Claude Opus 4.8 | MCP Atlas Public, April 2026 update

Anthropic's Claude Opus 4.8 evaluation results on MCP Atlas Public, April 2026 update

Score: 82.20±2.40

Reasoning level: max

Source

Claude Opus 4.8 (Registry No. 20011)

Anthropic

MCP Atlas Public, April 2026 update