Models Directory

Stable, production-ready model, recommended for most users. Offers reliable performance with well-tested features.

Experimental model with highly conversational output, natural pacing, better filler words, and instant voice cloning. Higher latency than Aurora.

Large Language Models model. Pricing info:

Aya Expanse is a highly performant 32B multilingual model, designed to rival monolingual performance through innovations in instruction tuning with data arbitrage, preference training, and model merging. Serves 23 languages.

Aya Expanse is a highly performant 8B multilingual model, designed to rival monolingual performance through innovations in instruction tuning with data arbitrage, preference training, and model merging. Serves 23 languages.

Aya Vision is a state-of-the-art multimodal model excelling at a variety of critical benchmarks for language, text, and image capabilities. Serves 23 languages. This 32 billion parameter variant is focused on state-of-art multilingual performance.

Aya Vision is a state-of-the-art multimodal model excelling at a variety of critical benchmarks for language, text, and image capabilities. This 8 billion parameter variant is focused on low latency and best-in-class performance.

Large Language Models model. Pricing info:

ChatGPT-4o points to the GPT-4o snapshot currently used in ChatGPT. We recommend using an API model like GPT-5 or GPT-4o for most API integrations, but feel free to use this ChatGPT-4o model to test our latest improvements for chat use cases.

Large Language Models model. Pricing info:

Claude 3 Opus

Claude 3 Sonnet

Claude 3.5 Sonnet

Claude 3.5 Sonnet v2

Claude Haiku 3