Models API | 200+ AI Models List | LaoZhang API

API Overview

The Models API is used to obtain the AI model list and detailed information supported by the Laozhang API platform. Through this interface, you can view all available models, understand model features, and pricing information.

API Information

API Endpoint: GET https://api.laozhang.ai/v1/models Compatibility: Fully compatible with OpenAI official API format

Get Model List

Request Examples

curl https://api.laozhang.ai/v1/models \
  -H "Authorization: Bearer YOUR_API_KEY"

Response Format

{
  "object": "list",
  "data": [
    {
      "id": "gpt-4o",
      "object": "model",
      "created": 1687882411,
      "owned_by": "openai",
      "permission": [
        {
          "id": "modelperm-xxx",
          "object": "model_permission",
          "created": 1687882411,
          "allow_create_engine": false,
          "allow_sampling": true,
          "allow_logprobs": true,
          "allow_search_indices": false,
          "allow_view": true,
          "allow_fine_tuning": false,
          "organization": "*",
          "group": null,
          "is_blocking": false
        }
      ],
      "root": "gpt-4o",
      "parent": null
    },
    {
      "id": "gpt-4o-mini",
      "object": "model",
      "created": 1687882411,
      "owned_by": "openai",
      "permission": [...],
      "root": "gpt-4o-mini",
      "parent": null
    }
  ]
}

Get Specific Model Information

Request Examples

curl https://api.laozhang.ai/v1/models/gpt-4o \
  -H "Authorization: Bearer YOUR_API_KEY"

Response Format

{
  "id": "gpt-4o",
  "object": "model",
  "created": 1687882411,
  "owned_by": "openai",
  "permission": [
    {
      "id": "modelperm-xxx",
      "object": "model_permission",
      "created": 1687882411,
      "allow_create_engine": false,
      "allow_sampling": true,
      "allow_logprobs": true,
      "allow_search_indices": false,
      "allow_view": true,
      "allow_fine_tuning": false,
      "organization": "*",
      "group": null,
      "is_blocking": false
    }
  ],
  "root": "gpt-4o",
  "parent": null
}

Response Field Descriptions

Field	Type	Description
`id`	string	Unique identifier for the model
`object`	string	Object type, fixed as “model”
`created`	integer	Model creation timestamp
`owned_by`	string	Model owner
`permission`	array	Model permission list
`root`	string	Root model name
`parent`	string	Parent model name (if applicable)

Major Model Categories

OpenAI Series

GPT-4o Series

Latest multimodal models supporting text, image, and audio processingAvailable Models:

gpt-4o - Latest flagship model
gpt-4o-mini - Lightweight and efficient version
gpt-4o-2024-11-20 - Specific date version

Features:

Supports image understanding and generation
Excellent multilingual capabilities
Powerful reasoning abilities

GPT-4 Series

Classic GPT-4 model series providing powerful text generation capabilitiesAvailable Models:

gpt-4 - Standard GPT-4 model
gpt-4-turbo - Faster version
gpt-4-32k - Supports 32K context

Features:

Excellent text generation quality
Strong logical reasoning ability
Good code understanding capability

O1 Series

Models designed specifically for complex reasoning tasksAvailable Models:

o1-preview - Reasoning capability preview version
o1-mini - Lightweight reasoning model
o3 - Latest reasoning model

Features:

Powerful mathematical reasoning ability
Suitable for complex logical problems
Does not support streaming output

Claude Series

Claude 3.5 Series

Anthropic’s latest high-performance modelsAvailable Models:

claude-3-5-sonnet-20241022 - Most powerful version
claude-3-5-haiku-20241022 - Fast version

Features:

Excellent code generation capability
Strong text understanding ability
Supports long text processing

Claude 3 Series

Classic Claude 3 model seriesAvailable Models:

claude-3-opus-20240229 - Strongest reasoning capability
claude-3-sonnet-20240229 - Balanced version
claude-3-haiku-20240307 - Fast version

Features:

High security
Strong reasoning ability
Supports multiple task types

Google Gemini Series

Gemini 1.5 Series

Google’s latest multimodal modelsAvailable Models:

gemini-1.5-pro - High-performance version
gemini-1.5-flash - Fast version

Features:

Ultra-long context support (up to 2 million tokens)
Strong multimodal capabilities
Fast processing speed

Gemini Pro Series

Classic Gemini Pro modelsAvailable Models:

gemini-pro - Standard version
gemini-pro-vision - Supports image understanding

Features:

Good multilingual support
Powerful analytical capabilities
Suitable for enterprise applications

Chinese Language Models

Alibaba Tongyi Series

Large language models developed by AlibabaAvailable Models:

qwen-turbo - Fast version
qwen-plus - High-performance version
qwen-max - Most powerful version

Features:

Outstanding Chinese capabilities
Rich multi-domain knowledge
High cost-performance ratio

DeepSeek Series

Models focused on code and reasoningAvailable Models:

deepseek-chat - Dialogue model
deepseek-coder - Code-specific
deepseek-v2.5 - Latest version

Features:

Outstanding code capabilities
Strong reasoning ability
Open-source friendly

Zhipu GLM Series

Large models developed by Tsinghua UniversityAvailable Models:

glm-4 - Fourth generation model
glm-4v - Multimodal version
glm-3-turbo - Fast version

Features:

Strong academic capabilities
Excellent Chinese-English bilingual
Suitable for research applications

