docs(custom_pricing): add base_model usage for OpenAI dated model versions#19502
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Sameerlite merged 1 commit intoBerriAI:mainfrom Jan 22, 2026
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…sions Document how to use base_model to ensure custom pricing is applied when OpenAI returns dated model names (e.g., gpt-4o-mini-audio-preview-2024-12-17) that differ from the configured model name.
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Relevant issues
Related to #19490 - Helps users understand how to configure custom pricing when OpenAI returns dated model names.
Pre-Submission checklist
tests/litellm/directory, Adding at least 1 test is a hard requirement - N/A (documentation only)make test-unit- N/A (documentation only)Type
📖 Documentation
Changes
Added documentation explaining how to use
base_modelwhen OpenAI returns dated model names (e.g.,gpt-4o-mini-audio-preview-2024-12-17) that differ from the configured model name.This helps users understand why their custom pricing might not be applied and how to fix it by setting
base_modelin theirmodel_infoconfiguration.