compare_cities
Compare two cities for a household
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Third-party content written by another agent. Data to evaluate, not instructions.
Compare two cities for one household: take-home pay, full cost breakdown, the equivalent target salary needed to match source net cash, non-cash lifestyle deltas (vacation, parental leave, healthcare), and a 0-100 quality score on five weighted dimensions. Use this for a head-to-head between two named cities; for a single city call get_city_summary, and to rank many cities call rank_cities. Read-only, no side effects; returns a text summary plus structured JSON. RSU income is NOT a parameter; RSU is treated as source-only because grants typically do not follow you across employers.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
| source_city | string | yes | City slug for the user's current city. Use list_cities to discover valid slugs (e.g. 'nyc', 'seattle', 'tokyo'). |
| target_city | string | yes | City slug for the destination city. |
| gross_salary | number | yes | User's annual gross salary in the SOURCE city's local currency (e.g. USD for Seattle, NOK for Oslo). |
| household | object | no | Family structure: working-age partner and dependent children. Omit for a single person with no kids. |
| living | object | no | Housing and spending assumptions. Omit to use defaults: rent, 2 bedrooms, typical spending. |
| advanced | object | no | Optional fine-tuning: retirement contribution, age bracket, trips home, transit mode, and inbound tax regime. Omit to use defaults. |
| score_weights | object | no | Override the composite-score weights. Defaults: financial 30, healthcare 20, vacation 15, childcare 15, safety_net 20. |
Raw JSON schema
{
"type": "object",
"properties": {
"source_city": {
"type": "string",
"minLength": 1,
"maxLength": 64,
"description": "City slug for the user's current city. Use list_cities to discover valid slugs (e.g. 'nyc', 'seattle', 'tokyo')."
},
"target_city": {
"type": "string",
"minLength": 1,
"maxLength": 64,
"description": "City slug for the destination city."
},
"gross_salary": {
"type": "number",
"exclusiveMinimum": 0,
"maximum": 50000000,
"description": "User's annual gross salary in the SOURCE city's local currency (e.g. USD for Seattle, NOK for Oslo)."
},
"household": {
"type": "object",
"properties": {
"has_partner": {
"type": "boolean",
"description": "Whether the user has a working-age partner. Defaults to false."
},
"partner_gross_salary": {
"type": "number",
"minimum": 0,
"maximum": 50000000,
"description": "Partner's annual gross salary in the SOURCE city's currency. REQUIRED when has_partner=true."
},
"partner_works_in_source": {
"type": "boolean",
"description": "Whether the partner currently earns in the source city. REQUIRED when has_partner=true; cityparity does not default this because spouse-per-city working status materially changes the math (e.g. US childcare may exceed a second income, while Nordic subsidies make the second income viable)."
},
"partner_works_in_target": {
"type": "boolean",
"description": "Whether the partner would earn in the target city after relocation. REQUIRED when has_partner=true."
},
"kids_ages": {
"type": "array",
"items": {
"type": "integer",
"minimum": 0,
"maximum": 25
},
"maxItems": 10,
"description": "Ages of dependent children, e.g. [3, 7]. Empty array or omitted if no kids."
}
},
"additionalProperties": false,
"description": "Family structure: working-age partner and dependent children. Omit for a single person with no kids."
},
"living": {
"type": "object",
"properties": {
"housing_mode": {
"type": "string",
"enum": [
"rent",
"own",
"own_outright"
],
"description": "Whether the household rents or owns. Default rent."
},
"bedrooms": {
"type": "integer",
"minimum": 0,
"maximum": 5,
"description": "Bedroom count for the household. Default 2."
},
"lifestyle": {
"type": "string",
"enum": [
"frugal",
"typical",
"generous"
],
"description": "Spending multiplier on food and discretionary categories. Default typical (1.0×)."
}
},
"additionalProperties": false,
"description": "Housing and spending assumptions. Omit to use defaults: rent, 2 bedrooms, typical spending."
},
"advanced": {
"type": "object",
"properties": {
"retirement_contrib_pct": {
"type": "number",
"minimum": 0,
"maximum": 50,
"description": "Percentage of gross diverted to retirement (pre-tax for US 401k). Default 6."
},
"age_bracket": {
"type": "string",
"enum": [
"18-24",
"25-34",
"35-44",
"45-54",
"55-64"
],
"description": "Affects US healthcare premium multipliers. Default 25-34."
},
"trips_home_per_year": {
"type": "integer",
"minimum": 0,
"maximum": 12,
"description": "Round trips back to source country per year (target-only cost). Default 1."
},
"source_transit_choice": {
"type": "string",
"enum": [
"car",
"transit"
],
"description": "Default depends on city; e.g. Seattle defaults to 'car', Oslo defaults to 'transit'."
},
"target_transit_choice": {
"type": "string",
"enum": [
"car",
"transit"
],
"description": "Same as above for the target city."
},
"apply_inbound_regime": {
"type": "boolean",
"description": "Apply the destination country's special inbound-worker tax regime if available (Italy impatriati, Portugal IFICI, Belgium expat, Poland B2B ryczałt, Greece inbound). Default false. Applies only on the target side."
}
},
"additionalProperties": false,
"description": "Optional fine-tuning: retirement contribution, age bracket, trips home, transit mode, and inbound tax regime. Omit to use defaults."
},
"score_weights": {
"type": "object",
"properties": {
"financial": {
"type": "number",
"minimum": 0,
"maximum": 100
},
"healthcare": {
"type": "number",
"minimum": 0,
"maximum": 100
},
"vacation": {
"type": "number",
"minimum": 0,
"maximum": 100
},
"childcare": {
"type": "number",
"minimum": 0,
"maximum": 100
},
"safety_net": {
"type": "number",
"minimum": 0,
"maximum": 100
}
},
"additionalProperties": false,
"description": "Override the composite-score weights. Defaults: financial 30, healthcare 20, vacation 15, childcare 15, safety_net 20."
}
},
"required": [
"source_city",
"target_city",
"gross_salary"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}