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59 lines
1.6 KiB
Markdown
59 lines
1.6 KiB
Markdown
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## Unknown context window size and token costs
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```
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Model foobar: Unknown context window size and costs, using sane defaults.
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```
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*You can probably ignore the unknown context window size and token costs warning.*
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If you specify a model that aider has never heard of, you will get
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this warning.
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This means aider doesn't know the context window size and token costs
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for that model.
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Aider will use an unlimited context window and assume the model is free,
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so this is not usually a significant problem.
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## Did you mean?
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If aider isn't familiar with the model you've specified,
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it will suggest similarly named models.
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This helps
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in the case where you made a typo or mistake when specifying the model name.
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```
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Model gpt-5o: Unknown context window size and costs, using sane defaults.
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Did you mean one of these?
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- gpt-4o
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```
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## Missing environment variables
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You need to set the listed environment variables.
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Otherwise you will get error messages when you start chatting with the model.
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```
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Model azure/gpt-4-turbo: Missing these environment variables:
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- AZURE_API_BASE
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- AZURE_API_VERSION
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- AZURE_API_KEY
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```
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## Unknown which environment variables are required
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```
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Model gpt-5: Unknown which environment variables are required.
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```
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Aider is unable verify the environment because it doesn't know
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which variables are required for the model.
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If required variables are missing,
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you may get errors when you attempt to chat with the model.
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You can look in the [aider's LLM documentation](/docs/llms.html)
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or the
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[litellm documentation](https://docs.litellm.ai/docs/providers)
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to see if the required variables are listed there.
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