Opus 5.5

Model ● Covered in 29 stories + Follow

Opus 5.5 is tracked in TLDRocket’s model dataset. Explore the recorded developments, relationships and supporting evidence below. Coverage reflects our monitored sources and may be incomplete.

Updated 22 October 2026

Specifications

No specifications recorded yet.

Latest developments

Model release: Google & Gemini 4 Carbon Simon Willison’s Weblog · 9 hours ago · 0 Model release: Anthropic & Fable 5.2 Simon Willison’s Weblog · 1 day ago · 0 Model release: Anthropic & OpenAI Fortune · 0 Market development: Opus 5.5 Ben's Bites · 5 days ago · 0 Feature update: Anthropic & Claude Code Tom · 1 week ago · 0 Market development: llm (LLM CLI tool and Python library) & gpt-6-luna Simon Willison’s Weblog · 1 week ago · 0 Product launch: Opus 5.5 & Claude Code karpathy · 1 week ago · 0 Market development: Qwen3.5-4B & Opus 5.5 Simon Willison’s Weblog · 1 week ago · 0

Timeline

Month Quarter Year

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

Model release: Anthropic & Claude Model release

Deployment: Anthropic & Claude Duet Deployment

Model release: Amazon Bedrock & Anthropic Model release

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

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
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
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