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AI Atlas
ModelActiveProprietary

claude-fable-5-1-medium

Anthropic

quality44

Updated 2 h ago · first seen 11 Sept 2026

model_01M29A5C29FKTWJMQ61WMQB4D8

Context
1M tokens
T2 · 2 h ago

Specification

Openness
proprietary

Source:Artificial AnalysisT2observed 2 h agomedium

Context window
1M tokens

Source:Artificial AnalysisT2observed 2 h agomedium

Aa median output tokens per second
49.6

Source:Artificial AnalysisT2observed 2 h agomedium

Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →

Provenance

Attributed facts

4

Source tiers

T24

Freshest observation

2 h ago

Conflicts

None