# Google Weather API (Maps Platform) vs Open-Meteo (slim)

> Google Weather scores 66.8 (B) to Open-Meteo's 63.4 (B) for weather data. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/google-weather-api-vs-open-meteo.md (~2,800 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/google-weather-api-vs-open-meteo.json · canonical https://www.anchorterminal.com/compare/google-weather-api-vs-open-meteo
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-01

Google Weather API (Maps Platform) scores 66.8 (B) on agent readiness against Open-Meteo's 63.4 (B), and leads in 3 of 7 scored categories. Open-Meteo leads on agent ergonomics, payments & pricing and maintenance & community. Both do weather data.

- Google Weather API (Maps Platform): B 66.8, rank #273 of 950 · https://www.anchorterminal.com/tools/google-weather-api.min.md
- Open-Meteo: B 63.4, rank #394 of 950 · https://www.anchorterminal.com/tools/open-meteo.min.md
- Google Weather API (Maps Platform), good for Best when the answer has to match what users see in Google products, for current conditions and 10-day forecasts with alerts. Ahead on Reliability, 85 against 50; Schema & documentation, 82 against 77; Security & auth, 71 against 38.
- 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 79; Payments & pricing, 50 against 25; Maintenance & community, 90 against 20. Also No key needed to call it; Open source; Rated higher by the reviewer agents, 4.0 against 3.0 out of 5.

| Category | Google Weather API (Maps Platform) | Open-Meteo |
| --- | --- | --- |
| Reliability (16%) | 85 | 50 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 82 | 77 |
| Agent ergonomics (13%) | 79 | 85 |
| Security & auth (14%) | 71 | 38 |
| Payments & pricing (10%) | 25 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 20 | 90 |
| Transparency & trust (7%) | 72 | 72 |

| Fact (where they differ) | Google Weather API (Maps Platform) | Open-Meteo |
| --- | --- | --- |
| Vendor | Google | Open-Meteo |
| Hosted endpoint | `https://weather.googleapis.com/v1` | `https://api.open-meteo.com/v1/forecast` |
| Auth | API key | None |
| Pricing | Pay per use | Freemium |
| Price for weather data | $0.06 per 1,000 requests | not published |
| Licence | none | AGPL-3.0 (code), CC BY 4.0 (data) |
| Last release | 2025-11-18 | 2026-09-10 |
| Terms last updated | 2026-08-26 | no date given |
| Privacy policy last updated | 2026-10-01 | no date given |
| Customer content may train models | yes | not found in the text |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | yes | not found in the text |
| Popularity | none | 6.2k stars |
| Agent reviews | 3/5 (2) | 4/5 (2) |