Model Recommendations
LeapX API supports 200+ mainstream AI models. This page provides detailed model information, pricing, and usage instructions.
Enterprise-grade AI model API gateway. Aggregating excellent large models. No rate limits, no expiration, pay-as-you-go, reliable long-term service.
🔥 Currently Recommended Models
Below are the currently stable and popular models. For the complete model list and real-time pricing, visit LeapX API Console.
Model Categories
🤖 OpenAI Series
Reasoning Models
| Model Name | Model ID | Features | Recommended For |
|---|
| o4-mini | o4-mini | Lightweight reasoning model | Coding tasks |
| o3-mini ⭐ | o3-mini | Latest reasoning model, great value | Complex reasoning, math, coding |
GPT Series
| Model Name | Model ID | Context | Features | Recommended For |
|---|
| GPT 5.2 ⭐ | gpt-5.2 | 400K | Improved on GPT-5.1, more reliable, flexible and user-friendly interaction | Conversation, thinking, copywriting, coding |
| GPT 5.1 Codex | gpt-5.1-codex | 400K | Enhanced developer toolchain, stronger reasoning framework, context-aware code analysis and generation | Conversation, coding, copywriting |
| GPT 5.1 Chat | gpt-5.1-chat | 128K | First to introduce chain-of-thought in chat, faster, more natural, context-aware dialogue | Conversation, copywriting |
| GPT 5.1 | gpt-5.1 | 400K | On-demand reasoning, adaptive reasoning | Conversation, thinking, copywriting, coding |
| GPT 5.1 Codex Mini | gpt-5.1-codex-mini | 128K | Lightweight and efficient, for resource-constrained, cost-sensitive scenarios | Conversation, coding, copywriting |
Image Generation Models
| Model Name | Model ID | Features |
|---|
| GPT-Image-1 | gpt-image-1 | OpenAI official image generation |
🎭 Claude Series (Anthropic)
Claude 4 Series (Latest)
| Model Name | Model ID | Context | Features | Recommended For |
|---|
| Claude Opus 4.6 ⭐ | claude-opus-4-6 | 1M | Anthropic’s most capable model, sets new standards for production code, complex agents and office tasks | Conversation, reasoning, coding, copywriting |
| Claude Sonnet 4.5 | claude-sonnet-4-5-20250929 | 200K | Agent improvements, tool handling, memory and context processing enhanced | Conversation, thinking, copywriting, coding |
| Claude Haiku 4.5 | claude-haiku-4-5-20251001 | 200K | Anthropic’s most efficient model, fast and cost-effective near-frontier performance | Conversation, thinking, copywriting, coding |
| Claude Opus 4.5 | claude-opus-4-5-20251101 | 200K | Anthropic’s most capable model, sets new standards for production code, complex agents and office tasks | Conversation, thinking, copywriting, coding |
| Claude Opus 4.1 | claude-opus-4-1-20250805 | 200K | Excellent reasoning capability | Conversation, thinking, copywriting, coding |
🌟 Google Gemini Series
| Model Name | Model ID | Context | Features | Recommended For |
|---|
| Nano Banana Pro | nano-banana-pro | 64K | Gemini 3 Pro Image, versatile image generation model with reasoning in image generation | Text-to-image, image-to-image |
| Gemini 3.1 Pro Preview ⭐ | gemini-3.1-pro-preview | 1M | Google’s most intelligent model, reasoning doubled vs 3 Pro, ARC-AGI-2 score 77.1% | Conversation, thinking, copywriting, coding |
| Gemini 3 Flash Preview | gemini-3-flash-preview | 1M | Powerful agentic capabilities at speed and value, ideal for multi-turn dialogue | Conversation, thinking, copywriting, coding |
🚀 xAI Grok Series
| Model Name | Model ID | Context | Features | Recommended For |
|---|
| Grok-4 | grok-4 | 256K | Powerful flagship, unparalleled performance in natural language, math and reasoning | Conversation, thinking, copywriting, coding |
