All tasks / Models
A.X K2
SK Telecom's open-weights A.X MoE (Apache-2.0) with 688B total and 33B active parameters.
- SK Telecom
- Open weights
- Released 28 Jul 2026
Where it ranks
- CChat & assistantsModels · Local · 21 on Artificial Analysis Intelligence Index (secondary benchmark)
- CCodingModels · Local · 21 on Artificial Analysis Intelligence Index (secondary benchmark)
Facts
- Vendor
- SK Telecom
- Family
- A.X
- Released
- 28 Jul 2026
- Weights
- Open: download and run it yourself
- License
- Apache-2.0
- Parameters
- 692B (33B active)
- GPU memory to run locally
- ~396 GB (4-bit ≈ 692 B × 0.57 GB + 1.5 GB ≈ 396 GB, estimate.)
- Access
- Free (open weights)
- Last verified
- 19 Oct 2026
Price from huggingface.co, 19 Oct 2026.
Benchmark results
| Benchmark | Result | Entry on the leaderboard | As of | Source |
|---|---|---|---|---|
| Artificial Analysis Intelligence Index | 21 | A.X-K2Raw value from the page's embedded model data; the site displays it rounded to an integer. | 19 Oct 2026 | artificialanalysis.ai |
Where you can use it
No tracked tool lists this model yet; as open weights it runs in local runtimes.
Earlier versions
- A.X K1 · Dec 2025