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42 lines
1.1 KiB
Markdown
42 lines
1.1 KiB
Markdown
---
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parent: Connecting to LLMs
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nav_order: 900
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---
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# Model warnings
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{% include model-warnings.md %}
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## Specifying context window size and token costs
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You can register context window limits and costs for models that aren't known
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to aider. Create a `.aider.models.json` file in one of these locations:
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- Your home directory.
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- The root if your git repo.
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- The current directory where you launch aider.
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- Or specify a specific file with the `--model-metadata-file <filename>` switch.
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If the files above exist, they will be loaded in that order.
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Files loaded last will take priority.
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The json file should be a dictionary with an entry for each model, as follows:
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```
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{
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"deepseek-chat": {
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"max_tokens": 4096,
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"max_input_tokens": 32000,
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"max_output_tokens": 4096,
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"input_cost_per_token": 0.00000014,
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"output_cost_per_token": 0.00000028,
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"litellm_provider": "deepseek",
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"mode": "chat"
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}
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}
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```
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See
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[litellm's model_prices_and_context_window.json file](https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json) for more examples.
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