Mainstream LLM API Uptime Tested: Anthropic Lags, Kimi K3 Hits 99.4%

weswinder · x · 2026-08-02

A developer reported significant differences in API reliability among mainstream LLMs on OpenRouter. Anthropic (Claude) showed poor uptime, with its Google Vertex integration at the bottom. In contrast, Moonshot's Kimi K3 demonstrated exceptional stability with a 99.43% uptime.

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