Wednesday, October 28, 2026 🏢 AI Companies Hub RSS About Contact Admin
POPULAR BEATS: Generative AI LLMs & NLP Autonomous Agents Robotics & Hardware Enterprise AI AI Ethics & Policy 🏢 All AI Companies

Claude Fable 5

Frontier Agentic Transformer
Official Source & Paper
Anthropic logo Anthropic 📄 Proprietary API 🌍 United States (US) 🗓️ Effective Date: 01.08.2026

Anthropic's long-horizon autonomous software engineering and multi-step agentic reasoning model, optimized for complex repository migrations and tool use.

Model Size / Parameters Proprietary Frontier Architecture: Frontier Agentic Transformer
Context Window (Input) 500k tokens Token Capacity
Max Output Tokens 64k tokens Single Generation Limit
Supported Modalities Text, Code, Vision Native Multimodal Ingestion
License & Access Proprietary API Open Weights vs. API
Release Date August 2026 Effective Date: 01.08.2026

Verified Benchmark Results

Standardized academic and industry evaluation benchmarks (Effective Date: 01.08.2026).

MMLU-Pro / 5-Shot General Intellect
92.8%
SWE-bench Verified Software Engineering
67.4%
MATH 500 / AIME Mathematical Reasoning
95.2%
GPQA Diamond Doctoral Science
78.2%
HumanEval / Python Algorithm Synthesis
94.1%

Pricing & Cost Efficiency

Official API token pricing and self-hosted licensing terms.

Input Pricing (Prompt)
$3.00 / 1M tokens
Per 1 million processed tokens
Output Pricing (Generation)
$15.00 / 1M tokens
Per 1 million generated tokens
Verified Datasheet: Source: Anthropic Research Documentation • Effective Date: 01.08.2026
← Back to All AI Model Datasheets

Latest Coverage & Analysis on Claude Fable 5