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Codex and Claude Code downtime suggests backup usage, not preference

A recent statistic suggesting widespread user preference for both Codex and Claude Code was likely misinterpreted, according to an analysis of incident reports. The statistic, which indicated that over 60% of T3 Code users who used Codex also used Claude Code, was presented as evidence of interchangeable models and the value of a unified harness. However, an examination of status pages from August 1 to October 19 revealed significant downtime for both services, with Codex experiencing approximately 43 hours of incidents and Claude Code around 34 minutes during a two-week period. When considering an 80-day span, both models had substantial downtime, but they were concurrently unavailable for less than two hours, suggesting that users might be employing both services as a backup rather than due to preference. AI

IMPACT Suggests that users may be employing multiple LLM services as backups due to reliability issues, rather than for feature preference.

RANK_REASON Analysis of public status pages refutes a widely shared statistic about LLM usage, offering an alternative interpretation.

Read on dev.to — LLM tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Codex and Claude Code downtime suggests backup usage, not preference

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Signal score
6 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Commentary
Analysis of public status pages refutes a widely shared statistic about LLM usage, offering an alternative interpretation.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product, infra
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High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. dev.to — LLM tag TIER_1 English(EN) · Matt Busel ·

    Theo's 60% stat is an outage chart: 43 hours of Codex incidents

    <p><em>Originally published at <a href="https://tensorust.com/articles/claude-code-vs-codex-outages/" rel="noopener noreferrer">tensorust.com</a>.</em></p> <p><strong>TL;DR:</strong> <a href="https://x.com/theo" rel="noopener noreferrer">@theo</a> posted that over 60% of T3 Code …