The Xither Signal · No. 004
The Enterprise Guide to Open-Source vs. Proprietary LLMs
NLP & Language · Published 2026-05-29
Open-source LLMs have reached performance parity with proprietary APIs in 2026. This report maps the top 5 models — Llama 4, Mistral Large 3, DeepSeek-V3.2, Qwen 3, and GLM-4.7 — across cost, licensing, and deployment architecture.
What's inside
- Cover with the report's three headline statistics
- Executive summary with the central argument
- Before / after workflow comparison
- Five vendor profiles — what they are, who they fit, where they fall short
- Concrete action items for buyers
- Named primary sources for every statistic