Use when an agent needs the lowest listed price among models meeting hard needs
Use when an agent needs the lowest listed price among models meeting hard needs (context, price cap, capability), plus a fallback reading. Pre-flight reading: the AI model with the lowest listed price on OpenRouter among those meeting your needs (min_context, max_input_per_1m, max_output_per_1m, ma…
Answeringour last check, 2026-10-18
1 of 1checks answered this week
262 msmedian answer time
$0.003listed price per call
$0.003price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.agentweather.io/v1/decide/cheapest-model
| Category | Market data |
|---|---|
| Provider host | api.agentweather.io |
| Networks | eip155:8453, xrpl:0 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.003 | 262 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"capability": "tools",
"max_job_cost_usd": "0.01",
"min_context": "128000"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"allow_disturbed": {
"description": "true to allow disturbed vendors",
"type": "string"
},
"capability": {
"description": "comma list: reasoning, coding, vision-input, image-output, audio, free-tier, tools, structured-output",
"type": "string"
},
"exclude_retiring_days": {
"description": "skip models retiring within N days (default 30)",
"type": "string"
},
"exclude_vendor": {
"description": "comma list of vendors to skip",
"type": "string"
},
"include_free": {
"description": "true to allow free tiers",
"type": "string"
},
"max_input_per_1m": {
"description": "max input USD per 1M tokens",
"type": "string"
},
"max_job_cost_usd": {
"description": "max USD for 10k in + 1k out tokens",
"type": "string"
},
"max_output_per_1m": {
"description": "max output USD per 1M tokens",
"type": "string"
},
"min_context": {
"description": "minimum context length in tokens",
"type": "string"
},
"vendor": {
"description": "comma list of allowed vendors",
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"queryParams"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": true,
"properties": {
"action": {},
"decision": {},
"fallback": {},
"pick": {},
"rules": {},
"summary": {}
},
"required": [
"decision",
"action",
"summary",
"pick",
"fallback",
"rules"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}