Overview
PaLM 2 is Google's state-of-the-art large language model introduced at Google I/O 2023. It represents a significant advancement in AI capabilities, featuring improved multilingual understanding across 100+ languages, enhanced reasoning and mathematical abilities, and strong coding proficiency across popular and specialized programming languages.
The model comes in four sizes—Gecko, Otter, Bison, and Unicorn—designed for different deployment scenarios, from lightweight on-device mobile applications to enterprise-scale deployments. PaLM 2 powers over 25 Google products and features, including Bard, Google Workspace tools, Med-PaLM 2 for healthcare, and Sec-PaLM for cybersecurity analysis.
Developers can access PaLM 2 through the PaLM API or via Vertex AI with enterprise-grade privacy and security controls. Google has positioned PaLM 2 as a foundation for responsible AI advancement while working on its successor, Gemini.
Key features
- Multilingual support across 100+ languages
- Advanced reasoning and mathematical capabilities
- Strong coding proficiency in Python, JavaScript, Prolog, Fortran, Verilog
- Four model sizes: Gecko, Otter, Bison, Unicorn
- Mobile-optimized lightweight variant
- Specialized variants for medical and security use cases
- Integration with Google Cloud Vertex AI
- PaLM API access for developers
- Highly versatile with multiple model sizes for different use cases
- Improved efficiency and speed compared to previous models
- Strong multilingual capabilities including idioms and poetry
- Specialized domain variants available
- Integrated into 25+ Google products
- Mobile-friendly lightweight option
- Requires API access or Google Cloud integration for most use cases
- Limited information on pricing and availability
- Specialized variants like Med-PaLM 2 still in limited preview
- No clear open-source or self-hosted options mentioned
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