llm.ing

Claude Fable 5.1

AnthropicOpenRouter ↗Artificial Analysis ↗

Claude model for demanding reasoning and long-horizon agentic work

Benchmarks

BenchmarkCategoryScoreVariantProvenanceSourceObserved
AA Agentic Indexagentic57.9—mirroropenrouterSep 20, 2026
57.9—independentaaSep 20, 2026
AA Coding Indexcoding81.6—mirroropenrouterSep 2, 2026
81.6—independentaaSep 2, 2026
AA Intelligence Indexintelligence53.4—mirroropenrouterSep 8, 2026
53.4—independentaaSep 9, 2026
Design Arena — 3dpreference1393—mirroropenrouterOct 15, 2026
Design Arena — asciiartpreference1323—mirroropenrouterOct 20, 2026
Design Arena — codecategoriespreference1336—mirroropenrouterOct 19, 2026
Design Arena — datavizpreference1344—mirroropenrouterOct 17, 2026
1344—mirroropenrouterOct 17, 2026
Design Arena — fullstackpreference1326—mirroropenrouterOct 14, 2026
Design Arena — gamedevpreference1381—mirroropenrouterOct 20, 2026
Design Arena — godotgamedevpreference1327—mirroropenrouterOct 1, 2026
Design Arena — mobileappspreference1267—mirroropenrouterOct 20, 2026
Design Arena — python-pptxslidespreference1328—mirroropenrouterOct 1, 2026
Design Arena — svgpreference1301—mirroropenrouterOct 14, 2026
Design Arena — uicomponentpreference1340—mirroropenrouterOct 19, 2026
Design Arena — webappspreference1309—mirroropenrouterOct 17, 2026
1318—mirroropenrouterOct 19, 2026
Design Arena — websitepreference1314—mirroropenrouterOct 14, 2026
Median output speedspeed69 tok/s—independentaaOct 20, 2026
Median time to first tokenspeed173.74s—independentaaOct 19, 2026

Includes index data from Artificial Analysis.

Providers

Live operational stats per hosting endpoint, via OpenRouter.

ProviderQuantContext$/1M in · outUptime 24hLatencyThroughput
Amazon Bedrock—1M$10 · $50———
Anthropic—1M$10 · $50100.00%——
Azure—1M$10 · $50100.00%——
Google—1M$10 · $50100.00%——