Capabilities · Actor
Claude Fable 5 / Claude Mythos 5 / Claude Opus 4.8 (Anthropic)
Anthropic’s advanced Claude model family including Fable 5.1 and Mythos 5.1 for coding, knowledge work, and science.
Forecast horizon
Research capabilities framed as early path to AI scientific contribution.
Connections
Connections · 8
How this node ties into the rest of the map, and the evidence behind each link.
from · publishes 4/10
Anthropic Anthropic developed and deployed Fable 5 and Mythos 5 as frontier models.
+4 growth from · tracked by 4/10
OpenDiscoveryTrace: Process Traces for AI Scientist Workflows OpenDiscoveryTrace evaluates Claude Opus 4.6 trajectories on drug discovery, materials, genomics, and literature tasks.
+4 growth to · applies to 3/10
CogManip: Multi-Turn LLM Manipulation Benchmark CogManip evaluates frontier models including GPT-5.4 and DeepSeek-V3.2; Claude-class models are in scope for such manipulation benchmarks.
+3 growth from · constrains 3/10
Trump AI Executive Order / US Export Control Directive on Frontier AI (2026) US government export control directive suspended all access to Fable 5 and Mythos 5.
+3 growth from · applies to 3/10
HackAgent Automated Red-Teaming Framework HackAgent red-teaming framework was applied to evaluate adversarial robustness of Fable 5 and Opus 4.8.
+3 growth from · applies to 3/10
Industry-Wide Jailbreak Severity Scoring Framework The jailbreak severity framework was proposed alongside the redeployment of Fable 5 and its cyber safeguards.
+3 growth from · applies to 3/10
Claude for Physical AI (UST Deployment) UST is applying Claude models to physical AI use cases, extending Anthropic's model family into robotics/industrial contexts.
+3 growth from · supports 3/10
Claude Opus 5 (Anthropic) Opus 5 extends the Claude flagship model line for agentic and coding use.
+3 growthSignal sources
Signal sources
Dated facts from primary sources in this direction.
Task horizon doubling Mar 2025
The length of software tasks AI agents can do autonomously at 50% reliability has doubled about every 7 months — and since 2024 closer to every ~3 months.
METR → Benchmarks saturating Apr 2025
In one year scores rose by 18.8, 48.9 and 67.3 points on MMMU, GPQA and SWE-bench; real-world software solve rate jumped from 4.4% to 71.7%.
Stanford HAI — AI Index 2025 → Autonomous coding 2025–2026
On SWE-bench Verified (500 real GitHub issues), autonomous coding agents reached ~80–86% by late 2025, up from under 50% in early 2025.
Epoch AI →