Image Generation Models

Text-to-Image

Model ID	Provider	Features	Price
`dall-e-3`	OpenAI	High-quality image generation	$0.04/image
`dall-e-2`	OpenAI	Classic image generation	$0.02/image
`gpt-4o-image`	Laozhang API optimized	Ultra-high cost-performance	$0.01/image
`flux-pro`	Flux	Professional-grade quality	$0.05/image
`flux-dev`	Flux	Development version	$0.03/image
`midjourney-v6`	Midjourney	Strong artistic quality	$0.08/image
`stable-diffusion-xl`	Stability AI	Open-source high-quality	$0.02/image

Image Understanding

Model ID	Provider	Features	Price
`gpt-4o`	OpenAI	Strong image understanding	$5/1M tokens
`gpt-4o-mini`	OpenAI	Lightweight image understanding	$0.15/1M tokens
`gemini-pro-vision`	Google	Multimodal understanding	$0.25/1M tokens
`claude-3-5-sonnet`	Anthropic	Document image understanding	$3/1M tokens

Audio Models

Text-to-Speech (TTS)

Model ID	Provider	Features	Price
`tts-1`	OpenAI	Standard speech synthesis	$15/1M characters
`tts-1-hd`	OpenAI	High-definition speech synthesis	$30/1M characters

Speech-to-Text (STT)

Model ID	Provider	Features	Price
`whisper-1`	OpenAI	Multilingual speech recognition	$0.006/minute

Usage Recommendations

Select Models by Scenario

Daily Conversations

Code Generation

Complex Reasoning

Chinese Processing

Cost-Performance Selection

Budget Priority

Recommended Models:

GPT-4o Mini: $0.15/1M tokens (input)
Claude 3.5 Haiku: $1/1M tokens (input)
Tongyi Qianwen Turbo: $0.3/1M tokens (input)
DeepSeek Chat: $0.14/1M tokens (input)

Suitable Scenarios:

Large-scale text processing
Batch data analysis
Development and testing phases

Performance Priority

Recommended Models:

GPT-4o: $5/1M tokens (input)
Claude 3.5 Sonnet: $3/1M tokens (input)
O1 Preview: $15/1M tokens (input)

Suitable Scenarios:

Critical business applications
Complex reasoning tasks
High-quality content generation

Balanced Choice

Recommended Models:

GPT-4 Turbo: $10/1M tokens (input)
Claude 3 Sonnet: $3/1M tokens (input)
Gemini 1.5 Pro: $1.25/1M tokens (input)

Suitable Scenarios:

Daily business applications
Medium-complexity tasks
Long-term stable usage

Real-time Model Information Retrieval

You can obtain the latest model list and pricing information in real-time through the API:

import requests

# Get model list
response = requests.get(
    "https://api.laozhang.ai/v1/models",
    headers={"Authorization": "Bearer YOUR_API_KEY"}
)

models = response.json()
for model in models['data']:
    print(f"Model: {model['id']}, Owner: {model['owned_by']}")

Error Handling

Error Code	Description	Solution
401	Invalid API Key	Check if API Key is correct
403	Insufficient permissions	Confirm API Key has access permissions
404	Model does not exist	Check if model ID is correct
429	Too many requests	Reduce request frequency
500	Server error	Retry later or contact support

View Complete Model List

View detailed information and pricing for all 200+ AI models

Start Using Chat API

Learn how to call models using Chat Completions API

Core APIs

Model Guides

Models API | 200+ AI Models List | LaoZhang API

API Overview

API Information

Get Model List

Request Examples

Response Format

Get Specific Model Information

Request Examples

Response Format

Response Field Descriptions

Major Model Categories

OpenAI Series

Claude Series

Google Gemini Series

Chinese Language Models

Image Generation Models

Text-to-Image

Image Understanding

Audio Models

Text-to-Speech (TTS)

Speech-to-Text (STT)

Usage Recommendations

Select Models by Scenario

Daily Conversations

Code Generation

Complex Reasoning

Chinese Processing

Cost-Performance Selection

Real-time Model Information Retrieval

Error Handling

View Complete Model List

Start Using Chat API

Core APIs

Model Guides

​API Overview

​API Information

​Get Model List

​Request Examples

​Response Format

​Get Specific Model Information

​Request Examples

​Response Format

​Response Field Descriptions

​Major Model Categories

​OpenAI Series

​Claude Series

​Google Gemini Series

​Chinese Language Models

​Image Generation Models

​Text-to-Image

​Image Understanding

​Audio Models

​Text-to-Speech (TTS)

​Speech-to-Text (STT)

​Usage Recommendations

​Select Models by Scenario

Daily Conversations

Code Generation

Complex Reasoning

Chinese Processing

​Cost-Performance Selection

​Real-time Model Information Retrieval

​Error Handling

View Complete Model List

Start Using Chat API

API Overview

API Information

Get Model List

Request Examples

Response Format

Get Specific Model Information

Request Examples

Response Format

Response Field Descriptions

Major Model Categories

OpenAI Series

Claude Series

Google Gemini Series

Chinese Language Models

Image Generation Models

Text-to-Image

Image Understanding

Audio Models

Text-to-Speech (TTS)

Speech-to-Text (STT)

Usage Recommendations

Select Models by Scenario

Cost-Performance Selection

Real-time Model Information Retrieval

Error Handling