Claude 3 Opus

Claims and evidence

• Released 4 March 2024 ● Primary source[1]Model availability
• Deprecated 30 June 2025 ● Primary source[3]Deprecation history, 2025-06-30 [4]June 30, 2025
• Retired 5 January 2026 ● Primary source[3]Deprecation history, 2025-06-30 [4]January 5, 2026

• Status Retired ● Primary source[3]Deprecation history, 2025-06-30

• Successor of Claude 2.1 ● Primary source[1]title; Near-instant results; Improved accuracy

• Change · Modality Accepts images such as tables, graphs and photos next to text; the Claude 3 model card names multimodal input as a key enhancement of the family.Compared with Claude 2.1 ● Primary source[2]
• Change · Safety Anthropic says the Claude 3 models refuse borderline but harmless prompts less often than earlier Claude models.Compared with Claude 2.1 ● Primary source[1]
• Change · Other Anthropic says it answers difficult open-ended factual questions correctly more often than Claude 2.1, and gives fewer incorrect answers.Compared with Claude 2.1 ● Primary source[1]
• Change · Training data Knowledge cutoff of August 2023, according to the Claude 3 model card.Compared with Claude 2.1 ● Primary source[2]

• Input text, image ● Primary source[2]Abstract; 1 Introduction
• Output text ● Primary source[2]1 Introduction
• Context window 200K tokens ● Primary source[1]Model details; Long context and near-perfect recall
• Parameters Not disclosedNot disclosed by Anthropic. No claim madeNo source
• Access API, consumer app ● Primary source[1]Model availability

Lineage

Variants

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