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All AI Models in One API

500+ AI Models Free For A Limited Time! Register Now

10000K+
Daily Requests
100K+
Active Users
99%
Satisfaction Rate

Trusted by teams at

Make
qRaptor
Bytewatchers Samoa
KolerskyAI
Shark AI

All Multimodal AI Models

Integrate once and swap engines effortlessly. Provides an out-of-the-box SDK, interactive Playground, Postman collection, and sample projects. Built-in comparative testing, response visualization, and usage analysis allow engineers to prototype within hours and select the optimal model combination through comparison.

AI Image Generation APIs

AI Image Generation APIs

Create stunning, on-brand images instantly with Nano Banana Pro, GPT-4O Image, and Flux 2 API. Control lighting, texture, and repeatable character design across styles — from photoreal renders to stylized illustrations. Design and engineering ship polished visuals without rewrites or vendor juggling.

AI Video Generation APIs

Offers flexible combinations of Sora 2, Veo 3.1, and Kling 2.5. Sora 2 is suitable for detailed scenes and audio-visual synchronization, Veo 3.1 excels in visual realism and motion continuity, and Kling AI emphasizes a balance between speed and cost—choose the optimal rendering strategy based on project needs.

AI Music Generation APIs

AI Music Generation APIs

Quickly generate soundtracks, tracks, and emotional sound effects via the Suno API(support V4, V4.5, V4.5+ and V5.). Supports multi-segment, theme variations, and royalty-free output, adapting to games, advertising, and application scenarios, shortening audition and iteration cycles, and making sound as controllable and reproducible as code.

LLM & AI Chat APIs

Fuel search, chat, and reasoning with latest LLM that Claude 4.5, GPT 5.1, and Gemini 3 Pro. Each model balances latency, cost, and safety to match your use case — from low-latency assistants to deep retrieval-augmented reasoning.

LLM & AI Chat APIs

Benefits

Comprehensive tools and services to power your AI applications

Fast

Fast

Ultra high concurrency with low latency responses.
Newest

Newest

Be the first to access the latest AI models globally.
Stable

Stable

24/7 uninterrupted, reliable performance.
Save

Save

Up to 20% off with our competitive pricing model.

Features

Why choose CometAPI for your AI integration needs

Usage Analytics

Detailed insights into your API usage patterns and performance metrics.

Pay-as-you-go

Flexible pricing model that scales with your usage and budget.

Privacy

Enterprise-grade security and privacy protection for your data.

Simple Integration

Connect CometAPI to your stack in minutes — lightweight SDKs, clear docs, and example code to get your first API call working fast.

Documentation Support

1:1 Human Support

Performance & Cost Tuning

import openai

client = openai.OpenAI(
    api_key="your-api-key",
    base_url="https://api.cometapi.com/v1"
)

response = client.chat.completions.create(
    model="gpt-4",
    messages=[{"role": "user", "content": "Hello!"}]
)

print(response.choices[0].message.content)

What Our Users Say

Hear from developers and teams who trust CometAPI — real feedback on reliability, ease of integration, performance, and support.

We sincerely appreciate you and the CometAPI team for the excellent API support, partnership, and assistance—your help has enabled the successful use of API keys in the Claude Code setup and provided valuable second opinions, making you a fantastic partner.

Kevin CEO of Bytewatchers

As developers, we really enjoy communicating with you and your support team, and we would not want to switch to alternative API services

Leonid Dolgirev Founder of WB Sharks AI

Currently, I use other platforms for images (Nano Banana Pro) and for LLMs. I'd like to migrate my entire setup to CometAPI. Your pricing for the LLM 'gemini-3-pro-preview-thinking' is excellent. I'd like to consolidate all my traffic (LLM + image generation) with you

Daniel Schweig strator of Kindle Direct Publishing

FAQ

Find concise answers to common questions about CometAPI — from API documentation and authentication to pricing, integration steps, and troubleshooting tips.

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