langchain

mirror of https://github.com/hwchase17/langchain.git synced 2025-09-10 07:21:03 +00:00

Files

Vignesh A 4c9acdfbf1 Community : Add OpenAI prompt caching and reasoning tokens tracking (#27135 )

Added Token tracking for OpenAI's prompt caching and reasoning tokens
Costs updated from https://openai.com/api/pricing/

usage example
```python
from langchain_community.callbacks import get_openai_callback
from langchain_openai import ChatOpenAI
llm = ChatOpenAI(model_name="o1-mini",temperature=1)

with get_openai_callback() as cb:
    response = llm.invoke("hi "*1500)
    print(cb)
```
Output
```
Tokens Used: 1720
	Prompt Tokens: 1508
		Prompt Tokens Cached: 1408
	Completion Tokens: 212
		Reasoning Tokens: 192
Successful Requests: 1
Total Cost (USD): $0.0049559999999999995
```

---------

Co-authored-by: Chester Curme <chester.curme@gmail.com>

2024-12-19 09:31:13 -05:00

tracers

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__init__.py

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fake_callback_handler.py

multiple: pydantic 2 compatibility, v0.3 (#26443 )

2024-09-13 14:38:45 -07:00

test_callback_manager.py

core[patch]: Fix "argument of type 'NoneType' is not iterable" error in LangChainTracer (#26576 )

2024-09-17 10:29:46 -07:00

test_imports.py