Opus 5.5

Specifications

No specifications recorded yet.

Latest developments

November 2026

◆ Model release: Gemini 4 Carbon & Google Model release

◆ Model release: Anthropic & Claude Fable 5.2 Model release

◆ Feature update: Anthropic & Claude Code Feature update

◆ Product launch: Claude & Claude Code Product launch

• 10 Nov Model release: Google & Gemini 4 Carbon
• 9 Nov Model release: Anthropic & Fable 5.2
• 9 Nov Model release: Anthropic & OpenAI
• 5 Nov Market development: Opus 5.5
• 3 Nov Feature update: Anthropic & Claude Code
• 2 Nov Market development: llm (LLM CLI tool and Python library) & gpt-6-luna
• 2 Nov Product launch: Opus 5.5 & Claude Code

October 2026

◆ Model release: Anthropic & Claude Model release

◆ Deployment: Anthropic & Claude Duet Deployment

◆ Model release: Amazon Bedrock & Anthropic Model release

• 30 Oct Market development: Qwen3.5-4B & Opus 5.5
• 29 Oct Market development: Opus 5.5 & Lighthouse
• 27 Oct Model release: Anthropic & Claude
• 22 Oct Deployment: Claude Duet & Claude Pro
• 20 Oct Market development: Notion & Notion MCP
• 13 Oct Market development: Opus 5.5 & Wonder Full
• 8 Oct Model release: Anthropic & Claude Sonnet 5.5
• 3 Oct Model release: Anthropic & OpenAI

September 2026

◆ Deployment: Astra 6.1 & GPT-6.1 Astra Deployment

◆ Model release: AWS & Anthropic Model release

◆ Deployment: Amazon & Anthropic Deployment

◆ Benchmark result: Opus 5.5 & Sol Benchmark result

◆ Model release: Amazon Bedrock & Anthropic Model release

◆ Model release: Anthropic & GPT-6 Luna Model release

◆ Model release: AINews & Anthropic Model release

• 30 Sep Market development: Opus 5.5 & Anthropic
• 29 Sep Deployment: OpenAI & Astra 6.1
• 29 Sep Model release: Anthropic & AWS
• 29 Sep Market development: Opus 5.5 & Fable 5.1
• 28 Sep Model release: Anthropic & Claude Sonnet 5.5
• 27 Sep Deployment: Anthropic & Meta
• 26 Sep Market development: Exa & Exa Agent API
• 25 Sep Deployment: Meta & OpenAI
• 25 Sep Deployment: Meta & OpenAI
• 25 Sep Market development: Meta & Opus 5.5
• 24 Sep Market development: Opus 5.5 & OpenAI
• 23 Sep Benchmark result: Sol & Opus 5.5
• 22 Sep Model release: Anthropic & OpenAI
• 22 Sep Model release: Anthropic & Opus 5.5

Relationships

Products & technology

• Anthropic develops this model · 7 sources
• Integrated with Claude Code · 1 source
• Develops Artificial Analysis · 1 source
• Anthropic deploys this model · 1 source
• llm-anthropic 0.31 integrated with this model · 1 source
• HackerTube integrated with this model · 1 source
• Notion integrated with this model · 1 source
• Anthropic integrated with this model · 1 source
• Claude Code deploys this model · 1 source

Competition

• Competes with Fable · 1 source
• Competes with SimpleBench · 1 source
• Competes with Fable 5.1 · 1 source