Best open-weights LLM (October 2026)
As of 12 Oct 2026, the best open-weights LLM on independent benchmarks is Kimi K3 (max) by Moonshot AI (BenchLeader Index 65.5), ahead of MiMo-V2.6-Pro (BenchLeader Index 64.8) and GLM 5.3 (max) (BenchLeader Index 64.0).
Models whose weights you can download and run yourself, ranked on the BenchLeader Index. The licence varies by model; check it on the model page before you ship.
236 models qualify · data as of 12 Oct 2026 · rebuilt once a day (the run starts at 22:03 UTC)
| # | Model | Index | Price $/M | Speed tok/s |
|---|---|---|---|---|
| 1 | 65.5 | $6.00 | 41 | |
| 2 | 64.8 | $0.548 | 43 | |
| 3 | 64.0 | $2.15 | 83 | |
| 4 | 63.3 | $3.00 | 37 | |
| 5 | 62.8 | $1.98 | 93 | |
| 6 | 62.6 | $2.15 | 82 | |
| 7 | 62.2 | $0.238 | 53 | |
| 8 | 61.8 | $0.525 | 217 | |
| 9 | 59.8 | $0.230 | 56 | |
| 10 | 59.7 | $0.175 | 58 | |
| 11 | 58.9 | $1.55 | 70 | |
| 12 | 58.5 | $1.13 | 46 | |
| 13 | 58.5 | $1.71 | 62 | |
| 14 | 57.9 | – | – | |
| 15 | 57.8 | $2.06 | 60 |
Full ranked list (236 models) · Kimi K3 vs MiMo-V2.6-Pro · Methodology
Best open-weights LLM: questions
- What is the best open-weights LLM in October 2026?
- As of 12 Oct 2026, the best open-weights LLM on independent benchmarks is Kimi K3 (max) by Moonshot AI (BenchLeader Index 65.5), ahead of MiMo-V2.6-Pro (BenchLeader Index 64.8) and GLM 5.3 (max) (BenchLeader Index 64.0). BenchLeader reconciles 210 benchmarks from 42 benchmark publishers and rebuilds the ranking once a day (the run starts at 22:03 UTC).
- Which is the best value?
- MiMo-V2.6-Flash gives the most BenchLeader Index points per dollar among the top 15 here: 59.7 at $0.175 per million tokens blended, against $6.00 for Kimi K3.
- How is this ranked?
- Models whose weights you can download and run yourself, ranked on the BenchLeader Index. The licence varies by model; check it on the model page before you ship. Every score comes from an independent publisher and links to its source on the model page; self-reported launch numbers are excluded.
Cite as: BenchLeader, “Best open-weights LLM (October 2026)”, https://www.benchleader.com/best/open-weights-llm, data as of 12 Oct 2026.