Model Overview

Supported Models

smai.ai supports hundreds of AI models, covering flagship models from mainstream AI vendors.

OpenAI

GPT-5.2, GPT-4.1, o3-pro, Sora, etc.

Anthropic

Claude 4.5 Sonnet, Claude Opus 4, etc.

Google

Gemini 3 Pro, Gemini 2.5 Flash, etc.

DeepSeek

DeepSeek Chat, DeepSeek Reasoner, etc.

xAI

Grok 3, Grok 3 Mini, etc.

Other Models

Sora, Midjourney, and more models

Model Classification

Classification by Capability

Type	Description	Representative Models
Dialogue Model	General dialogue and text generation	GPT-4.1, Claude 4.5
Reasoning Model	Complex reasoning and problem solving	o3-pro, DeepSeek Reasoner
Visual Model	Image understanding and analysis	GPT-4o, Gemini 3 Pro
Generative Model	Image/video generation	Sora, DALL-E 3

Classification by Endpoint

Endpoint Selection

Different models require different API endpoints.

Chat Completions Endpoint (/v1/chat/completions)

GPT-4.1, GPT-4o, GPT-4-turbo
Claude 4.5 Sonnet, Claude Opus 4
Gemini 3 Pro, Gemini 2.5 Flash
DeepSeek Chat
Grok 3

Responses Endpoint (/v1/responses)

GPT-5.2-pro
o3-pro, o3-mini
o1-pro, o1-mini

Getting the Model List

Obtain the current available model list via API:

curl https://api.smai.ai/v1/models \
  -H "Authorization: Bearer sk-your-api-key"

Response example:

{
  "object": "list",
  "data": [
    {
      "id": "gpt-4.1",
      "object": "model",
      "owned_by": "openai"
    },
    {
      "id": "claude-4.5-sonnet",
      "object": "model",
      "owned_by": "anthropic"
    }
  ]
}

Model Selection Recommendations

Scenario	Recommended Model	Reason
Daily Conversation	GPT-4.1, Claude 4.5	Cost-effective, fast response
Complex Reasoning	o3-pro, DeepSeek Reasoner	Strong reasoning capability
Code Generation	Claude 4.5, GPT-4.1	High code quality
Long Text	Claude Opus 4, Gemini 3	Large context window
Image Understanding	GPT-4o, Gemini 3 Pro	Multimodal capability
Cost-sensitive	DeepSeek Chat, Gemini Flash	Affordable price