# Use the new Opus 4.1 model
claude --model claude-opus-4-1-20250805
# Or set via environment
export ANTHROPIC_MODEL=claude-opus-4-1-20250805Model Selection:
EntryKind: in v1.0.69,
Bug FixesSection of the release
# Use the new Opus 4.1 model
claude --model claude-opus-4-1-20250805
# Or set via environment
export ANTHROPIC_MODEL=claude-opus-4-1-20250805