Previous edition: Family share within OSS-routed traffic, Nov 2025 - Apr 2026
Family share within open-weight traffic, January to October 2026
Family share within open-weight traffic, January to October 2026
59%
2%
26%
4%
5%
3%
65%
2%
17%
5%
6%
65%
2%
4%
2%
22%
2%
35%
2%
20%
6%
32%
75%
3%
5%
4%
6%
3%
72%
5%
4%
5%
4%
3%
5%
59%
3%
4%
3%
15%
6%
3%
5%
64%
4%
4%
9%
4%
7%
6%
62%
2%
8%
13%
4%
9%
60%
3%
10%
23%
DeepSeek leads open-weight traffic at 60% in October. GLM and smaller open families grew through the year.
Which open-weight model families do teams use? In October 2026 DeepSeek held 60% of open-weight traffic on the Requesty gateway. GLM reached 10% after starting the year at 4%, and smaller families such as Gemma, Nemotron and MiMo grew to 23%.
Why it mattersOpen-weight families compete on price and hosting choice. Shifts in share show which releases teams adopt in production, not just in benchmarks.
Period
Jan 2026 to Oct 2026
Updated
November 11, 2026
ID
oss-family-share-jan-oct-2026
§ 01
Key findings
- 01DeepSeek: 59% in January, 60% in October.
- 02GLM: 4% in January, 10% in October.
- 03Other open-weight families: 23% in October.
§ 01b
Questions this answers
- Which open-source LLM is most used?
- How has DeepSeek share changed in 2026?
- Which open-weight families are growing?
§ 02
Data
| Month | DeepSeek(percent) | MiniMax(percent) | Kimi (Moonshot)(percent) | Mistral(percent) | GLM (Zhipu)(percent) | Qwen (Alibaba)(percent) | Llama (Meta)(percent) | GPT-OSS (OpenAI)(percent) |
|---|---|---|---|---|---|---|---|---|
| January | 58.95% | 0.54% | 2.01% | 25.82% | 3.83% | 4.89% | 2.72% | 1.22% |
| February | 65.41% | 0.83% | 2.07% | 17.22% | 1.36% | 5.16% | 6.22% | 1.71% |
| March | 64.53% | 2.15% | 1.12% | 4.35% | 2.31% | 1.75% | 21.52% | 2.26% |
| April | 35.08% | 1.95% | 2.20% | 20.17% | 1.33% | 5.70% | 32.05% | 1.51% |
| May | 75.39% | 4.75% | 3.49% | 3.88% | 1.18% | 1.51% | 6.07% | 2.81% |
| June | 71.65% | 4.12% | 4.78% | 5.37% | 3.74% | 2.95% | 1.68% | 1.16% |
| July | 59.44% | 3.87% | 3.12% | 3.38% | 14.65% | 5.68% | 1.70% | 2.99% |
| August | 64.35% | 1.76% | 3.84% | 4.12% | 8.54% | 3.91% | 6.57% | 1.36% |
| September | 62.32% | 0.83% | 2.26% | 7.67% | 13.38% | 3.55% | 0.17% | 0.78% |
| October | 59.76% | 0.82% | 1.23% | 2.76% | 10.08% | 1.85% | 0.31% | 0.64% |
§ 03
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ID: oss-family-share-jan-oct-2026·Updated November 11, 2026·Period Jan 2026 to Oct 2026