feat: add fallback for unsupported model versions (#5544)#5549
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taneja-garvit wants to merge 1 commit intoHelicone:mainfrom
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feat: add fallback for unsupported model versions (#5544)#5549taneja-garvit wants to merge 1 commit intoHelicone:mainfrom
taneja-garvit wants to merge 1 commit intoHelicone:mainfrom
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Previously, the AI Gateway would return 500 errors when encountering unknown model versions not in the registry. This created friction for users trying new model versions. Changes: - Allow unknown models with explicit providers to use passthrough - Add logging for passthrough attempts with unknown models - Add tests for unknown model handling - Create documentation for testing unknown models When a provider is specified (e.g., gpt-5-turbo/openai), the gateway now attempts to proxy the request to the target API even if the model is not in Helicone's registry. This allows users to use new model versions without waiting for registry updates. Behavior: - Unknown model WITHOUT provider: Returns helpful error (unchanged) - Unknown model WITH provider: Proxies to provider (NEW) - Known models: Work exactly as before (no regression) Closes Helicone#5544
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Previously, the AI Gateway would return 500 errors when encountering unknown model versions not in the registry. This created friction for users trying new model versions.
Changes:
When a provider is specified (e.g., gpt-5-turbo/openai), the gateway now attempts to proxy the request to the target API even if the model is not in Helicone's registry. This allows users to use new model versions without waiting for registry updates.
Behavior:
Closes #5544