DEAD MODELS
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jamba-1.5-large (Vertex AI) was shut down on Feb 27, 2026; calls to it fail.

jamba-1.5-large

jamba-1.5-large (Vertex AI) was shut down on Feb 27, 2026; calls to it fail.

Provider
Vertex AI
Shutdown
Feb 27, 2026 (already shut down)
Announced
Aug 27, 2025
Replace with
no replacement named
Also written as
publishers/ai21/models/jamba-1.5-large

Source: https://docs.cloud.google.com/gemini-enterprise-agent-platform/models/deprecations/partner-models · report a wrong date

Is jamba-1.5-large in your code?

$ npx dead-models