Claude Opus 4

Name: Claude Opus 4
Brand: Anthropic

Active

Claude Opus 4 model.

Modality:LLM

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Pricing

Platform

Scope

Input

Output

Details

openrouter

Image output

$15.00

$5.00/image

Latest changes

Haiku 4.5 elevated errors incident resolved, Opus 4.8 incident closed

Jul 21, 2026

An incident of elevated errors on Haiku 4.5 was identified and is now being monitored after a fix. A separate incident for Claude Opus 4.8 elevated errors has been resolved and removed from the status history.

Elevated errors on Haiku 4.5 identified; Opus 4.7 incident resolved

Jul 21, 2026• Major Update

An incident of elevated errors on Haiku 4.5 has been identified and a fix is being implemented. The earlier incident for Claude Opus 4.7 has been resolved. Users may experience intermittent issues with Haiku 4.5 until the fix is deployed.

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Claude Opus 4.8 and Haiku 4.5 incidents resolved

Jul 20, 2026

Two incidents affecting Claude Opus 4.8 (elevated errors) and Haiku 4.5 (elevated errors) on July 20 have been resolved. Both were investigated, identified, fixed, and monitored before resolution. A separate billing issue with Fable 5 on Max plans was also addressed.

Elevated errors on Claude Opus 4.8 and Haiku 4.5

Jul 20, 2026• Major Update

Anthropic reported elevated errors for Claude Opus 4.8 and Haiku 4.5 on July 20. Both incidents progressed from 'Investigating' to 'Identified' with fixes being implemented. A previous Enterprise SSO incident was resolved.

New incident: Elevated error rates for Sonnet 5; Opus 4.8 incident resolved

Jul 17, 2026• Major Update

A new incident with elevated error rates for Sonnet 5 is under investigation, while a previous incident for Claude Opus 4.8 has been resolved. This affects reliability for Sonnet 5 users.

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