Model and API retirements

Within 30 days64Firm dates ahead558

64 within 30 days · 558 firm dates ahead

claude-instant-1.0 retirement date and replacement

Claude API · Model · retired Nov 6, 2024 (retired)

Vendor page

Dates

Checked Nov 9, 2026 on Anthropic's page
RetiredNov 6, 2024 (retired)
AnnouncedSep 4, 2024
Replacementclaude-haiku-4-5-20251001
What it isclaude-instant-1.0 stopped answering on Claude API.
Sourceplatform.claude.com/docs/en/about-claude/model-deprecations

Around the same time on Claude API

Anthropic
Claude APIModel

claude-1.0

Stopped answering on Claude API.

retiredNov 6, 2024
Claude APIModel

claude-1.1

Stopped answering on Claude API.

retiredNov 6, 2024
Claude APIModel

claude-1.2

Stopped answering on Claude API.

retiredNov 6, 2024
Claude APIModel

claude-1.3

Stopped answering on Claude API.

retiredNov 6, 2024
Claude APIModel

claude-instant-1.1

Stopped answering on Claude API.

retiredNov 6, 2024
Claude APIModel

claude-instant-1.2

Stopped answering on Claude API.

retiredNov 6, 2024