Aya Expanse 8B
Aya Expanse 8B is developed by Cohere, released 2024-10-24.
Model ID: c4ai-aya-expanse-8b
Input price
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Output price
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Blended price
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Epoch Capabilities Index (ECI)
No public data yet
Epoch Mock AIME accuracy
No public data yet
Epoch FrontierMath (T1–3) accuracy
No public data yet
Arena text rating
1223.1
4th percentile of 164 models with an Arena text rating score
LMArena · as of 2026-11-06
Arena coding rating (human preference votes, not task accuracy)
1254.8
LMArena · as of 2026-11-06
Arena math rating
1201.5
LMArena · as of 2026-11-06
Arena WebDev rating
No public data yet
No API price is published for this model in our data sources (models.dev,
LiteLLM), so we show — rather than guess. It may be unreleased via API, open-weights
only, or simply not tracked yet.
See all of Cohere's models on its provider page, or browse the full model directory. Full source licenses and sync dates: /data-sources/.