for openrouter/google/gemini-3.1-flash-lite-preview

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Mohana Siddhartha Chivukula 2026-04-12 13:17:40 -07:00
parent 5544803b35
commit 238562d456
3 changed files with 129 additions and 1 deletions
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52
litellm/model_prices_and_context_window_backup.json
View file

@ -25164,6 +25164,58 @@
"supports_web_search": true,
"tpm": 800000
},
"openrouter/google/gemini-3.1-flash-lite-preview": {
"cache_read_input_token_cost": 2.5e-08,
"cache_read_input_token_cost_per_audio_token": 5e-08,
"input_cost_per_audio_token": 5e-07,
"input_cost_per_token": 2.5e-07,
"litellm_provider": "openrouter",
"max_audio_length_hours": 8.4,
"max_audio_per_prompt": 1,
"max_images_per_prompt": 3000,
"max_input_tokens": 1048576,
"max_output_tokens": 65536,
"max_pdf_size_mb": 30,
"max_tokens": 65536,
"max_video_length": 1,
"max_videos_per_prompt": 10,
"mode": "chat",
"output_cost_per_reasoning_token": 1.5e-06,
"output_cost_per_token": 1.5e-06,
"rpm": 2000,
"source": "https://ai.google.dev/pricing/gemini-3",
"supported_endpoints": [
"/v1/chat/completions",
"/v1/completions",
"/v1/batch"
],
"supported_modalities": [
"text",
"image",
"audio",
"video"
],
"supported_output_modalities": [
"text"
],
"supports_audio_input": true,
"supports_audio_output": false,
"supports_code_execution": true,
"supports_file_search": true,
"supports_function_calling": true,
"supports_parallel_function_calling": true,
"supports_pdf_input": true,
"supports_prompt_caching": true,
"supports_reasoning": true,
"supports_response_schema": true,
"supports_system_messages": true,
"supports_tool_choice": true,
"supports_url_context": true,
"supports_video_input": true,
"supports_vision": true,
"supports_web_search": true,
"tpm": 800000
},
"openrouter/google/gemini-3.1-pro-preview": {
"cache_read_input_token_cost": 2e-07,
"cache_read_input_token_cost_above_200k_tokens": 4e-07,

52
model_prices_and_context_window.json
View file

@ -25149,6 +25149,58 @@
"supports_web_search": true,
"tpm": 800000
},
"openrouter/google/gemini-3.1-flash-lite-preview": {
"cache_read_input_token_cost": 2.5e-08,
"cache_read_input_token_cost_per_audio_token": 5e-08,
"input_cost_per_audio_token": 5e-07,
"input_cost_per_token": 2.5e-07,
"litellm_provider": "openrouter",
"max_audio_length_hours": 8.4,
"max_audio_per_prompt": 1,
"max_images_per_prompt": 3000,
"max_input_tokens": 1048576,
"max_output_tokens": 65536,
"max_pdf_size_mb": 30,
"max_tokens": 65536,
"max_video_length": 1,
"max_videos_per_prompt": 10,
"mode": "chat",
"output_cost_per_reasoning_token": 1.5e-06,
"output_cost_per_token": 1.5e-06,
"rpm": 2000,
"source": "https://ai.google.dev/pricing/gemini-3",
"supported_endpoints": [
"/v1/chat/completions",
"/v1/completions",
"/v1/batch"
],
"supported_modalities": [
"text",
"image",
"audio",
"video"
],
"supported_output_modalities": [
"text"
],
"supports_audio_input": true,
"supports_audio_output": false,
"supports_code_execution": true,
"supports_file_search": true,
"supports_function_calling": true,
"supports_parallel_function_calling": true,
"supports_pdf_input": true,
"supports_prompt_caching": true,
"supports_reasoning": true,
"supports_response_schema": true,
"supports_system_messages": true,
"supports_tool_choice": true,
"supports_url_context": true,
"supports_video_input": true,
"supports_vision": true,
"supports_web_search": true,
"tpm": 800000
},
"openrouter/google/gemini-3.1-pro-preview": {
"cache_read_input_token_cost": 2e-07,
"cache_read_input_token_cost_above_200k_tokens": 4e-07,

26
tests/test_litellm/test_cost_calculator.py
View file

@ -1859,7 +1859,7 @@ def test_gemini_without_cache_tokens_details():
"promptTokensDetails": [
{"modality": "TEXT", "tokenCount": 6},
{"modality": "IMAGE", "tokenCount": 258},
]
],
# No cacheTokensDetails
}
}
@ -1997,3 +1997,27 @@ def test_additional_costs_only_for_azure_ai():
completion_tokens=50,
)
assert result is None, "Vertex AI should have no additional costs"
def test_openrouter_gemini_3_1_flash_lite_preview_pricing():
"""
Test that openrouter/google/gemini-3.1-flash-lite-preview has a pricing entry.
Regression test for https://github.com/BerriAI/litellm/issues/25604
The model exists and is callable via OpenRouter, but was missing from
model_prices_and_context_window.json when other Gemini 3.x variants were present.
This caused ValueError: This model isn't mapped yet during router pre-call checks.
"""
os.environ["LITELLM_LOCAL_MODEL_COST_MAP"] = "True"
litellm.model_cost = litellm.get_model_cost_map(url="")
model_name = "openrouter/google/gemini-3.1-flash-lite-preview"
model_info = litellm.model_cost.get(model_name)
assert model_info is not None, f"Missing model pricing entry: {model_name}"
assert model_info["litellm_provider"] == "openrouter"
assert model_info["input_cost_per_token"] == 2.5e-07
assert model_info["output_cost_per_token"] == 1.5e-06
assert model_info["max_input_tokens"] == 1048576
assert model_info["max_output_tokens"] == 65536