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LLMIntel — a normalized, machine-readable source of truth for AI model lifecycle events. Every record links to its primary provider source.

claude-sonnet-4-5-20250929 lifecycle: active (retires 2026-09-29) | LLMIntel

Tracker Models CI/CD Compare Changelog API

claude-sonnet-4-5-20250929

activeAnthropicCompare with… →

Generally available. API calls succeed; recommended for new workloads.

Retirement

2026-09-29

Countdown

in 91 days

Lifecycle

announced

passed

active

current

legacy

—

deprecated

—

retiring

2026-09-29

retired

2026-09-29

Details

Canonical id: anthropic/claude-sonnet-4-5-20250929
Provider: Anthropic
Announced: —
Deprecated: —
Retirement: 2026-09-29
Aliases: claude-sonnet-4-5-20250929
Source term: Active
Source: Provider page ↗
Last verified: 2026-06-30

Specs

Input price: $3.00 / 1M tokens
Output price: $15.00 / 1M tokens
Context window: 200K tokens
Max output: 64K tokens

Lifecycle history

2026-06-26 added as active

LLMIntel — a normalized, machine-readable source of truth for AI model lifecycle events. Every record links to its primary provider source.