files changedbuild-with-claude/files
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1414## File type support
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16Referencing a `file_id` in a Messages request is supported on all models that support the given file type. [Images](https://platform.claude.com/docs/en/build-with-claude/vision) are supported on all current Claude models. For [PDFs](https://platform.claude.com/docs/en/build-with-claude/pdf-support) and [other file types with the code execution tool](https://platform.claude.com/docs/en/agents-and-tools/tool-use/code-execution-tool#model-compatibility), see the linked pages for model support.
16Referencing a `file_id` in a Messages request is supported on all models that support the given file type. [Images](https://platform.claude.com/docs/en/build-with-claude/vision) are supported on all current Claude models. For [PDFs](https://platform.claude.com/docs/en/build-with-claude/pdf-support) and [other file types with the code execution tool](https://platform.claude.com/docs/en/agents-and-tools/tool-use/code-execution-tool#compatibility), see the linked pages for model support.
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1818## How the Files API works
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