LLM AI Reliability Ranking — 2026
Choosing an LLM provider means choosing a reliability level. This ranking compiles community reports submitted on DownForAI over the past 90 days. Services with fewer reports rank higher — they are the foundation of a reliable AI stack.
Most Reliable LLM Services
Full Ranking
Most Reported
Services with the highest report counts in the past 90 days. Note: services with more users may receive more reports even with a similar disruption rate.
Period analyzed: 90 rolling days, updated hourly. Sources: Community reports submitted by DownForAI users. This ranking measures perception based on user experience, not technical uptime telemetry.
Frequently Asked Questions
The ranking is based on the number of community reports submitted by DownForAI users over the past 90 days. Services with fewer reports rank higher. Each report represents a user confirming that a service was not working for them.
DownForAI currently monitors 62 LLM AI services. All services are checked automatically every 75 minutes.