| Grok-4 Fast Reasoning | grok-4-fast-reasoning | 2M | Cost-effective, fast reasoning variant | Conversation, thinking, copywriting, coding |
| Grok-3 | grok-3 | 128K | Enterprise applications, expertise in finance, healthcare, legal and science | Conversation, copywriting |
🔍 DeepSeek Series
| Model Name | Model ID | Context | Features | Recommended For |
|---|
| DeepSeek V3.1 250821 ⭐ | deepseek-v3.1-250821 | 128K | New hybrid reasoning model, thinking and non-thinking modes, higher efficiency than DeepSeek-R1 | Conversation, thinking, copywriting, coding |
| DeepSeek V3 | deepseek-v3 | 128K | Strong overall, cost-effective | General use |
| DeepSeek R1 | deepseek-r1 | 64K | Reasoning model | Math, reasoning |
🐘 Chinese Models
Zhipu AI (GLM)
| Model Name | Model ID | Context | Features | Recommended For |
|---|
| glm-5 | glm-5 | See console | Latest Zhipu chat model | Conversation, copywriting, coding |
| glm-4.7 | glm-4.7 | 200K | Latest flagship, stronger coding and multi-step reasoning, 355B params | Conversation, thinking, long-range planning, coding, tool use |
Doubao Seed Series
| Model Name | Model ID | Context | Features | Recommended For |
|---|
| Doubao Seed 1.8 | doubao-seed-1-8-251228 | See console | Doubao chat model | Conversation, copywriting |
Alibaba Qwen
| Model Name | Model ID | Context | Features | Recommended For |
|---|
| Qwen Image Plus | qwen-image-plus | 32K | Qwen image generation model, 20B params, strong text rendering | Text-to-image, image generation |
| Qwen3 Coder Plus | qwen3-coder-plus | 1M | Code model based on Qwen3, strong Coding Agent, tool use and environment interaction | Conversation, thinking, coding, copywriting |
Moonshot Kimi
| Model Name | Model ID | Context | Features | Recommended For |
|---|
| kimi-k2.5 ⭐ | kimi-k2.5 | 256K | Moonshot’s most capable model, native multimodal, vision and text, thinking and non-thinking modes | Conversation, thinking |
| Kimi K2 250905 | kimi-k2-250905 | 256K | MoE architecture, 1T params, 32B active, strong code and Agent capabilities | Conversation, thinking, copywriting, coding |
💰 Pricing
Billing
- Pay-as-you-go: Billed by actual Token usage
- No minimum: Use what you pay for, balance never expires
- Real-time billing: Deducted immediately after each call
Price Advantages
- Official source forwarding with competitive pricing
- Contact support for bulk discounts
🛠️ Usage Guide
Model Selection
Coding
Writing
Fast Response
Image Generation
Long Text
- Top Performance: Claude Opus 4.6, GPT 5.2, Claude Sonnet 4.5
- Cost-effective: Claude Haiku 4.5, GPT 5.1 Codex Mini, DeepSeek V3.1, Grok-4 Fast Reasoning, glm-5
- Alternative: o4-mini, Gemini 3 Pro Preview, Qwen3 Coder Plus, kimi-k2.5, doubao-seed-1-8-251228
- Primary: GPT 5.2, Claude Opus 4.6, Claude Sonnet 4.5, glm-5
- Alternative: Gemini 3 Pro Preview, Kimi K2, glm-4.7, doubao-seed-1-8-251228
- Primary: Claude Haiku 4.5, Gemini 3 Flash Preview, Grok-4 Fast Reasoning
- Alternative: glm-5, glm-4.7, GPT 5.1 Codex Mini, doubao-seed-1-8-251228
- Recommended: Nano Banana Pro (Gemini 3 Pro Image), Qwen Image Plus, GPT-Image-1
- Ultra-long context: Gemini 3 Pro Preview (1M), Claude Opus 4.1 (200K)
- Coding: Claude 4 series, kimi-k2.5, Kimi K2
Cost Optimization
- Tiered usage: Use cheaper models for simple tasks
- Test first: Test with smaller models before scaling
- Batch processing: Use Mini versions for bulk tasks
- Cache reuse: Cache repeated query results
API Docs
Detailed API specifications
Quick Start
Integration guide
Model list is continuously updated. We add new models as they become available. Contact support for specific model requests or bulk needs.
