SupaKeeper Plain comparisons of AI coding tools

IsDown vs OpenAI Status in 2026

Compare IsDown, OpenAI Status, and Codex Forecast for tracking OpenAI usage limits and service information.

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IsDown provides service monitoring information, while OpenAI Status provides status information about OpenAI systems. [1] [2] Codex Forecast gives a statistical estimate of when OpenAI will next reset Codex usage limits. [3] A developer looking for vendor outage data can look at IsDown's published API information. [1] A developer looking for OpenAI system status can look at OpenAI Status. [2] A developer looking for Codex usage limit reset estimates can look at Codex Forecast. [3]

OptionPublished price information
IsDownStarter plan: $27 per month, or $22 per month when paid annually. [1] Pro plan: $49 per month, or $40 per month when paid annually. [1] Premium plan: $99 per month, or $80 per month when paid annually. [1]
OpenAI StatusPrice: not published.
Codex ForecastFree, with no account and no paid tier. [3]

The short answer

IsDown provides outage information from vendors through its API, including current and historical outage data. [1] OpenAI Status reports whether OpenAI systems have known issues and publishes uptime information for OpenAI services. [2] [2] Codex Forecast gives a statistical estimate of when OpenAI will next reset Codex usage limits. [3]

Developers should check whether IsDown's vendor monitoring matches their need. [1] Developers should check whether OpenAI Status information matches their need. [2] Developers should check whether Codex Forecast's reset estimates match their need. [3]

What IsDown, OpenAI Status is built for

IsDown's page says its Outage Data API provides current and historical outage data from 6,320+ vendors. [1] IsDown's pricing page says it has plans for individuals, small teams, companies with multiple products or teams, organizations with complex dependencies, and multi-client monitoring. [1] [1] [1] [1] OpenAI Status reports whether there are known issues affecting OpenAI systems. [2]

OpenAI Status reports availability metrics at an aggregate level across all tiers, models, and error types. [2] It reports uptime figures for services including APIs, Chat Completions, ChatGPT, and Codex. [2] [2] [2] [2]

What Codex Forecast is built for

Codex Forecast is made by the team that publishes this site. It gives a statistical estimate of when OpenAI will next reset Codex usage limits. [3] It combines an account it checks every 60 seconds, OpenAI staff announcements and the OpenAI status page. [3]

When a measured refill and an announcement disagree, Codex Forecast trusts the measured refill. [3] Each reset used in the forecast is listed with a link to where it was announced. [3] Its named-day predictions are scored in public, including misses. [3]

Pricing and fees

IsDown publishes several paid plans and a free trial. [1] IsDown's Starter plan costs $27 per month, or $22 per month when paid annually. [1] IsDown's Pro plan costs $49 per month, or $40 per month when paid annually. [1] IsDown's Premium plan costs $99 per month, or $80 per month when paid annually. [1] IsDown's Business plan costs $179 per month, or $150 per month when paid annually. [1] IsDown's MSP plan costs $200 per month and is billed monthly only. [1]

OpenAI Status does not publish a price. Codex Forecast is free, with no account and no paid tier. [3]

Setting it up and daily use

IsDown says creating an account gives instant access to a 14-day Pro trial. [1] IsDown says its API provides outage data for developers. [1] OpenAI Status provides status and uptime information for OpenAI services. [2] [2]

Codex Forecast is a website with a public API. [3] Its public API needs no key and gives stats, paginated reset history, forecasts and operational health. [3] The API has a published OpenAPI specification. [3] Developers can opt in to free emails sent when a reset actually happens. [3]

Things to check before you choose

A developer should check which source of information matters most for the task. A developer should check whether the tool covers the service or usage information needed. A developer should check whether the published pricing matches the budget and usage plan. A developer should check whether alerts, APIs, or public information pages match the workflow. A developer should check how often information is updated and what level of detail is provided.

How to choose

A developer looking for vendor outage data can consider IsDown because its page says its Outage Data API provides current and historical outage data from 6,320+ vendors. [1] A developer looking for OpenAI service status can consider OpenAI Status because it reports whether OpenAI systems have known issues. [2] A developer looking for Codex usage limit reset estimates can consider Codex Forecast because it gives a statistical estimate of when OpenAI will next reset Codex usage limits. [3]

Frequently asked questions

Is IsDown a tool for tracking OpenAI Codex usage resets?

IsDown's page says its Outage Data API provides current and historical outage data from 6,320+ vendors. [1] Developers should check whether vendor outage information is the information needed for tracking Codex usage limit resets. Codex Forecast gives a statistical estimate of when OpenAI will next reset Codex usage limits. [3]

Does OpenAI Status show Codex information?

OpenAI Status reports uptime information for Codex across 4 components. [2] It also reports availability metrics at an aggregate level across all tiers, models, and error types. [2] Developers should check whether status information or reset estimates are needed for their workflow.

How does Codex Forecast estimate reset times?

Codex Forecast gives a statistical estimate of when OpenAI will next reset Codex usage limits. [3] It combines an account it checks every 60 seconds, OpenAI staff announcements and the OpenAI status page. [3] When a measured refill and an announcement disagree, it trusts the measured refill. [3]

Does Codex Forecast have a price?

Codex Forecast is free, with no account and no paid tier. [3] Developers can use its website and public API without choosing a paid plan. [3] [3] The API provides stats, paginated reset history, forecasts and operational health without needing a key. [3]

Can developers get alerts from Codex Forecast?

Developers can opt in to free emails from Codex Forecast that are sent when a reset actually happens. [3] The product also lists each reset used in the forecast with a link to where it was announced. [3] Developers should check whether this alert approach matches their workflow.

It is free, with no account and no paid tier. [3]

Try Codex Forecast

Sources

  1. IsDown, isdown.app/pricing, read 2026-10-08
  2. OpenAI Status, status.openai.com, read 2026-10-08
  3. Codex Forecast's own description of itself (the product of this site's publisher)

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