OpenAI
GPT
Models for reasoning, coding and visual understanding across business and application workflows.
- Reasoning
- Coding
- Vision
Home AI API
Enterprise enquiries open
TIANZHAO AI API
AI access, built around your business.
Plan an API access arrangement for your enterprise, application or API platform. Start with your requirements; confirm the service and commercial terms before activation.
Access by approval · Contact for a quote · No online checkout
Prefer a direct conversation? Open WhatsAppYour access plan01 — 04
01Share your requirements
02Confirm the scope & quote
03Prepare your account
04Verify & activate
A planned service with controlled onboarding. Models, features and limits are confirmed for each approved arrangement.
Model ecosystem
Intelligence for what comes next.
From business applications to video creation. Explore the capabilities, then discuss the access and integration your project needs.
Model capabilities overview · Enquiries only
These cards illustrate model families. Available models, features, regional eligibility and pricing are confirmed before activation.
US & European models
Gemini
Multimodal models for working with text, images, audio and video in AI-powered applications.
- Multimodal
- Content
- Applications
Anthropic
Claude
Models for coding, complex analysis and knowledge work, with tool use for multi-step tasks.
- Coding
- Analysis
- Knowledge work
Mistral AI
Mistral
A model portfolio spanning document understanding, coding and multilingual business tasks.
- Documents
- Coding
- Multilingual
Chinese-developed models
ByteDance
SeedanceAI Video
Video-generation models for creating and editing video from text prompts and visual references.
- AI video
- Visual references
- Creative workflows
DeepSeek
DeepSeek
Reasoning and tool-use models for coding, analysis and agent workflows.
- Reasoning
- Coding
- Agents
Alibaba Cloud
Qwen
A model family spanning coding, reasoning and multimodal business applications.
- Coding
- Reasoning
- Multimodal
Z.ai
GLM
Models for software engineering, reasoning and agent-based workflows.
- Engineering
- Reasoning
- Agents
See Seedance in motion.
Explore the developer’s video examples. This website is an enquiry service, not a video-generation tool.
Groups refer to model developers, not hosting location or data residency. Names and marks belong to their respective owners; no official partnership is implied.
Who it is for
For teams building with AI.
Enterprise teams
Discuss access for internal tools, business workflows and approved applications.
Application builders
Confirm the models, interface requirements and usage budget for your product.
API platforms & resellers
Align your downstream use cases, permitted resale scope and account limits.
Planned account workspace
Keep access and usage in one place.
The proposed service brings account management, API access and usage visibility together. Available features are confirmed before your account is activated.
- Your account & keys
- A customer account with agreed API key permissions, usage limits and access controls.
- Your model access
- A confirmed model catalogue and supported interfaces aligned with your use case.
- Your usage & balance
- Usage records and a prepaid balance governed by the agreed pricing and billing units.
How onboarding works
Four steps to agreed access.
- 01
Share your requirements
Prepare your business, intended use case and expected usage in our enquiry form, then choose how to share it.
- 02
Confirm the scope & quote
Agree on available models, pricing, billing units, permissions and usage limits.
- 03
Prepare your account
After approval, arrange account access, API keys and the agreed prepaid balance.
- 04
Verify & activate
Validate API responses, usage records and billing before enabling agreed access.
Commercial enquiries
Contact for a quote.
Pricing follows the confirmed models, billing units, usage volume and access scope. Discuss the right arrangement before committing funds.
Useful details for your enquiry
- Company name and website
- Intended application or downstream use case
- Models or interface requirements
- Estimated usage and preferred budget
Only share basic enquiry details. Keep API keys, passwords and confidential application data out of the conversation.
Before you apply
Common questions.
Need help with a specific requirement? Start a conversation with our team.
How do I apply for access?
Use Request access to prepare an enquiry with your company name, use case and estimated usage. Review it before choosing a contact option. We will discuss the available service and onboarding requirements with you. Preparing an enquiry does not automatically send a message or create an account.
Which models and prices are available?
Contact us for a quote. The model catalogue, supported interfaces, pricing currency and input, output or other applicable billing units are confirmed in writing before activation.
Can API platforms and resellers apply?
Yes. Describe your downstream customer types and use cases so that permitted resale scope, model access and account limits can be reviewed before an arrangement is agreed.
When can I log in and start calling the API?
Customer login and API access are provided after business approval, upstream readiness and technical verification. This page is an enquiry entry point; it does not activate access or accept online payments.