LLM API Providers · reliability comparison

Anthropic API vs Cerebras Inference: which is more reliable? (2026)

Cerebras Inference is more reliable than Anthropic API, scoring 89.3 vs 36.8 out of 100. Over the last 90 days Anthropic API reported 36 incidents and Cerebras Inference reported 2, with effective uptime of 97.52% and 99.88% respectively. Cerebras Inference resolves incidents faster on average (2h 29m).

Data updated Nov 1, 2026 · How we score

Anthropic API

36.8/100

Operational

Visit Anthropic API ↗

Cerebras Inference

89.3/100

Operational

Visit Cerebras Inference ↗
VS
MetricAnthropic APICerebras Inference
Reliability score36.889.3
Rank (LLM API providers)#11#4
Uptime (90 days)97.52%99.88%
Incidents (90 days)362
Partial / major outages231
Avg time to resolve3h 34m2h 29m
Outages we detected00
Transparency score100/100100/100

Where Anthropic API and Cerebras Inference differ

  • Anthropic API reported 18× as many incidents as Cerebras Inference over the last 90 days (36 vs 2).
  • Anthropic API had 23 partial or major outages, compared with 1 for Cerebras Inference.
  • Cerebras Inference fixes problems faster: 2h 29m on average, against 3h 34m for Anthropic API.
  • Anthropic API's longest outage on record lasted 3d (Oct 7, 2026); Cerebras Inference's lasted 9h 8m (Feb 4, 2026).

90-day uptime

Anthropic API

Aug 4, 2026: no dataAug 5, 2026: 95.32% uptime, 2 incidents (Degraded performance)Aug 6, 2026 – Aug 11, 2026: no incidentsAug 12, 2026: 97.32% uptime, 1 incident (Degraded performance)Aug 13, 2026: 96.70% uptime, 1 incident (Partial outage)Aug 14, 2026: 96.95% uptime, 1 incident (Partial outage)Aug 15, 2026: no incidentsAug 16, 2026: 97.52% uptime, 1 incident (Major outage)Aug 17, 2026: 99.03% uptime, 1 incident (Degraded performance)Aug 18, 2026: 98.31% uptime, 1 incident (Degraded performance)Aug 19, 2026: 99.16% uptime, 1 incident (Degraded performance)Aug 20, 2026: 98.78% uptime, 2 incidents (Partial outage)Aug 21, 2026 – Aug 23, 2026: no incidentsAug 24, 2026: 92.91% uptime, 1 incident (Partial outage)Aug 25, 2026 – Aug 31, 2026: no incidentsSep 1, 2026: 99.00% uptime, 2 incidents (Degraded performance)Sep 2, 2026: 98.20% uptime, 2 incidents (Partial outage)Sep 3, 2026: 93.19% uptime, 2 incidents (Partial outage)Sep 4, 2026 – Sep 9, 2026: no incidentsSep 10, 2026: 98.95% uptime, 1 incident (Degraded performance)Sep 11, 2026: 99.39% uptime, 1 incident (Partial outage)Sep 12, 2026 – Sep 14, 2026: no incidentsSep 15, 2026: 97.00% uptime, 1 incident (Partial outage)Sep 16, 2026 – Sep 21, 2026: no incidentsSep 22, 2026: 96.59% uptime, 1 incident (Partial outage)Sep 23, 2026 – Sep 28, 2026: no incidentsSep 29, 2026: 95.63% uptime, 1 incident (Partial outage)Sep 30, 2026: no incidentsOct 1, 2026: 96.08% uptime, 1 incident (Degraded performance)Oct 2, 2026 – Oct 4, 2026: no incidentsOct 5, 2026: 99.44% uptime, 1 incident (Partial outage)Oct 6, 2026: 99.35% uptime, 1 incident (Partial outage)Oct 7, 2026: 75.41% uptime, 3 incidents (Partial outage)Oct 8, 2026: 50.00% uptime, 1 incident (Partial outage)Oct 9, 2026: 50.00% uptime, 1 incident (Partial outage)Oct 10, 2026: 72.04% uptime, 1 incident (Partial outage)Oct 11, 2026 – Oct 20, 2026: no incidentsOct 21, 2026: 99.58% uptime, 1 incident (Degraded performance)Oct 22, 2026: no incidentsOct 23, 2026: 98.45% uptime, 1 incident (Major outage)Oct 24, 2026: 97.74% uptime, 3 incidents (Major outage)Oct 25, 2026: 95.42% uptime, 2 incidents (Partial outage)Oct 26, 2026: no incidentsOct 27, 2026: 97.10% uptime, 2 incidents (Partial outage)Oct 28, 2026 – Nov 1, 2026: no incidents
90 days ago97.536% average daily uptimeToday

Cerebras Inference

Aug 4, 2026 – Aug 26, 2026: no incidentsAug 27, 2026: 99.99% uptime, 1 incident (Degraded performance)Aug 28, 2026 – Sep 24, 2026: no incidentsSep 25, 2026: 89.64% uptime, 1 incident (Partial outage)Sep 26, 2026 – Nov 1, 2026: no incidents
90 days ago99.884% average daily uptimeToday

Recent Anthropic API incidents

Full Anthropic API reliability report →

Recent Cerebras Inference incidents

  • Partial outageSep 25, 2026 · resolved in 4h 58m

    Partial Service Disruption

    Affected: GPT-OSS-120B, Qwen-3.8-27b

  • Degraded performanceAug 27, 2026 · resolved in <1m

    Resolved

    Affected: GPT-OSS-120B

Full Cerebras Inference reliability report →

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