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Atmopricing, plans and limits

by Atmo, Inc.

Atmo builds AI weather forecasts up to 50% more accurate than traditional models, used by the US Air Force, Navy, and the Philippine government.

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Last updated: 2026-08-17

Atmo is an AI weather forecasting platform founded in 2020 that generates forecasts up to 50% more accurate than traditional numerical models, at hyperlocal, 1km spatial resolution. It combines physics-based prediction with deep neural networks and serves the US Air Force, Navy, and Philippine government.

About Atmo

Atmo is an AI weather forecasting company founded by Alex Levy and Johan Mathe, who previously built Atomwise and worked on Google X's Project Loon. The company combines physics-based Numerical Weather Prediction with deep neural networks trained on real-time data pulled from the large majority of global weather sources, including satellites, ground stations, radar, and ocean buoys, to generate forecasts it says are meaningfully more accurate than traditional supercomputer-based models and up to 40,000 times faster to produce. The core technical differentiator is resolution. Atmo forecasts at hyperlocal spatial detail that reveals nano-climate conditions coarser, continent-scale models miss entirely, across nowcasting and medium-range horizons out to 14 days. Data reaches customers through an API, business intelligence integrations, and IoT-connected alerting rather than a self-serve dashboard. Atmo is not a consumer weather app. Its customers are governments, militaries, and enterprises that need forecasting accuracy for high-stakes decisions: the US Air Force and Navy use it for defense operations, the Philippine national government uses it for disaster response, and commercial partners use it across renewable energy, agriculture, and transportation. Atmo does not publish public pricing. Every deployment is a custom, sales-led contract, and there is no free tier or self-serve signup. In June 2026, Atmo agreed to be acquired by Finnish weather technology company Vaisala for a fixed $70 million plus up to $60 million in earn-outs tied to 2026-2028 performance, with its staff including both founders set to join Vaisala's Xweather division. The deal was expected to close by the end of 2026, and Atmo continued operating under its own brand through that transition.

Pricing

Atmo does not publish self-serve pricing. All contracts are individually negotiated with government, military, and enterprise buyers through a sales process. Third-party trackers have previously listed legacy tiers around $10,000 (Basic), $25,000 (Advanced), and $50,000 (Premium) per year, but Atmo's current site shows no checkout and routes every inquiry to a contact form, so those figures should be treated as unverified and historical rather than current list prices.

Key Features

  • Nano-climate resolution: Surfaces hyperlocal, block-by-block weather conditions that standard continent-scale global models are too coarse to capture.
  • Rapid forecast generation: Produces full-resolution forecasts on a fraction of the compute time of traditional supercomputer-based Numerical Weather Prediction runs.
  • Higher forecast accuracy: Company benchmarks claim up to 50% higher accuracy than today's most advanced forecast models.
  • Hybrid physics and deep learning model: Pairs Numerical Weather Prediction with neural networks trained on live satellite, ground station, radar, and ocean buoy feeds.
  • Defense-grade production deployments: Runs in live production for the US Air Force and Navy, delivering mission-critical forecasts for defense operations.
  • API and IoT integration: Delivers forecast data through an API for integration into existing dashboards, BI tools, and IoT-connected alerting systems.

Pros

  • Documented order-of-magnitude faster forecast generation than traditional supercomputer-based NWP models, per company benchmarks.
  • Hyperlocal spatial resolution well beyond the coarse, continent-scale grids of standard global weather models.
  • In live production with high-stakes government customers including the US Air Force, US Navy, and the Philippine national government, evidence of real-world reliability rather than a lab demo.

Cons

  • No public self-serve pricing or checkout. Every plan is custom-quoted for government and enterprise buyers, which shuts out small teams and individual developers.
  • Forecast range is capped at 14 days and the model's published operating range covers -30C to 45C, so it is not built for extreme-temperature or beyond-two-week planning.
  • No G2, Trustpilot, or Product Hunt review base as of August 2026 (0 reviews found on G2), so buyers have no independent third-party validation to weigh against Atmo's own accuracy claims.

Frequently Asked Questions

How much does Atmo cost in 2026?

Atmo does not publish self-serve pricing. Contracts are individually negotiated with government, military, and enterprise buyers, and third-party trackers have previously listed legacy tiers around $10,000 to $50,000 per year, though Atmo's current site directs every inquiry to a sales contact form rather than a checkout. Expect a custom quote based on coverage area, data volume, and integration needs.

Is Atmo free to use?

Atmo has no free tier or free trial. All access, including proof-of-concept pilots for governments and enterprises, goes through Atmo's sales team rather than self-serve signup. Smaller teams or individual developers looking for a free weather API should look elsewhere.

What are the best alternatives to Atmo?

Tomorrow.io offers broader self-serve commercial API pricing and packaged weather intelligence products, a better fit for teams that want to start without a sales call. Google's WeatherNext AI models are available through Google Cloud for teams already standardized on that infrastructure. Xweather (DTN) publishes its own accuracy benchmarks and covers lightning, hail, and road-condition data that Atmo does not specialize in.

How does Atmo compare to Tomorrow.io in 2026?

Atmo publishes more aggressive headline numbers: up to 50% higher accuracy and 40,000 times faster generation than traditional NWP, plus 1km resolution and defense-grade deployments with the US Air Force and Navy. Tomorrow.io instead offers broader commercial SaaS pricing, self-serve API access, and a wider existing customer base across aviation, logistics, and media. Choose Atmo for high-stakes government or defense forecasting accuracy; choose Tomorrow.io for faster self-serve commercial access.

How do you get started with Atmo?

Atmo does not offer instant signup. Prospective customers request a demo through the contact form on atmo.ai or by emailing team@atmo.ai, after which Atmo's team scopes a custom deployment covering the required coverage area, data feeds, and integration method (API, dashboard, or IoT alerting). Expect a sales-led onboarding process rather than an instant API key.

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