whatmodel.sh / Aya Expanse 8B

Aya Expanse 8B is an open-weights language model from Cohere, released October 2024. Its published size is 8.03B parameters and a 8k-token context window. Licence: cc-by-nc-4.0.

Catalogue identity notes

Arena entry 'c4ai-aya-expanse-8b' (text). LMArena's leaderboard table (arena-leaderboard space @6f2eeeb) labels 'c4ai-aya-expanse-8b' as 'Aya-Expanse-8B' (Cohere, CC-BY-NC-4.0), linking https://huggingface.co/CohereForAI/aya-expanse-8b. Maker repo CohereLabs/aya-expanse-8b @5062468: licence tag cc-by-nc-4.0. 8,028,033,024 parameters from the Hugging Face safetensors metadata (dense, so active = total). Released 2024-10: month the maker's Hugging Face repo was created (createdAt 2024-10-23). Cohere deprecations: c4ai-aya-expanse-8b retired April 4th, 2026.

46.6±2.0#406 of 719 LLMsfrom 7 benchmark results across 6 sources

$ how it compares

The LLMs ranked either side of Aya Expanse 8B, out of 828 with a score, then more from Cohere.

#modelscorewhereRAMreleased
481Gemma 4 E2B Google47±1api $0.050/M +local~5.1GB2026-04
482Magicoder-S-CL-7B UIUC (ise-uiuc)47±1local~5.8GB2023-12
483Aya Expanse 8B Cohere47±2local~6.2GB2024-10
484Phind CodeLlama 34B v2 Phind47±1local~23GB2023-08
485CogVLM2 Llama3 Chinese Chat 19B Zhipu AI (THUDM)47±7comparison only2024-05
more from Cohere
76North Small Translate 1.0 Cohere71±6api price unknown2026-08
175Command A+ (05-2026) Cohere64±1api price unknown +local~71GB2026-05
277Command A (03-2025) Cohere57±1api $4.38/M +local~37GB2025-03

see all LLMs · find the ones that fit your machine

$ what it's good at

chat & writing▁▁▁▃▅▄▅█▆▆▇▃ #289 of 393 * · 67% of its score · 2 tests

Beats Ministral 3 14B Reasoning 2512, Gemma 4 E4B, OpenThinker3 7B here, though they rank higher overall. Trails Flan-T5 XXL, LFM2 700M, EXAONE 3.5 2.4B Instruct here, though they rank lower overall.

testresultvs the others in its rundifficultycountswhy
LMArena (text)1223.0 ✎▁▁▁▂▃▃▃▆▆▇█▃ beats 78/379avg 1268▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 36%blunt
Arabic IFEval prompt-level (Inception)48.5% ✎▁·▁▁▂▁▄▄▆▄█▄ beats 25/38medium · avg 49%▇▇▇▇▇▇▇▇▇▇▇▇ 30%sharp · at its level
other tests5 not in a task · 31% of its score
testresultvs the others in its rundifficultycountswhy
Open Persian LLM Leaderboard v2 average (21 tasks)53.6% ✎▂▄▂▃█▄▃▆▃▅▂▂ beats 39/81medium · avg 58%▇▇▇▇▇▇ 16%blunt · at its level
Open PT-LLM Leaderboard average (9 Portuguese tasks)70.7% ✎▃▁▁▁▁▁▁▁▂█▅▁ beats 171/276medium · avg 73%▇▇▇ 8.2%at its level · noisy
EuroEval Life in the UK (English knowledge MC), test split, 5-shot, accuracy76.7% ✎▁▁▁▁▁▁▁▂▄█▄▃ beats 55/146easy · avg 83%▇▇ 4.7%at its level · noisy
Vectara hallucination leaderboard, 2025 dataset (HHEM-2.3, factual consistency rate)87.8% ✎▁▁▂▃▄▄█▆▃▂▂▁ beats 16/140very easy · avg 94%▇ 2.6%blunt · maxed out · noisy
Vectara hallucination leaderboard (HHEM-2.3, factual consistency rate)90.5% ✎▁▂▁▂▅█▂▃▄▃▁▁ beats 50/98very easy · avg 90%▇ 0.0%blunt

$ where to run it

llama.cpp · recommended

version

  1. Install llama.cpp · Homebrew and winget installs name the commands llama-cli and llama-server instead.
    macOS / Linux
    curl -LsSf https://llama.app/install.sh | sh
    Windows
    irm https://llama.app/install.ps1 | iex

    other ways to install ↗

  2. Run Aya Expanse 8B · needs ~5.1 GB · from huggingface.co/lmstudio-community
    chat in the terminal
    llama cli -hf lmstudio-community/aya-expanse-8b-GGUF:Q4_K_M
  3. Or start a local server and open the address it prints (http://localhost:9931)
    llama serve -hf lmstudio-community/aya-expanse-8b-GGUF:Q4_K_M

LM Studio

version

  1. Install LM Studio · Open the app once before using the lms command.

    download it (macOS / Windows / Linux) ↗

  2. Run Aya Expanse 8B · needs ~5.1 GB · from huggingface.co/lmstudio-community

    open in LM Studio ↗

  3. Or download it in the terminal
    lms get https://huggingface.co/lmstudio-community/aya-expanse-8b-GGUF@Q4_K_M -y
  4. Then run lms ls to see its name, and lms chat followed by that name

Ollama

version

  1. Install Ollama

    download it (macOS / Windows) ↗

    Linux
    curl -fsSL https://ollama.com/install.sh | sh
  2. Run Aya Expanse 8B · needs ~5.32 GB · from ollama.com
    chat in the terminal
    ollama run aya-expanse:8b-q4_K_M

MLX (Mac)

version

  1. Install MLX (Mac) · Apple silicon Macs only, text only.
    with uv
    uv tool install mlx-lm
    or
    pip install mlx-lm
  2. Run Aya Expanse 8B · needs ~4.5 GB, Mac only · from huggingface.co/mlx-community
    chat in the terminal
    mlx_lm.chat --model mlx-community/aya-expanse-8b-4bit
  3. Or start an OpenAI-compatible server at http://localhost:8080/v1
    mlx_lm.server --model mlx-community/aya-expanse-8b-4bit

Weights and documentation: huggingface.co/CohereLabs ↗

$ how the score was worked out · LMArena leaderboard dataset 36%, Inception Arabic/Hindi leader… 30%, Open Persian LLM Leaderboard… 16% and 3 more

Each result implies a score on its own, after adjusting for how hard its test is and who ran it. The score is their weighted average, with a small pull toward the middle for thinly tested models. Each test's weight is its counts column above; here it's added up by who ran the tests. How it works

$ improve this page

Use a short GitHub form or edit the data through a pull request. Every number needs a source; here's which ones we can use.

data updated · sources and licences · json