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Langfuse: 15.6M downloads/mo, 22.4K GitHub stars, $4.0M fundedvs
Neptune AI: 437.9K downloads/mo
Source: AI-Buzz AI company database.
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| Metric | Langfuse | Neptune AI |
|---|---|---|
| Website | langfuse.com → | neptune.ai → |
| Description | Open-source LLM observability platform. Monitor and debug AI applications. | Experiment tracking and model registry for ML teams |
| Total Funding | $4M✓ | — |
| Last Funding | Seed May 2024 | Not available |
| Developer Adoption | ||
| npm Downloads (30d) | 3.1M✓ | — |
| npm Trend (30d) | 90-day trend-2.3% | — |
| PyPI Downloads (30d) | 12.5M✓ | 437.9K |
| Total Downloads (30d) | 15.6M✓ | 437.9K |
| HN Discussion Share | 0.9% of HN mentions | 0.2% of HN mentions |
| Status | Private | Private |
| HN Mentions (30d) | 11✓ | 2 |
| HN Mentions Trend (30d) | 90-day trend+400.0% | Insufficient data for trend chart Need at least 2 data points (currently have 0) |
| GitHub Stars | 22.4K✓ | — |
| Founded | 2023 | 2017 |
| Primary Category | ||