PaLM 2 for Text
text-bison
2023-05-11 — 2025-04-21 · lived 1 year, 11 months
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.
- Provider
- Cause of death
- Superseded
- Succeeded by
- Gemini 1.0 Pro
“Succeeded by” is this site’s reading of model lineage, not the provider’s official migration guidance.