# PaLM 2 for Text

> Google's first public answer to GPT-4, and for much of 2023 the model behind Bard. It reached developers under an internal size codename — bison, sitting between gecko and unicorn — that escaped into the public API and was never explained. Every PaLM-era endpoint was switched off together on a single day in April 2025.

2023-05-11 — 2025-04-21 · lived 1 year, 11 months

## The record

- Provider: Google
- Model id: `text-bison`
- Cause of death: Superseded
- Succeeded by: [Gemini 1.0 Pro](https://models.rip/gemini-1.0-pro/epitaph) (this archive's reading of lineage, not the provider's migration guidance)

## Sources

- https://docs.cloud.google.com/vertex-ai/generative-ai/docs/learn/model-versioning
- https://cloud.google.com/blog/products/ai-machine-learning/google-cloud-launches-new-ai-models-opens-generative-ai-studio

## Elsewhere

- [Stand at this grave](https://models.rip/text-bison)
- [The Google plot](https://models.rip/google)
- [The whole cemetery](https://models.rip/)