🤖
AI Agent Cost Calculator
Estimate costs for autonomous AI agents that use tools, make multi-step decisions, and run long conversations.
Typical Token Breakdown
1,500
System prompt + tools
Agent instructions, tool schemas, and available action definitions
2,000
Conversation + history
Multi-turn agent history including previous tool calls and results
1,000
Tool results
Data returned from API calls, code execution, or web searches
500
Reasoning scratchpad
Internal thinking tokens (especially for reasoning models)
Total: ~6,500 tokens per request (5,000 input + 1,500 output)
Cost Calculator
Recommended Models
Claude Opus 4.7Best for Agents
Best-in-class agentic coding and multi-step task execution
$1,875.00
/month
GPT-4.1Best Tool Use
Strong tool use and 1M context for long agentic sessions
$660.00
/month
o3Best Reasoning
Autonomous reasoning reduces errors and retry loops, saving total cost
$132.00
/month
Cost Optimization Tips
🔁Agent retry loops compound cost — use a cheaper model to validate before expensive model executes
⚡Cache the system prompt and tool definitions — these repeat on every agent step
🏁Set maximum iteration limits to prevent runaway agents from burning your budget
📊Log token usage per agent run to identify which steps are most expensive and optimize first