> ## Documentation Index > Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-5b6e02fd.mintlify.site/llms.txt > Use this file to discover all available pages before exploring further. # Model - Python SDK > Model method reference The Python SDK and docs are currently in beta. Report issues on [GitHub](https://github.com/OpenRouterTeam/python-sdk/issues). Information about an AI model available on OpenRouter ## Fields | Field | Type | Required | Description | Example | | ---------------------- | ---------------------------------------------------------------------------------------------- | -------------------- | ---------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------- | | `id` | *str* | :heavy\_check\_mark: | Unique identifier for the model | openai/gpt-4 | | `canonical_slug` | *str* | :heavy\_check\_mark: | Canonical slug for the model | openai/gpt-4 | | `hugging_face_id` | *OptionalNullable\[str]* | :heavy\_minus\_sign: | Hugging Face model identifier, if applicable | microsoft/DialoGPT-medium | | `name` | *str* | :heavy\_check\_mark: | Display name of the model | GPT-4 | | `created` | *float* | :heavy\_check\_mark: | Unix timestamp of when the model was created | 1692901234 | | `description` | *Optional\[str]* | :heavy\_minus\_sign: | Description of the model | GPT-4 is a large multimodal model that can solve difficult problems with greater accuracy. | | `pricing` | [components.PublicPricing](/client-sdks/python/api-reference/components/publicpricing) | :heavy\_check\_mark: | Pricing information for the model | `{"prompt": "0.00003","completion": "0.00006","request": "0","image": "0"}` | | `context_length` | *Nullable\[float]* | :heavy\_check\_mark: | Maximum context length in tokens | 8192 | | `architecture` | [components.ModelArchitecture](/client-sdks/python/api-reference/components/modelarchitecture) | :heavy\_check\_mark: | Model architecture information | `{"tokenizer": "GPT","instruct_type": "chatml","modality": "text-\u003etext","input_modalities": ["text"],"output_modalities": ["text"]}` | | `top_provider` | [components.TopProviderInfo](/client-sdks/python/api-reference/components/topproviderinfo) | :heavy\_check\_mark: | Information about the top provider for this model | `{"context_length": 8192,"max_completion_tokens": 4096,"is_moderated": true}` | | `per_request_limits` | [Nullable\[components.PerRequestLimits\]](../components/perrequestlimits.md) | :heavy\_check\_mark: | Per-request token limits | `{"prompt_tokens": 1000,"completion_tokens": 1000}` | | `supported_parameters` | List\[[components.Parameter](/client-sdks/python/api-reference/components/parameter)] | :heavy\_check\_mark: | List of supported parameters for this model | | | `default_parameters` | [Nullable\[components.DefaultParameters\]](../components/defaultparameters.md) | :heavy\_check\_mark: | Default parameters for this model | `{"temperature": 0.7,"top_p": 0.9,"frequency_penalty": 0}` | | `expiration_date` | *OptionalNullable\[str]* | :heavy\_minus\_sign: | The date after which the model may be removed. ISO 8601 date string (YYYY-MM-DD) or null if no expiration. | 2025-06-01 |