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Claude Opus 4

Model facts

Provider: Anthropic
Released: 2025-05-22
Retirement: 2026-06-15

Technical details

Model ID: claude-opus-4-20250514
Status: Deprecated
Context window: 200,000 tokens
Max output: 32,000 tokens
Knowledge cutoff: 2025-03-31
Input modalities: Text, Image, PDF
Output modalities: Text
Pricing (per 1M tokens): $15 in / $75 out
Tool use: Yes

Links

models.dev entry

Claude Opus chronology

Preceded by

Succeeded by

Claude Opus 4.1

Claude chronology

Preceded by

Claude Sonnet 3.7

Succeeded by

Claude Opus 4.1

Claude Opus 4 is a large language model created by Anthropic, released May 22, 2025 as the flagship of the Claude 4 family, launched alongside Claude Sonnet 4.

A minor upgrade, Claude Opus 4.1, was released in Aug 2025.

The model was deprecated on 2026-04-14 with a scheduled API retirement date of June 15, 2026.