Easily check the current costs of OpenAI's GPT and ChatGPT models.
Project description
openai-pricing
================
This repository hosts an unofficial library for OpenAI pricing calculations. Its purpose is to simplify the prediction of costs when using GPT models. The data is obtained from https://gptforwork.com/tools/openai-chatgpt-api-pricing-calculator.
Library usage
The module provides just one class, OpneAIPricing
, which loads the pricing data when instanced and answers about max tokens and costs per tokens (prompt and completion tokens).
Currently, it supports the following models:
- GPT-4 32k
- GPT-4
- GPT-3.5 16k
- GPT-3.5
- Davinci
- Curie
- Babbage
- Ada
This list can be obtained by calling OpenAIPricing.list_available_models()
.
Example
from openai_pricing import OpenAIPricing
p = OpenAIPricing()
p.list_available_models()
model = 'gpt-4-32k'
tokens = 1000 # default value for tokens is 1000
model_name = p.model_name(model) # get model name
max_tokens = p.get_max_tokens(model) # get the max tokens for a model
price_prompt = p.get_price(model, type='prompt', tokens=1000) # get the current price per 1,000 tokens in prompt
price_completion = p.get_price(model, type='completion', tokens=1000) # get the current price per 1,000 tokens in completion
print('The model', model_name)
print('accepts up to', max_tokens,'tokens.')
print('It costs $', price_prompt,'per 1,000 prompt tokens')
print('and $', price_completion, 'per 1,000 completion tokens.')
# Get an average price per requests with "p.get_price(model, type='both')". "both" is the default value for the "type" argument and 1000 is the default value for the "tokens" argument.
print('The average value for request is', p.get_price(model, type='both'),'per 1,000 tokens (500 tokens in prompt and 500 pormpt in completion.')
Output:
+--------------+-------------------+
| Model name | Technical name |
|--------------+-------------------|
| GPT-4 32k | gpt-4-32k |
| GPT-4 | gpt-4 |
| GPT-3.5 16k | gpt-3.5-turbo-16k |
| GPT-3.5 | gpt-3.5-turbo |
| Davinci | text-davinci-003 |
| Curie | text-curie-001 |
| Babbage | text-babbage-001 |
| Ada | text-ada-001 |
+--------------+-------------------+
The model GPT-4 32k
accepts up to 32768 tokens.
It costs $ 0.06 per 1,000 prompt tokens
and $ 0.12 per 1,000 completion tokens.
The average value for request is 0.09 per 1,000 tokens (500 tokens in prompt and 500 pormpt in completion.
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