Claude Tea
Claude hit elevated errors across three models
3 models affected Developing 2 sources
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Claude
Model Sep 30, 2026
Anthropic's model family for reasoning, coding, analysis and agent workflows.
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What happened lately
Claude timeline
What it is
Claude is Anthropic’s model and assistant family. It is used through the Claude app, API and coding tools, with different models trading off speed, cost and depth.
Latest family update
Anthropic released Sonnet 5.5 on September 28. Its announcement reports faster output and lower task costs than Sonnet 5 while keeping base token rates at $2 per million input tokens and $10 per million output tokens. These efficiency claims come from Anthropic’s testing, not an independent AITrending benchmark.
Why availability matters
Model quality is only one part of a production decision. When several model tiers fail together, routing between them may not provide the fallback teams expect.
Watch point
The September 22 incident in this page’s timeline is a historical report, not a statement about current service health. Check the live status page for current incidents. Teams using Claude for agents should also test provider-level fallbacks rather than only switching between Claude models.