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77 lines
2.1 KiB
Markdown
77 lines
2.1 KiB
Markdown
---
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parent: Connecting to LLMs
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nav_order: 200
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---
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# Anthropic
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To work with Anthropic's models, you need to provide your
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[Anthropic API key](https://docs.anthropic.com/claude/reference/getting-started-with-the-api)
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either in the `ANTHROPIC_API_KEY` environment variable or
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via the `--anthropic-api-key` command line switch.
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First, install aider:
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{% include install.md %}
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Then configure your API keys:
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```
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export ANTHROPIC_API_KEY=<key> # Mac/Linux
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setx ANTHROPIC_API_KEY <key> # Windows, restart shell after setx
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```
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Start working with aider and Anthropic on your codebase:
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```bash
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# Change directory into your codebase
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cd /to/your/project
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# Aider uses Claude 3.7 Sonnet by default
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aider
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# List models available from Anthropic
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aider --list-models anthropic/
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```
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{: .tip }
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Anthropic has very low rate limits.
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You can access all the Anthropic models via
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[OpenRouter](openrouter.md)
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or [Google Vertex AI](vertex.md)
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with more generous rate limits.
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You can use `aider --model <model-name>` to use any other Anthropic model.
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For example, if you want to use a specific version of Opus
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you could do `aider --model claude-3-opus-20240229`.
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## Thinking tokens
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Aider can work with Sonnet 3.7's new thinking tokens, but does not ask Sonnet to use
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thinking tokens by default.
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Enabling thinking currently requires manual configuration.
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You need to add the following to your `.aider.model.settings.yml`
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[model settings file](/docs/config/adv-model-settings.html#model-settings).
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Adjust the `budget_tokens` value to change the target number of thinking tokens.
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```yaml
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- name: anthropic/claude-3-7-sonnet-20250219
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edit_format: diff
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weak_model_name: anthropic/claude-3-5-haiku-20241022
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use_repo_map: true
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examples_as_sys_msg: true
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use_temperature: false
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extra_params:
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extra_headers:
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anthropic-beta: prompt-caching-2024-07-31,pdfs-2024-09-25,output-128k-2025-02-19
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max_tokens: 64000
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thinking:
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type: enabled
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budget_tokens: 32000 # Adjust this number
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cache_control: true
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editor_model_name: anthropic/claude-3-7-sonnet-20250219
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editor_edit_format: editor-diff
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```
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More streamlined support will be coming soon.
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