Claude Opus 4.8

Specifications

No specifications recorded yet.

Latest developments

October 2026

• 29 Oct Market development: Funnel & Reef
• 22 Oct Market development: Rescale & Strands Agents

September 2026

◆ Incident: Anthropic & Apollo Research Incident

• 29 Sep Market development: Google Research & Google Cloud AI Research
• 28 Sep Market development: Claude Opus 4.8
• 18 Sep Incident: Anthropic & OpenAI
• 18 Sep Incident: Hacktron & Anthropic

August 2026

• 22 Aug Market development: Inherent & Qwen 3.6
• 19 Aug Market development: Engram & Harvey
• 18 Aug Market development: Princeton & Claude Opus 4.8
• 5 Aug Market development: Pi & Databricks
• 3 Aug Market development: Cogent AI & VR-1

July 2026

◆ Model release: Anthropic & Claude 5 Model release

◆ Feature update: Cursor & Cursor Router Feature update

◆ Other: Anthropic & Claude Fable 5 Other

◆ Open source release: AMD & Alibaba Open source release

◆ Model release: Claude Fable 5 & Deepseek v4 Pro Model release

◆ Model release: AGORA & AI Act Model release

◆ Incident: Anthropic & Claude Fable 5 Incident

◆ Model release: Anthropic & Claude Fable 5 Model release

◆ Feature update: Anthropic & Claude Fable 5 Feature update

◆ Model release: Cursor & Grok 4.5 Model release

◆ Feature update: Anthropic & Claude Sonnet 5 Feature update

◆ Model release: Cursor & Fable 5 Model release

◆ Feature update: Anthropic & Claude Fable Feature update

• 28 Jul Model release: Moonshot AI & Kimi K3
• 25 Jul Model release: Anthropic & Claude Opus 5
• 24 Jul Model release: Anthropic & Claude Opus 5
• 24 Jul Model release: Claude Opus 5 & Claude Opus 4.8
• 24 Jul Model release: Anthropic & Claude Opus 5
• 23 Jul Feature update: Cursor & Ramp
• 22 Jul Feature update: Cursor & Claude Opus 4.8
• 21 Jul Model release: Z.ai & Anthropic
• 21 Jul Other: Anthropic & Claude Opus 4.8
• 18 Jul Model release: xAI & Anthropic
• 17 Jul Open source release: Moonshot AI & Kimi K3
• 17 Jul Open source release: Moonshot AI & Kimi K3
• 16 Jul Model release: Moonshot AI & Kimi K3
• 16 Jul Incident: Anthropic & Claude Fable 5
• 16 Jul Model release: Anthropic & Claude Sonnet 5
• 14 Jul Model release: Anthropic & OpenAI
• 13 Jul Feature update: Anthropic & Claude Fable 5
• 12 Jul Market development: White House & OpenAI
• 10 Jul Market development: Fable 5 & Claude Opus 4.8
• 9 Jul Model release: SpaceX & Cursor
• 7 Jul Feature update: OpenAI & GPT-4o
• 6 Jul Market development: Anthropic & Claude Opus 4.8
• 2 Jul Model release: Fable 5 & Anthropic
• 1 Jul Feature update: Anthropic & Fable 5

June 2026

◆ Model release: Anthropic & Claude Opus 4.8 Model release

◆ Model release: Claude Opus 4.8 & GLM-5.2 Model release

◆ Model release: Anthropic & Claude Fable Model release

◆ Model release: Anthropic & Claude Opus 4.8 Model release

• 28 Jun Model release: OpenAI & GPT-5.6
• 24 Jun Market development: Anthropic & Claude Fable 5
• 23 Jun Model release: GLM-5.2 & Claude Opus 4.8
• 11 Jun Model release: Anthropic & Claude Fable
• 4 Jun Model release: Anthropic & Claude Opus 4.8
• 2 Jun Model release: Anthropic & Claude Opus 4.8

Relationships

Products & technology

• Anthropic develops this model · 15 sources
• Claude Opus 5 derived from this model · 1 source
• Fable 5 integrated with this model · 1 source
• Claude Honeycomb EAP integrated with this model · 1 source
• Princeton deploys this model · 1 source
• Hacktron integrated with this model · 1 source
• RRSI (Regularized Recursive Self-Improvement) integrated with this model · 1 source
• Rescale deploys this model · 1 source
• Reef integrated with this model · 1 source

Competition

• Faraday competes with this model · 1 source