Epoch AI
1 article tagged with Epoch AI
July 25, 2026
model releaseAnthropic
Anthropic Ships Claude Opus 5, Claims Near-Fable Performance at Half the Price
Anthropic released Claude Opus 5 on July 24, 2026, positioning it as a lower-cost alternative to its more expensive Claude Fable 5 model. Independent evaluators Epoch AI and Artificial Analysis report mixed but largely favorable results, with Opus 5 nearly matching Fable 5 on coding benchmarks while cutting cost-per-task by roughly 20%.