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Quick Comparison
LangChain: 228.5M downloads/mo, 127.8K GitHub starsvs
OpenRouter: 131 GitHub stars
Source: AI-Buzz AI company database.
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| Metric | LangChain | OpenRouter |
|---|---|---|
| Website | langchain.com → | openrouter.ai → |
| Description | Framework for building LLM-powered applications. Chains, agents, RAG. | Unified API for multiple AI models. Access GPT-4, Claude, Llama in one place. |
| Total Funding | — | — |
| Last Funding | Not available | Not available |
| Developer Adoption | ||
| npm Downloads (30d) | 7.2M✓ | — |
| npm Trend (30d) | 90-day trend-3.2% | — |
| PyPI Downloads (30d) | 221.3M✓ | — |
| Total Downloads (30d) | 228.5M✓ | — |
| HN Discussion Share | 2.7% of HN mentions | 4.1% of HN mentions |
| Status | Private | Private |
| HN Mentions (30d) | 171 | 258✓ |
| HN Mentions Trend (30d) | 90-day trend-24.5% | 90-day trend+56.5% |
| GitHub Stars | 127.8K✓ | 131 |
| Founded | 2022 | 2023 |
| Primary Category | ||