[Bug]: cost calculation from Azure openai is wrong for new version

[yiranwu0]

Describe the bug

Azure OpenAi completion returns the model without version information. The returned model is either 'gpt-35-turbo' or 'gpt-4'. From there, we are calculating the cost based on gpt-3.5-0613: ((0.0015, 0.002) per 1k prompt and completion tokens) and gpt-4-0613: (0.03,0.06). This means the cost is wrong if the user is using the 1106 version of the models from azure OpenAI.

Potential solution: One way is to pass the model name specified by the user (instead of the model returned from completion) to calculation cost. However, self-created names (for example, gpt4-11) can result in fail at cost calculation.

Steps to reproduce

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Expected Behavior

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Screenshots and logs

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Additional Information

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