fix: map gpt-5.1 model names to o200k_base - #582
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gpt-5.1 uses a dotted name, so it never matched the existing gpt-5- prefix used for dated snapshots. Add an exact gpt-5.1 entry and a gpt-5. prefix for future dotted 5.x releases. Fixes openai#578 Signed-off-by: Solaris-star <820622658@qq.com>
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Summary
encoding_for_model("gpt-5.1")raisedKeyErrorbecause only exactgpt-5and the hyphenatedgpt-5-prefix were mapped. The dottedgpt-5.1name matches neither.Changes
gpt-5.1→o200k_basegpt-5.→o200k_basefor dated/future dotted 5.x namesgpt-5.1andgpt-5.1-…Testing
gpt-5/gpt-5.1/gpt-5.1-2025-11-13/gpt-5-mini_tiktokenextension not built in this environment; CI should runtests/test_misc.pyFixes #578