Run the same task against several explicitly selected open-weight models in para
Run the same task against several explicitly selected open-weight models in parallel and return every answer separately. No ranking, verification, or synthesis.
Answeringour last check, 2026-10-19
1 of 1checks answered this week
1413 msmedian answer time
$0.004listed price per call
$0.004price 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
POST https://api.ai-open-models.com/v1/compare/chat/completions
| Category | Everything else |
|---|---|
| Provider host | api.ai-open-models.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-19 | valid payment request | 402 | $0.004 | 1413 ms |
Example input (from the provider)
{
"body": {
"max_tokens": 512,
"messages": [
{
"content": "Explain the security tradeoffs of passkeys in plain language.",
"role": "user"
}
],
"models": [
"zai-org/GLM-5.3-Flash",
"Qwen/Qwen3.8-27B"
],
"stream": false,
"temperature": 0.2
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"max_tokens": {
"default": 8192,
"description": "Maximum completion tokens reserved separately for every selected model. Every selected model must support the requested output and context limits.",
"maximum": 131072,
"minimum": 1,
"type": "integer"
},
"messages": {
"description": "OpenAI-compatible conversation messages sent unchanged to every selected model.",
"items": {
"additionalProperties": false,
"allOf": [
{
"if": {
"properties": {
"role": {
"const": "system"
}
},
"required": [
"role"
]
},
"then": {
"properties": {
"content": {
"type": "string"
}
},
"required": [
"content"
]
}
},
{
"if": {
"properties": {
"role": {
"const": "user"
}
},
"required": [
"role"
]
},
"then": {
"properties": {
"content": {
"anyOf": [
{
"type": "string"
},
{
"items": {
"additionalProperties": false,
"allOf": [
{
"if": {
"properties": {
"type": {
"const": "text"
}
},
"required": [
"type"
]
},
"then": {
"not": {
"required": [
"image_url"
]
},
"required": [
"text"
]
}
},
{
"if": {
"properties": {
"type": {
"const": "image_url"
}
},
"required": [
"type"
]
},
"then": {
"not": {
"required": [
"text"
]
},
"required": [
"image_url"
]
}
}
],
"properties": {
"image_url": {
"additionalProperties": false,
"properties": {
"detail": {
"description": "Requested image detail level. Availability and visual-token usage are provider-specific.",
"enum": [
"auto",
"low",
"high"
],
"type": "string"
},
"url": {
"anyOf": [
{
"maxLength": 8192,
"minLength": 1,
"pattern": "^https://",
"type": "string"
},
{
"maxLength": 6990540,
"minLength": 1,
"pattern": "^data:image/(png|jpeg|webp|gif);base64,[A-Za-z0-9+/]+={0,2}$",
"type": "string"
}
],
"description": "Public HTTPS image URL or a base6