# Self-Host vs API Breakeven Calculator

> Free tool #14

Find the monthly token volume where running your own GPUs beats paying per-token API pricing.

## Three ways to use it

**Web** — the interactive page: https://telemeter.ai/tools/self-host-breakeven

**MCP** — a `tools/call` on the public MCP server at https://telemeter.ai/mcp (tool name: `self-host-breakeven`), read-only, no key required.

**REST** — `POST https://telemeter.ai/api/tools/self-host-breakeven` with a JSON body matching the input schema below:

```json
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "model": {
      "type": "string",
      "minLength": 1
    },
    "inputTokensPerMonth": {
      "type": "integer",
      "minimum": 0,
      "maximum": 100000000000
    },
    "outputTokensPerMonth": {
      "type": "integer",
      "minimum": 0,
      "maximum": 100000000000
    },
    "gpuHourlyUsd": {
      "type": "number",
      "minimum": 0,
      "maximum": 100000
    },
    "gpuCount": {
      "type": "integer",
      "minimum": 1,
      "maximum": 100000
    },
    "hoursPerMonth": {
      "type": "number",
      "minimum": 0,
      "maximum": 744
    },
    "tokensPerSecond": {
      "type": "number",
      "minimum": 0,
      "maximum": 50000000
    }
  },
  "required": [
    "model",
    "inputTokensPerMonth",
    "outputTokensPerMonth",
    "gpuHourlyUsd",
    "gpuCount",
    "hoursPerMonth"
  ],
  "additionalProperties": false
}
```

[Open the interactive page](https://telemeter.ai/tools/self-host-breakeven) · [Every tool and doc, machine-readable](https://telemeter.ai/llms.txt)