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Access Top Models at Low Cost

500+ Models in One API, Up to 20% Off

Doubao-Seed-2.0
D

Doubao-Seed-2.0

Input:$0.024/M
Output:$0.24/M
Claude Opus 4.6
A

Claude Opus 4.6

Input:$4/M
Output:$20/M
GLM 5
Z

GLM 5

Input:$0.672/M
Output:$2.688/M
MiniMax M2.5
M

MiniMax M2.5

Input:$0.24/M
Output:$0.96/M
Nano Banana 2
G

Nano Banana 2

Input:$0.2/M
Output:$1.2/M
Doubao Seedream 5
D

Doubao Seedream 5

Per Request:$0.028
Nano Banana Pro
G

Nano Banana Pro

Input:$1.5616/M
Output:$9.3696/M
GPT Image 1.5
O

GPT Image 1.5

Input:$6.4/M
Output:$25.6/M
Sora 2 Pro
O

Sora 2 Pro

Per Second:$0.24
Sora 2
O

Sora 2

Per Second:$0.08
Veo 3.1 Pro
G

Veo 3.1 Pro

Per Request:$2
Veo 3.1
G

Veo 3.1

Per Request:$0.4
gpt-realtime-1.5
O

gpt-realtime-1.5

Input:$3.2/M
Output:$12.8/M
gpt-audio-1.5
O

gpt-audio-1.5

Input:$2/M
Output:$8/M
Whisper-1
O

Whisper-1

Input:$24/M
Output:$24/M
TTS
O

TTS

Input:$12/M
Output:$12/M
GPT-5.2
O

GPT-5.2

Input:$1.4/M
Output:$11.2/M
Gemini 3 Flash
G

Gemini 3 Flash

Input:$0.4/M
Output:$2.4/M
Claude Sonnet 4.6
A

Claude Sonnet 4.6

Input:$2.4/M
Output:$12/M
qwen3.5-plus
Q

qwen3.5-plus

Input:$0.32/M
Output:$1.92/M

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, full tracks, and expressive sound effects through our unified music model APIs. Supports multi-segment composition, theme variations, and royalty-free output — adaptable to games, advertising, and diverse application scenarios. Shorten audition and iteration cycles, and make sound as controllable and reproducible as code.

LLM & AI Chat APIs

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.

Model Groups

Discover models from OpenAI, Anthropic, Google, Aliyun, xAI, Deepseek, and more. Each provider group features unique strengths — from advanced reasoning and code generation to multimodal understanding and real-time inference. Find the right model for your project.

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)

Most Popular Models

Explore our most popular models, trusted by developers for performance, reliability, and ease of integration across real-world applications.

C

gpt-oss-120b

C

gpt-oss-120b

Input:$0.16/M
Output:$0.8/M
gpt-oss-120b is an artificial intelligence model provided by cloudflare-workers-ai.
D

DeepSeek-V3

D

DeepSeek-V3

Input:$0.216/M
Output:$0.88/M
The most popular and cost-effective DeepSeek-V3 model. 671B full-blood version. This model supports a maximum context length of 64,000 tokens.
Grok 4.1 Fast
X

Grok 4.1 Fast

Input:$0.16/M
Output:$0.4/M
Grok 4.1 Fast is xAI’s production-focused large model, optimized for agentic tool-calling, long-context workflows, and low-latency inference. It’s a multimodal, two-variant family designed to run autonomous agents that search, execute code, call services, and reason over extremely large contexts (up to 2 million tokens).
G

Gemini 2.5 Flash

G

Gemini 2.5 Flash

Input:$0.24/M
Output:$2/M
Gemini 2.5 Flash is an AI model developed by Google, designed to provide fast and cost-effective solutions for developers, especially for applications requiring enhanced Inference capabilities. According to the Gemini 2.5 Flash preview announcement, the model was released in preview on April 17, 2025, supports Multimodal input, and has a context window of 1 million tokens. This model supports a maximum context length of 65,536 tokens.
O

GPT-5 mini

O

GPT-5 mini

Input:$0.2/M
Output:$1.6/M
GPT-5 mini is OpenAI’s cost- and latency-optimized member of the GPT-5 family, intended to deliver much of GPT-5’s multimodal and instruction-following strengths at substantially lower cost for large-scale production use. It targets environments where throughput, predictable per-token pricing, and fast responses are the primary constraints while still providing strong general-purpose capabilities.

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.

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.