Five new model IDs, including gpt-5.4 and gpt-5.5 from OpenAI (global and us regions), and

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CATCH #1614 DETECTED SEP 24, 2026 12:32 UTC

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EXHIBIT 1614 · FLASH

Sep 24, 2026 12:32 UTC model_catalog litellm model catalog

Five new model IDs, including gpt-5.4 and gpt-5.5 from OpenAI (global and us regions), and 'chirp_2' from Vertex AI, have appeared in the LiteLLM model catalog.

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looks like litellm's catalog just added gpt-5.4 and gpt-5.5 from openai! might be worth keeping an eye on.

new model ids just dropped in litellm – openai's gpt-5.4 and 5.5, plus a 'chirp_2' from vertex ai. interesting to see what these are.

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Model catalog: 5 new model ids appeared across cloud providers

[watched families / cloud] (5)
  + global.openai.gpt-5.4
  + global.openai.gpt-5.5
  + us.openai.gpt-5.4
  + us.openai.gpt-5.5
  + vertex_ai/chirp_2

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