Numman Ali @nummanali

If you want to have Opus 4.5 at it's MAX in Claude Code

Update ~/.claude/settings.json
{
"env": {
"CLAUDE_CODE_MAX_OUTPUT_TOKENS": "64000",
"MAX_THINKING_TOKENS": "31999"
}
}

- double the output
- ultrathink always on

Ctrl+O will show thinking in verbose mode

Dec 13, 2025 View on X →

https://x.com/nummanali/status/1999965965212348879