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Anthropic's Claude models experienced service disruptions on Aug 3-4, 2026

Anthropic experienced service disruptions on August 3rd and 4th, 2026, affecting its Claude models. The incidents involved elevated error rates for users attempting to log in or make requests to the AI models. While the August 3rd issue was resolved, a separate incident on August 4th also caused login and request errors, which Anthropic reported as resolved after monitoring. AI

IMPACT Service disruptions can impact user trust and productivity, potentially leading users to explore alternative AI models.

RANK_REASON The cluster reports on service disruptions and error rates for an existing AI product, not a new release or significant industry event.

Read on r/ClaudeAI →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

Anthropic's Claude models experienced service disruptions on Aug 3-4, 2026

COVERAGE [2]

  1. r/ClaudeAI TIER_2 English(EN) · /u/ClaudeAI-mod-bot ·

    Discussion Hub for new Claude incident: Elevated errors across many models on Aug 4, 2026

    <!-- SC_OFF --><div class="md"><p><strong>Update</strong> - We have identified an issue which resulted in some users experiencing issues when attempting to log into Anthropic services, including Claude.ai and Claude Code via oAuth. Additionally, some users saw errors when making …

  2. r/ClaudeAI TIER_2 English(EN) · /u/ClaudeAI-mod-bot ·

    Discussion Hub for new Claude incident: Error rates across multiple models on Aug 3, 2026

    <!-- SC_OFF --><div class="md"><p><strong>Resolved</strong> - This incident has been resolved. Aug 3, 14:17 UTC</p> <p><strong>Monitoring</strong> - A fix has been implemented and we are monitoring the results. Aug 3, 13:30 UTC</p> <p><strong>Investigating</strong> - We are curre…