1
Choose a model
Match quality, context, modality and latency to the workload.
Start here
AI API Guides
Choose, price and integrate leading model APIs with practical examples for OpenAI, Claude, Gemini, DeepSeek and Qwen.
Go from model shortlist to a working production request.
Structured learning path
Learn in the order developers build.
Start with the decision, move into implementation and finish with production checks.
2
Understand pricing
Estimate token, cache, tool and request-level costs.
3
Integrate the API
Use OpenAI-compatible or provider-native SDK patterns.
4
Ship safely
Add retries, limits, observability and fallback routes.
Core guides
Build topical authority, not article islands.
Provider guide01
OpenAI API Guide
Models, Responses API patterns and migration considerations.
Open guideProvider guide02
Claude API Guide
Messages API, prompt caching and long-context workflows.
Open guideProvider guide03
Gemini API Guide
Multimodal requests, context and production integration.
Open guideProvider guide04
DeepSeek API Guide
Reasoning workloads, pricing and OpenAI-compatible calls.
Open guideProvider guide05
Qwen API Guide
Qwen model selection, parameters and code examples.
Open guide Use case
Launch a multi-model feature
Start with one request contract, test two compatible models and keep the route configurable.
Define the output contract
Benchmark with real prompts
Estimate cost per successful task
Add a fallback before launch
Latest from the hub
Continue with current articles.
![[TEST]ChatGPT Plus Subscription Price in Russia (2026 Guide)](/_next/image/?url=https%3A%2F%2Fresource.cometapi.com%2FCleanShot20260330162223%402x.png&w=3840&q=75)
Explore every growth topic.
AI API Guides
Go from model shortlist to a working production request.
LLM Infrastructure
Build an AI request layer that survives provider and model changes.
AI Agent
Move from a prompt demo to an observable agent workflow.
Cost Optimization
Lower cost without hiding quality or reliability trade-offs.
Model Comparison
Select a model based on the job, not the leaderboard headline.
Tutorials
Copy a working pattern, understand it and adapt it to your application.
AEO-ready answers
Frequently asked questions
What is an AI model API?
It is a programmatic interface for sending input to a model and receiving generated text, images, audio, video or structured data.
How should developers compare AI APIs?
Use the same real workload and compare task quality, total cost, latency, reliability, modalities, tooling and migration effort.