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Description
Describe the bug
The build fails because PyO3 v0.20.3, a dependency used by tiktoken, supports Python versions only up to 3.12. Your system uses Python 3.13, which is newer than PyO3’s maximum supported version.
Key Message Excerpt: the configured Python interpreter version (3.13) is newer than PyO3's maximum supported version (3.12)
Running C:\Users\austi\AppData\Local\Temp\pip-install-2_q0eb33\tiktoken_da6f727c7cde4585897f623d26304160\target\release\build\pyo3-ffi-c12d1413c63cd310\build-script-build
error: failed to run custom build command for pyo3-ffi v0.20.3
Caused by:
process didn't exit successfully: `C:\Users\austi\AppData\Local\Temp\pip-install-2_q0eb33\tiktoken_da6f727c7cde4585897f623d26304160\target\release\build\pyo3-ffi-c12d1413c63cd310\build-script-build` (exit code: 1)
--- stdout
cargo:rerun-if-env-changed=PYO3_CROSS
cargo:rerun-if-env-changed=PYO3_CROSS_LIB_DIR
cargo:rerun-if-env-changed=PYO3_CROSS_PYTHON_VERSION
cargo:rerun-if-env-changed=PYO3_CROSS_PYTHON_IMPLEMENTATION
cargo:rerun-if-env-changed=PYO3_PRINT_CONFIG
cargo:rerun-if-env-changed=PYO3_USE_ABI3_FORWARD_COMPATIBILITY
--- stderr
error: the configured Python interpreter version (3.13) is newer than PyO3's maximum supported version (3.12)
= help: please check if an updated version of PyO3 is available. Current version: 0.20.3
= help: set PYO3_USE_ABI3_FORWARD_COMPATIBILITY=1 to suppress this check and build anyway using the stable ABI
warning: build failed, waiting for other jobs to finish...
error: `cargo rustc --lib --message-format=json-render-diagnostics --manifest-path Cargo.toml --release -v --features pyo3/extension-module --crate-type cdylib --` failed with code 101
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
ERROR: Failed building wheel for tiktoken
Failed to build tiktoken
[notice] A new release of pip is available: 24.3.1 -> 25.2
[notice] To update, run: python.exe -m pip install --upgrade pip
ERROR: ERROR: Failed to build installable wheels for some pyproject.toml based projects (tiktoken)
Reproduce
- Update to Python 3.13.2
- Install via pip:
pip install open-interpreter
Expected behavior
Pip installation completed successfully
Screenshots

Open Interpreter version
default
Python version
3.13.2
Operating System name and version
Windows 11
Additional context
No response