Claude Fable 5

Model ● Covered in 59 stories + Follow

Claude Fable 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 23 October 2026

Specifications

No specifications recorded yet.

Latest developments

Model release: Artificial Analysis & DeepSeek TNW · 1 week ago · 0 Market development: Z.ai & GLM-Legal MarkTechPost · 2 weeks ago · 1 Benchmark result: Anthropic & Claude Fable 5.1 The New Stack · 1 month ago · 1 Incident: OpenAI & Anthropic The Batch · 3 Model release: Anthropic & Claude Fable 5.1 The New Stack · 1 month ago · 3 Model release: OpenAI & GPT-6 Astra Simon Willison’s Weblog · 1 month ago · 1 Model release: Anthropic & Claude Fable 5.1 MarkTechPost · 2 months ago · 3 Product launch: Anthropic & Claude Fable 5.1 The Verge · 2 months ago · 1

Timeline

Month Quarter Year

Q4 2026

Model release: AINews & Artificial Analysis Model release

19 Oct Model release: Artificial Analysis & DeepSeek
13 Oct Market development: Z.ai & GLM-Legal

Q3 2026

Benchmark result: Anthropic & Claude Fable 5 Benchmark result

Model release: Amazon Bedrock & Amazon Bedrock AgentCore Model release

Incident: Anthropic & Astra Incident

Model release: Anthropic & Claude Fable 5.1 Model release

Product launch: Anthropic & Anthropic PBC Product launch

Benchmark result: Claude Fable 5 & GLM-5.3 Benchmark result

Benchmark result: Claude Fable 5 & DeepSeek V4 Pro 0813 Benchmark result

Model release: Grok 4.6 & SpaceXAI Model release

Other: Claude Fable 5 & Anthropic Other

Feature update: LLM & llm-anthropic Feature update

Pricing change: Anthropic & Claude Opus 5 Pricing change

Model release: GPT 5.6 Sol & GPT-5.6 Model release

Model release: Andon Labs & Anthropic Model release

Model release: Anthropic & Claude 5 Model release

Other: Anthropic & Claude Fable 5 Other

Open source release: AMD & Alibaba Open source release

Open source release: Alibaba & Artificial Analysis 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: ChatGPT Atlas & ChatGPT Work Model release

Model release: Fable 5 & GLM 5.2 Model release

10 Sep Benchmark result: Anthropic & Claude Fable 5.1
10 Sep Incident: OpenAI & Anthropic
5 Sep Model release: Anthropic & Claude Fable 5.1
3 Sep Model release: OpenAI & GPT-6 Astra
1 Sep Model release: Anthropic & Claude Fable 5.1
1 Sep Product launch: Anthropic & Claude Fable 5.1
1 Sep Market development: Flower Labs & OpenAI
21 Aug Benchmark result: GLM-5.3 & Claude Fable 5
19 Aug Market development: smolmachines.com & Claude Fable 5
17 Aug Benchmark result: DeepSeek V4 Pro 0813 & Claude Fable 5
14 Aug Market development: SpaceXAI & Grok 4.6
13 Aug Model release: SpaceXAI & Grok 4.6
9 Aug Market development: Anthropic & Claude Fable 5
7 Aug Other: Codex Desktop & GPT-5.6 Sol Ultra
7 Aug Market development: Anthropic & Claude Fable 5
6 Aug Pricing change: Anthropic & Claude Opus 5
5 Aug Other: Claude Fable 5 & Anthropic
4 Aug Feature update: llm-anthropic & Anthropic
2 Aug Model release: Microsoft & Anthropic
29 Jul Model release: Anthropic & Claude Fable 5
29 Jul Model release: OpenAI & GPT-5.6
28 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
24 Jul Model release: Anthropic & Claude Opus 5
24 Jul Open source release: Kimi K3 & Claude Fable 5
23 Jul Model release: Anthropic & Claude Mythos 5
23 Jul Model release: Anthropic & Claude Fable 5
22 Jul Market development: GPT-5.6 Sol & Claude Fable 5
21 Jul Other: Anthropic & Claude Fable 5
20 Jul Model release: Anthropic & Moonshot AI
20 Jul Incident: Anthropic & Claude Fable 5
20 Jul Open source release: Alibaba & Qwen3.8-Max
20 Jul Market development: OpenBMB & OpenAI
18 Jul Incident: Anthropic & Claude Fable 5
16 Jul Model release: Moonshot AI & Kimi K3
16 Jul Incident: Anthropic & Claude Fable 5
16 Jul Incident: Anthropic & Claude Fable 5
16 Jul Incident: Anthropic & Mythos 5
14 Jul Model release: Anthropic & OpenAI
14 Jul Feature update: Anthropic & Claude Fable 5
13 Jul Feature update: Anthropic & Claude Fable 5
12 Jul Feature update: Anthropic & OpenAI
10 Jul Model release: OpenAI & GPT-5.6
9 Jul Model release: OpenAI & GPT-5.6 Luna
9 Jul Model release: OpenAI & GPT-5.6 Sol
9 Jul Model release: OpenAI & Anthropic

Relationships

Products & technology

Anthropic develops this model · 33 sources
Anthropic deploys this model · 3 sources
Derived from Claude Mythos 5 · 1 source
Develops DeepSWE · 1 source
Integrated with Claude Code · 1 source
MiniCPM5-1B derived from this model · 1 source
Microsoft deploys this model · 1 source
AWS deploys this model · 1 source

Regulation

US Government regulated by this model · 2 sources

Competition

Competes with Opus 4.6 · 1 source
Kimi K3 competes with this model · 1 source
Amazon competes with this model · 1 source