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GET
/
v1
/
models
Models
curl --request GET \
  --url https://api.example.com/v1/models

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List Models

Returns a list of all models available through ModelStack.

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Request

GET https://api.modelstack.cc/v1/models

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Headers

HeaderRequiredDescription
AuthorizationYesBearer your_api_key

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Example Request

curl https://api.modelstack.cc/v1/models \
  -H "Authorization: Bearer your_api_key"

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Response

{
  "object": "list",
  "data": [
    {
      "id": "claude-sonnet-4-5",
      "object": "model",
      "created": 1699000000,
      "owned_by": "anthropic"
    },
    {
      "id": "gpt-4o",
      "object": "model",
      "created": 1699000000,
      "owned_by": "openai"
    },
    {
      "id": "gemini-2.5-pro",
      "object": "model",
      "created": 1699000000,
      "owned_by": "google"
    }
  ]
}

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Supported Models

ModelStack supports 40+ models across three providers. Here’s a summary:

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Anthropic

Model IDDescription
claude-opus-4-6Latest Opus model
claude-opus-4-5Claude Opus 4.5
claude-opus-4-1Claude Opus 4.1
claude-sonnet-4-5Claude Sonnet 4.5
claude-sonnet-4-0Claude Sonnet 4.0
claude-opus-4Claude Opus 4
claude-haiku-4-5Claude Haiku 4.5
claude-3-7-sonnet-20250219Claude 3.7 Sonnet
claude-3-5-sonnet-20241022Claude 3.5 Sonnet
claude-3-5-haiku-20241022Claude 3.5 Haiku
claude-3-haiku-20240307Claude 3 Haiku

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OpenAI

Model IDDescription
gpt-4oGPT-4o
gpt-4o-miniGPT-4o Mini
gpt-4-turboGPT-4 Turbo
o1OpenAI o1
o1-miniOpenAI o1 Mini
o3OpenAI o3
o3-miniOpenAI o3 Mini
o4-miniOpenAI o4 Mini

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Google

Model IDDescription
gemini-2.5-proGemini 2.5 Pro
gemini-2.5-flashGemini 2.5 Flash
gemini-2.0-flashGemini 2.0 Flash
gemini-2.0-flash-liteGemini 2.0 Flash Lite
gemini-1.5-proGemini 1.5 Pro
gemini-1.5-flashGemini 1.5 Flash
Versioned model variants (e.g., claude-sonnet-4-5-20250929, gpt-4o-2024-11-20) are also supported. Any model starting with a supported prefix (claude-, gpt-, o1-, o3-, o4-, gemini-) will be accepted.
For complete pricing details, see Model Pricing.