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GET
/
model
/
{author}
/
{slug}
Get a model by its slug
curl --request GET \
  --url https://openrouter.ai/api/v1/model/{author}/{slug} \
  --header 'Authorization: Bearer <token>'
{
  "data": {
    "architecture": {
      "input_modalities": [
        "text"
      ],
      "instruct_type": "chatml",
      "modality": "text->text",
      "output_modalities": [
        "text"
      ],
      "tokenizer": "GPT"
    },
    "context_length": 8192,
    "created": 1692901234,
    "description": "GPT-4 is a large multimodal model that can solve difficult problems with greater accuracy.",
    "id": "openai/gpt-4",
    "name": "GPT-4",
    "per_request_limits": null,
    "pricing": {
      "completion": "0.00006",
      "image": "0",
      "prompt": "0.00003",
      "request": "0"
    },
    "supported_parameters": [
      "temperature",
      "top_p",
      "max_tokens"
    ],
    "top_provider": {
      "context_length": 8192,
      "is_moderated": true,
      "max_completion_tokens": 4096
    }
  }
}

Authorizations

​
Authorization
string
header
required

API key as bearer token in Authorization header

Path Parameters

​
author
string
required

The author/organization of the model

Example:

"openai"

​
slug
string
required

The model slug, optionally including a variant suffix (e.g. gpt-4 or gpt-4:free)

Example:

"gpt-4"

Response

Returns the model details

Single model response

​
data
object
required

Information about an AI model available on OpenRouter

Example:
{
  "architecture": {
    "input_modalities": ["text"],
    "instruct_type": "chatml",
    "modality": "text->text",
    "output_modalities": ["text"],
    "tokenizer": "GPT"
  },
  "canonical_slug": "openai/gpt-4",
  "context_length": 8192,
  "created": 1692901234,
  "default_parameters": null,
  "description": "GPT-4 is a large multimodal model that can solve difficult problems with greater accuracy.",
  "expiration_date": null,
  "id": "openai/gpt-4",
  "knowledge_cutoff": null,
  "links": {
    "details": "/api/v1/models/openai/gpt-5.4/endpoints"
  },
  "name": "GPT-4",
  "per_request_limits": null,
  "pricing": {
    "completion": "0.00006",
    "image": "0",
    "prompt": "0.00003",
    "request": "0"
  },
  "reasoning": {
    "default_effort": "medium",
    "default_enabled": true,
    "mandatory": false,
    "supported_efforts": ["high", "medium", "low", "minimal"]
  },
  "supported_parameters": ["temperature", "top_p", "max_tokens"],
  "supported_voices": null,
  "top_provider": {
    "context_length": 8192,
    "is_moderated": true,
    "max_completion_tokens": 4096
  }
}