---
id: oss-family-share-jan-apr-2026
slug: oss-family-share-jan-apr-2026
title: "Family share within OSS-routed traffic, Nov 2025 - Apr 2026"
topic: agentic
period: Nov 2025 - Apr 2026
updated: 2026-05-10
license: CC BY 4.0
canonical: https://requesty.ai/data/oss-family-share-jan-apr-2026
---

# Family share within OSS-routed traffic, Nov 2025 - Apr 2026

> Which open-weight AI model is most popular in 2026? On the Requesty gateway, OSS-routed traffic went from Qwen-dominated in late 2025 (34-38% share in Nov-Dec) to DeepSeek-dominated in January 2026 (77% after the R1 launch), and back to a genuinely diversified state by April (DeepSeek 47%, Kimi 17%, MiniMax 15%). Qwen collapsed from 38% to under 4% almost overnight when DeepSeek R1 shipped.

*Topic: Agentic workloads. Period: Nov 2025 - Apr 2026. Last updated 2026-05-10.*

## Why it matters

Open-source LLM leadership rotates on a months-not-years timescale: the "best open model" changes with each new release, and the long tail diversifies fast once any single model loses its lead. For teams hard-coding OSS choices into prompts or routing rules, that means yesterday's default is often already wrong. Kimi K2 quintupling in three months is the clearest current example.

## Questions this answers

- Which open-source LLM is most popular in 2026?
- Has DeepSeek overtaken Qwen for open-weight traffic?
- How fast does open-source AI model leadership change?
- Is Kimi K2 gaining real production traction?

## Key findings

1. Qwen (Alibaba): 34% in Nov, 38% in Dec, then collapsed to under 4% from January onward. DeepSeek R1 launch killed Qwen share overnight.
2. DeepSeek: 10% in Nov, exploded to 77% in Jan (R1 launch), declining since to 47% in Apr.
3. Kimi (Moonshot): volatile. 10% Nov, 16% Dec, collapsed to 2% Jan, back to 17% Apr.
4. MiniMax: 14% Nov, near-zero Dec, recovered to 15% by Apr.
5. The OSS tier went from concentrated (one family >33%) to diversified (no family >47%) in six months.

## Data

| Month | DeepSeek (percent) | MiniMax (percent) | Kimi (Moonshot) (percent) | Mistral (percent) | GLM (Zhipu) (percent) | Qwen (Alibaba) (percent) | Llama (Meta) (percent) | GPT-OSS (OpenAI) (percent) |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| November | 10.29% | 13.59% | 9.64% | 8.66% | 14.01% | 33.64% | 2.51% | 7.64% |
| December | 17.43% | 0.48% | 15.82% | 13.59% | 7.49% | 37.55% | 2.11% | 5.44% |
| January | 76.70% | 6.39% | 1.73% | 6.47% | 3.17% | 3.85% | 0.68% | 1.02% |
| February | 63.75% | 5.39% | 7.03% | 11.89% | 6.39% | 3.38% | 1.00% | 1.19% |
| March | 65.17% | 13.96% | 4.39% | 4.99% | 7.52% | 1.61% | 1.57% | 0.80% |
| April | 46.68% | 14.58% | 16.75% | 9.65% | 6.71% | 1.72% | 3.01% | 0.90% |

## Caveats

- OSS is defined as traffic routed through open-source aggregator providers (not frontier APIs). The boundary is imperfect.

## Cite as

**APA.** Requesty (2026). Family share within OSS-routed traffic, Nov 2025 - Apr 2026. Requesty Data. https://requesty.ai/data/oss-family-share-jan-apr-2026

```bibtex
@misc{requesty_oss_family_share_jan_apr_2026,
  author       = {{Requesty}},
  title        = {Family share within OSS-routed traffic, Nov 2025 - Apr 2026},
  year         = {2026},
  howpublished = {\url{https://requesty.ai/data/oss-family-share-jan-apr-2026}},
  note         = {Requesty Data}
}
```

---

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