System record

Claude Opus 4.8, Max reasoning / Claude Code

Organization: Anthropic · base model: Claude Opus 4.8, Max reasoning / Claude Code

System and setup

Reported system information
Model versionnot reported
Software used to run the modelClaude Code, Max reasoning
Software versionnot reported
Tools available to the modelOne H100 per base-model × target-benchmark run; benchmark evaluator and decontamination checker
Release dateNot reported

Autonomy assessments

No autonomy assessment is published for this system.

Published capability results

Benchmark and indicator evidence
MeasureVersionReported resultDate
PostTrainBenchPostTrainBench v1.1 · September 2026 results32.90%2026-09-18

Related research

Additional system details
System ID
ptb-v11-opus-4-8-max
Organization
Anthropic
Base model
Claude Opus 4.8, Max reasoning / Claude Code
Release date
Not reported
Assessment records
0
Recursive evidence records
0