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fix(routing): strip provider prefix from model ID when custom base_url is configured (fixes #433)

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Nathan Esquenazi
2026-04-14 19:06:35 +00:00
committed by Hermes Agent
parent 85d8aad0ae
commit b3ad60d2c9
2 changed files with 8 additions and 3 deletions
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5
api/config.py
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@@ -637,7 +637,10 @@ def resolve_model_provider(model_id: str) -> tuple:
# just because the model name contains a slash (e.g. google/gemma-4-26b-a4b).
# The user has explicitly pointed at a base_url, so trust their routing config.
if config_base_url:
return model_id, config_provider, config_base_url
# Strip provider prefix (e.g. 'openai/gpt-5.4' -> 'gpt-5.4') so prefixed
# model IDs from previous sessions don't break custom endpoint routing.
bare_model = model_id.split('/', 1)[-1]
return bare_model, config_provider, config_base_url
# If prefix does NOT match config provider, the user picked a cross-provider model
# from the OpenRouter dropdown (e.g. config=anthropic but picked openai/gpt-5.4-mini).
# In this case always route through openrouter with the full provider/model string.