Claude Code
Primary capacity: your existing access.
Reserve: Newton’s prepaid balance.
Return policy: automatically when available.
NEWTON’S CONTINUITY
Your AI subscriptions,
working together.
Use the capacity you already paid for first. Newton’s becomes prepaid reserve when a supported tool reaches its limit.
SUPPORTED TOOLS
Keep the tools you use.
Codex
Primary capacity: your existing access.
Reserve: Newton’s prepaid balance.
Return policy: automatically when available.
Cursor
Primary capacity: your existing access.
Reserve: Newton’s prepaid balance.
Return policy: automatically when available.
OpenAI-compatible tools
Primary capacity: your existing access.
Reserve: Newton’s prepaid balance.
Return policy: automatically when available.
POLICY, NOT GUESSWORK
You decide what happens at the limit.
Choose the exact reserve model, daily spend ceiling, return behavior, and whether any substitution is allowed. Newton’s never changes those decisions silently.
PrimaryClaude Max
When unavailableNewton’s → Claude Opus 5
Daily reserve limit$20
Model substitutionNever