Aya 23 35BvsAya Expanse
Cohere vs Cohere — Side-by-side model comparison
Head-to-Head Comparison
| Metric | Aya 23 35B | Aya Expanse |
|---|---|---|
| Provider | ||
| Arena Rank | — | — |
| Context Window | 8K | 128K |
| Input Pricing | Free (open)/1M tokens | Free/1M tokens |
| Output Pricing | Free (open)/1M tokens | Free/1M tokens |
| Parameters | 35B | 32B |
| Open Source | Yes | Yes |
| Best For | Multilingual tasks, low-resource languages | Multilingual (23 languages), research |
| Release Date | May 23, 2024 | Oct 24, 2024 |
Aya 23 35B
Aya 23 35B is Cohere's open-source multilingual model supporting 23 languages, with particular strength in underserved and low-resource languages. Developed through a massive community research effort involving thousands of contributors worldwide, Aya represents a democratizing force in AI, ensuring language model capabilities extend beyond English and a handful of high-resource languages.
View Cohere profile →Aya Expanse
Aya Expanse is Cohere's multilingual open-source model supporting 23 languages, developed through the Cohere For AI research initiative with contributions from researchers worldwide. The 32B parameter model demonstrates strong performance across diverse languages and tasks, with particular attention to lower-resource languages that are often underserved by mainstream AI models. As an open-source contribution, Aya Expanse aims to democratize access to high-quality multilingual AI and enable researchers globally to build on its capabilities for their specific linguistic and cultural contexts.
View Cohere profile →Key Differences: Aya 23 35B vs Aya Expanse
Aya Expanse supports a larger context window (128K), allowing it to process longer documents in a single request.
Aya 23 35B has 35B parameters vs Aya Expanse's 32B, which affects inference speed and capability.
When to use Aya 23 35B
- +Your use case involves multilingual tasks, low-resource languages
When to use Aya Expanse
- +You need to process long documents (128K context)
- +Your use case involves multilingual (23 languages), research
The Verdict
Aya Expanse wins our head-to-head comparison with 3 out of 5 category wins. It's the stronger choice for multilingual (23 languages), research, though Aya 23 35B holds an edge in multilingual tasks, low-resource languages.
Last compared: March 2026 · Data sourced from public benchmarks and official pricing pages