# Open-Meteo vs Visual Crossing Weather API (slim)

> Open-Meteo scores 63.4 (B) to Visual Crossing Weather's 59.9 (C) for weather data. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/open-meteo-vs-visual-crossing.md (~2,700 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/open-meteo-vs-visual-crossing.json · canonical https://www.anchorterminal.com/compare/open-meteo-vs-visual-crossing
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-01

Open-Meteo scores 63.4 (B) on agent readiness against Visual Crossing Weather API's 59.9 (C), and leads in 5 of 7 scored categories. Visual Crossing Weather API leads on reliability. Both do weather data.

- Open-Meteo: B 63.4, rank #394 of 950 · https://www.anchorterminal.com/tools/open-meteo.min.md
- Visual Crossing Weather API: C 59.9, rank #534 of 950 · https://www.anchorterminal.com/tools/visual-crossing.min.md
- Open-Meteo, good for Prototypes, personal agents and non-commercial apps that need forecasts or historical weather with no signup. Ahead on Agent ergonomics, 85 against 78; Payments & pricing, 50 against 40; Maintenance & community, 90 against 58; Transparency & trust, 72 against 56. Also No key needed to call it; Open source.
- Visual Crossing Weather API, good for History and backfills, climate normals and date-range questions from one endpoint. Ahead on Reliability, 66 against 50. Also Free to start without a card.

| Category | Open-Meteo | Visual Crossing Weather API |
| --- | --- | --- |
| Reliability (16%) | 50 | 66 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 77 | 74 |
| Agent ergonomics (13%) | 85 | 78 |
| Security & auth (14%) | 38 | 40 |
| Payments & pricing (10%) | 50 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 90 | 58 |
| Transparency & trust (7%) | 72 | 56 |

| Fact (where they differ) | Open-Meteo | Visual Crossing Weather API |
| --- | --- | --- |
| Vendor | Open-Meteo | Visual Crossing |
| Hosted endpoint | `https://api.open-meteo.com/v1/forecast` | `https://weather.visualcrossing.com/VisualCrossingWebServices/rest/services/timeline` |
| Transports | HTTP | HTTP, Streamable HTTP |
| Auth | None | API key |
| Licence | AGPL-3.0 (code), CC BY 4.0 (data) | none |
| Tools exposed | none | 1 |
| llms.txt | no | yes |
| Last release | 2026-09-10 | none |
| Terms last updated | no date given | 2023-01-01 |
| Terms restrict benchmarking | not found in the text | yes |
| Popularity | 6.2k stars | none |