Calculator
Claude Code Limits Calculator
Enter your workload, model mix, and plan to estimate whether your usage pattern is likely comfortable or constrained.
Calculate plan fitAI coding agent usage
AI Code Limits Calculator
Estimate whether your coding-agent workflow fits a subscription plan, needs a higher tier, or is safer on API pay-as-you-go with spend controls.
Main tool
Claude Code limits
Risk check
API key billing
Updated
May 16, 2026
Comparison
Claude Code Pro vs Max
Compare Pro, Max 5x, Max 20x, Team, and API mode by coding workflow rather than only price.
Compare plansBilling
API Key vs Subscription
Check the common setup issue where an environment API key makes Claude Code use token billing instead of plan usage.
Avoid billing surprisesIndependent estimate, not an official quota checker
AI Code Limits is an independent tool. It does not know your private account quota and is not affiliated with Anthropic. Use it to reason about workload pressure, then confirm usage in your Claude account, Claude Code messages, or API dashboard.