# Anthropic Claude uptime status

Claude API status, live from Anthropic’s official status page (api.anthropic.com), with 90 days of incident history.

Live status: Operational. Read from status.claude.com on Nov 5, 2026, 16:21 UTC.
Source: [status.claude.com](https://status.claude.com)
Updated: 2026-11-05
Canonical: https://llmapi.ai/status/anthropic/

- Uptime (90 days): 99.77% (Anthropic’s figure for the Claude API)
- Incidents (30 days): 8 (Marked on the Claude API)
- Incident time (30 days): 5 h 31 min (From start to resolution)

When Anthropic goes down, LLM API sends your requests to another provider that serves the same model. No code changes.

Model ID: `claude-opus-5-5` · Endpoint: `https://api.llmapi.ai/v1`

## Is Anthropic Claude down now?

74 of 90 days without an incident · 99.77% uptime by Anthropic

Days that were not green (UTC):

- 2026-08-13: Partial outage, 1 h 45 min · Elevated errors for Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5
- 2026-08-14: Degraded · partial outage 24 min · Service disruption on Claude services
- 2026-08-16: Degraded · partial outage 33 min · Service disruption on Claude services
- 2026-08-20: Degraded · partial outage 26 min · 2 incidents
- 2026-08-24: Major outage · partial outage 3 h 24 min · Elevated errors for multiple models
- 2026-09-02: Degraded · partial outage 27 min · Elevated errors for Claude Sonnet 5
- 2026-09-03: Major outage · partial outage 3 h 7 min · 2 incidents
- 2026-09-11: Degraded · partial outage 9 min · Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
- 2026-09-15: Degraded · partial outage 1 h 26 min · Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1
- 2026-09-22: Degraded · partial outage 1 h 14 min · Elevated errors for multiple models
- 2026-10-05: Degraded · partial outage 16 min · Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
- 2026-10-06: Degraded · partial outage 19 min · Elevated errors for Claude Opus 5.5
- 2026-10-23: Degraded · major outage 17 min · Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5
- 2026-10-24: Degraded · partial outage 14 min · 3 incidents
- 2026-10-25: Degraded · partial outage 35 min · 2 incidents
- 2026-10-27: Degraded · partial outage 1 h 5 min · Elevated errors for Claude Sonnet 5.5

## Recent incidents

Last 30 days, as reported on status.claude.com. [Full history](https://status.claude.com/history)

### Elevated errors for Claude Sonnet 5.5

Partial outage · Oct 27, 15:09–15:50 UTC · 41 min · Also affected: claude.ai, Claude Code, Claude Cowork

- Resolved, Oct 27, 15:50 UTC: The issue affecting claude.ai, the Claude API, Claude Code, and Claude Cowork has been resolved. Impact occurred from 07:42 PT / 14:42 UTC to 08:17 PT / 15:17 UTC.
- Identified, Oct 27, 15:09 UTC: We are investigating elevated errors on requests to Claude Sonnet 5.5. We will provide an update as soon as possible.

[View on status.claude.com](https://stspg.io/39x7qh3sd7bd)

### Elevated errors for Claude Sonnet 5.5

Partial outage · Oct 27, 09:14–09:56 UTC · 42 min · Also affected: claude.ai, Claude Code, Claude Cowork

- Resolved, Oct 27, 09:56 UTC: The issue affecting Claude services has been resolved.
- Monitoring, Oct 27, 09:38 UTC: A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
- Investigating, Oct 27, 09:14 UTC: We are investigating elevated errors on requests to Claude Sonnet 5.5. We will provide an update as soon as possible.

[View on status.claude.com](https://stspg.io/rql9h590npxd)

### Elevated errors for Claude Fable 5.1

Partial outage · Oct 25, 08:17–08:49 UTC · 32 min · Also affected: claude.ai, Claude Code, Claude Cowork

- Resolved, Oct 25, 08:49 UTC: The issue affecting Claude services has been resolved. Impact occurred from 01:08 PT / 08:08 UTC to 01:29 PT / 08:29 UTC.
- Monitoring, Oct 25, 08:30 UTC: A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
- Identified, Oct 25, 08:17 UTC: We have identified the cause of elevated errors on requests to Claude Fable 5.1 and are working on a fix. We will provide an update as soon as possible.
- Investigating, Oct 25, 08:17 UTC: We are investigating elevated errors on requests to Claude Fable 5.1. We will provide an update as soon as possible.

[View on status.claude.com](https://stspg.io/y0gkl12ztjst)

## Claude models on LLM API

- [Claude Opus 5.5](https://llmapi.ai/models/anthropic-claude-opus-5-5/) (`claude-opus-5-5`): $4 / 1M input tokens, $20 / 1M output tokens, context 1M
- [Claude Sonnet 5.5](https://llmapi.ai/models/claude-sonnet-5-5/) (`claude-sonnet-5-5`): $2 / 1M input tokens, $10 / 1M output tokens, context 1M
- [Claude Haiku 5.5](https://llmapi.ai/models/claude-haiku-5-5/) (`claude-haiku-5-5`): $0.1 / 1M input tokens, $0.5 / 1M output tokens, context 1M

[All Claude models](https://llmapi.ai/providers/anthropic/)

## Frequently asked questions

**Q: Is Anthropic Claude down right now?**

A: No. At the last check, status.claude.com showed the API as operational. The chart above marks every day with an incident. Last check: Nov 5, 2026, 16:21 UTC.

**Q: Where does this status come from?**

A: From status.claude.com, the official status page. Uptime is the provider’s own figure, shown only where the provider publishes one.

**Q: What happens to my requests during an outage?**

A: When Anthropic goes down, LLM API sends your requests to another provider that serves the same model. No code changes.

Next step: [Get API key](https://app.llmapi.ai/signup)
