feat(openai): add litellm.acount_tokens() public API + OpenAI token counting support - #22809

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Chesars merged 15 commits into

BerriAI:litellm_oss_staging_03_04_2026from

Chesars:worktree-count-tokens-api

Mar 5, 2026

Commits on Mar 4, 2026

feat(openai): add OpenAI token counting API support and public litellm.acount_tokens()
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43d2a19
fix: address Greptile review feedback
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d33dec8
Update litellm/llms/openai/responses/count_tokens/transformation.py

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greptile-apps[bot]
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018750e
Update litellm/proxy/response_api_endpoints/endpoints.py

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3976298
Update litellm/proxy/response_api_endpoints/endpoints.py

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cb54215
fix: avoid chat-format fallback for empty input_items, remove duplicate instructions and elif
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c185652
fix: add ProxyException handling to count_tokens endpoint
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28a20c1
Update litellm/llms/openai/responses/count_tokens/transformation.py

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greptile-apps[bot]
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91928d9
Update litellm/proxy/response_api_endpoints/endpoints.py

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greptile-apps[bot]
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59c64cb
Update litellm/llms/openai/responses/count_tokens/transformation.py

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1fb38df
Update transformation.py

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13dbcb1
Update litellm/proxy/response_api_endpoints/endpoints.py

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bbec0f7
Update litellm/llms/openai/responses/count_tokens/handler.py

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92b0585

Commits on Mar 5, 2026