# Ant Ling — Open Source LLM Development 2025: Landscape, Trends and Insights

- Company: Ant Ling (ant-ling.com)
- Announced: 2025-06-11
- Category: not stated
- Coverage: not counted
- Announcement: no
- Group: routine
- Source: https://developer.ant-ling.com/en/blogs/llm-landscape-2025
- Record: https://forck.live/items/22348-open-source-llm-development-2025-landscape-trends-and-insights
- Subject: Ling / Ring / Ming

Ant Ling's analysis of the open-source LLM development ecosystem as of May 2025 identifies 135 projects across 19 technical domains, with AI surpassing Cloud Native as the most influential tech domain on GitHub in 2023. Key trends include the rapid replication of closed-source tools as open-source clones, the abandonment of many AI tools (1,232 of 5,079 recorded), and the rise of agent frameworks, efficient inference engines (vLLM, SGLang), and reinforcement learning frameworks (Verl, OpenRLHF, AReaL).

## Evidence

Verbatim from https://developer.ant-ling.com/en/blogs/llm-landscape-2025:

> As of May 2025, the Open Source LLM Development Landscape 2025 includes 135 projects across 19 technical domains, spanning both Agent application layers and model infrastructure layers.

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Record: https://forck.live/items/22348-open-source-llm-development-2025-landscape-trends-and-insights
Catalogue: https://forck.live/llms.txt
Current issue: https://forck.live/feed.md