Latitude
Open-source prompt engineering platform with versioning, evals and agent-running infrastructure (PromptL).
| Category | Prompt Management |
| Open source | Yes |
| Self-hostable | Yes |
| Pricing model | freemium |
| Pricing notes | OSS self-host; cloud free tier + paid plans |
| Framework integrations | openai-sdk, anthropic, vercel-ai |
| Funding / ownership | — |
| GitHub stars | 4,119 |
| Maintenance | active (commit 2026-06-13) |
| License (GitHub) | MIT |
| Open issues | 30 |
| Maturity signal | 95/100 (Mature) — computed from public GitHub signals, see methodology |
Pricing/feature source: https://latitude.so/pricing
Maturity signal is computed from public GitHub data only. How it is calculated.
Frequently asked questions
Is Latitude open source?
Yes. Licensed under MIT.
Can I self-host Latitude?
Yes — Latitude can run in your own infrastructure.
How much does Latitude cost?
Freemium. OSS self-host; cloud free tier + paid plans