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Claude Sonnet 4.5 (latest)

AnthropicOpenRouter ↗

Balanced Claude model for coding, analysis, agent workflows, and cost control

Benchmarks

BenchmarkCategoryScoreVariantProvenanceSourceObserved
AA Agentic Indexagentic15.8mirroropenrouterSep 20, 2026
AA Coding Indexcoding52.1mirroropenrouterJul 23, 2026
AA Intelligence Indexintelligence20.7mirroropenrouterSep 20, 2026
Design Arena — 3dpreference1186mirroropenrouterSep 12, 2026
Design Arena — asciiartpreference1224mirroropenrouterSep 19, 2026
Design Arena — codecategoriespreference1196mirroropenrouterSep 21, 2026
Design Arena — datavizpreference1182mirroropenrouterSep 17, 2026
Design Arena — fullstackpreference1060mirroropenrouterSep 16, 2026
Design Arena — gamedevpreference1190mirroropenrouterSep 18, 2026
Design Arena — mobileappspreference1167mirroropenrouterSep 20, 2026
Design Arena — svgpreference1138mirroropenrouterSep 20, 2026
Design Arena — uicomponentpreference1189mirroropenrouterSep 21, 2026
Design Arena — webappspreference1075mirroropenrouterSep 16, 2026
Design Arena — websitepreference1202mirroropenrouterSep 11, 2026
LMArena Textpreference1433thinking-32kcrowdlmarenaAug 10, 2026
1438crowdlmarenaSep 13, 2026
LMArena WebDevpreference1392thinking-32kcrowdlmarenaAug 10, 2026
1385crowdlmarenaSep 11, 2026

Includes index data from Artificial Analysis.

Providers

Live operational stats per hosting endpoint, via OpenRouter.

ProviderQuantContext$/1M in · outUptime 24hLatencyThroughput
Amazon Bedrock1M$3 · $1599.95%
Amazon Bedrock1M$3.3 · $16.5100.00%
Anthropic1M$3 · $1599.95%
Azure200K$3 · $1598.64%
Claude Platform on AWS1M$3 · $1599.98%
Google1M$3 · $1599.93%
Google1M$3.3 · $16.5100.00%