Best Open-Weights AI Model for Legal (November 2026)
As of Nov 3, 2026, no model holds the Legal, open weights crown on isitsota. GLM 5.3 ranks #1 on the board, but a crown needs a confirmed lead. The ranking is a weighted score over 1 benchmark, recomputed automatically (methodology v1.0).
Last updated Nov 3, 2026 · Full Legal board: crown history, benchmarks and methodology
Top 10 ranked
| Rank | Model | Lab | Status | Score | Open weights | Price |
|---|---|---|---|---|---|---|
| 1 | GLM 5.3 | Zhipu AI | #1 in Legal | — | Yes | $0.96 / 1M tokens (blended) |
| 2 | Mimo V2.6 Pro | Xiaomi | #2 in Legal | — | Yes | $0.54 / 1M tokens (blended) |
| 3 | Kimi K3 | Moonshot AI | #3 in Legal | — | Yes | $3.89 / 1M tokens (blended) |
| 4 | DeepSeek V4.1 Flash 1017 | DeepSeek | #4 in Legal | — | Yes | $0.52 / 1M tokens (blended) |
| 4 | GLM 5.3 Flash | Zhipu AI | #4 in Legal | — | Yes | $0.04 / 1M tokens (blended) |
| 4 | Hy4 Preview | Tencent | #4 in Legal | — | Yes | $1.25 / 1M tokens (blended) |
| 5 | DeepSeek V4.1 Flash | DeepSeek | #5 in Legal | — | Yes | $0.16 / 1M tokens (blended) |
| 6 | Muse Spark Open | Meta | #6 in Legal | — | Yes | $2 / 1M tokens (blended) |
| 7 | Mimo V2.6 Flash | Xiaomi | #7 in Legal | — | Yes | $0.18 / 1M tokens (blended) |
| 8 | Qwen3.8 27B | Alibaba / Qwen | #8 in Legal | — | Yes | $0.58 / 1M tokens (blended) |
Score is the weighted category score (the top model scores 100). Prices are the latest observed list prices.
Ranks
Last crown changes
Crown changes for this board are still empty as of Nov 3, 2026.
Which benchmarks count
- Legal Research Bench — primary, weight 1
How we decide
Legal is ranked by a weighted score over 1 benchmark: Legal Research Bench (primary, weight 1).
Only validated results count. A new #1 takes the crown once its lead is confirmed by a second signal; until then the page says the crown is pending.
The verdict engine re-checks its sources every hour and records each crown change with its date.
Who is SOTA in Legal, open weights?
As of Nov 3, 2026, Legal, open weights is uncrowned on isitsota (methodology v1.0).
Since when is the Legal, open weights crown current?
As of Nov 3, 2026, Legal, open weights has an open crown.
Which benchmarks decide Legal, open weights?
Legal is ranked by a weighted score over 1 benchmark: Legal Research Bench (primary, weight 1).
How often is this ranking updated?
Every hour, automatically. The board last changed on Nov 3, 2026.