@llmgateway/models
Model and provider definitions for LLM Gateway - the unified API for all LLM providers.
Installation
npm install @llmgateway/models
Usage
Models
The models array contains all supported LLM models with their pricing and provider mappings:
import { models } from "@llmgateway/models";
// Find a specific model
const gpt4 = models.find((m) => m.id === "gpt-4o");
console.log(gpt4.id); // "gpt-4o"
console.log(gpt4.family); // "openai"
console.log(gpt4.contextSize); // 128000
console.log(gpt4.providers); // Provider mappings with pricing
Model Properties
| Property | Type | Description |
|---|---|---|
id | string | Unique model identifier |
family | string | Model family (openai, anthropic, google, etc.) |
contextSize | number | Maximum context window in tokens |
maxOutput | number | Maximum output tokens |
providers | ProviderModelMapping[] | Available providers with pricing |
supportsImages | boolean | Whether model supports image inputs |
supportsTools | boolean | Whether model supports tool/function calling |
supportsReasoning | boolean | Whether model supports extended reasoning |
free | boolean | Whether model is free to use |
Provider Mapping Properties
| Property | Type | Description |
|---|---|---|
providerId | string | Provider identifier |
externalId | string | Upstream provider model id |
inputPrice | number | Price per input token (USD) |
outputPrice | number | Price per output token (USD) |
cachedInputPrice | number | Price per cached input token (USD) |
contextSize | number | Provider-specific context size |
maxOutput | number | Provider-specific max output |
Providers
The providers array contains all supported LLM providers:
import { providers } from "@llmgateway/models";
// List all providers
providers.forEach((p) => {
console.log(`${p.name}: ${p.description}`);
});
// Find a specific provider
const openai = providers.find((p) => p.id === "openai");
console.log(openai.name); // "OpenAI"
console.log(openai.website); // "https://openai.com"
Provider Properties
| Property | Type | Description |
|---|---|---|
id | string | Unique provider identifier |
name | string | Display name |
description | string | Provider description |
website | string | Provider website URL |
streaming | boolean | Whether provider supports streaming |
color | string | Brand color (hex) |
Supported Providers
- OpenAI
- Anthropic
- Google AI Studio
- Google Vertex AI
- Azure OpenAI
- AWS Bedrock
- Mistral
- DeepSeek
- xAI (Grok)
- Perplexity
- And more...
Full Model List
For the complete list of models with live pricing, visit llmgateway.io/models.
License
See LICENSE for details.