# BigModel vs HiAPI

BigModel records 5,700,686 monthly visits with -17% month-over-month growth and Freemium pricing. HiAPI records 19,717 monthly visits with +27.5% growth and Paid pricing.

| Metric | [BigModel](https://openaitools.app/tool/bigmodel) | [HiAPI](https://openaitools.app/tool/hiapi) |
| :--- | :--- | :--- |
| Website URL | https://bigmodel.cn | https://www.hiapi.ai/en |
| Categories | Large Language Models (LLMs), AI API, AI Models, AI Agent | AI API, AI Image Generator, AI Video Generator, AI Audio Editing |
| Pricing Model | Freemium | Paid |
| Monthly Visits | 5,700,686 | 19,717 |
| MoM Growth Rate | -17% | +27.5% |
| Primary Market | China | United States |
| Direct Visits | 4,230,503 | 8,864 |
| Review Score | 4.6 | 4.2 |
| Saved Count | 0 | 0 |
| Supported Platforms | Website | Website |

## BigModel

BigModel is Zhipu AI's developer-facing platform, offering API access to the company's GLM series of large language models and a broad set of multimodal capabilities. Instead of juggling separate vendors, teams can call text generation, vision-language understanding, OCR, speech recognition, speech synthesis, image generation, and video generation endpoints from one account and one set of credentials.

Beyond raw model access, the platform targets application builders. It includes an agent framework, MCP service support, knowledge-base tooling for retrieval-augmented generation, model fine-tuning workflows, and a model playground for quick testing in the browser. There are also adjacent offerings such as an AI coding assistant and visual/low-code building experiences aimed at teams that want to ship without heavy ML engineering.

For organizations with stricter requirements, BigModel supports private instance deployment and on-premise options, alongside token-based pay-as-you-go and enterprise contracts. This makes it a fit for both individual developers prototyping on a budget and enterprises that need data to stay inside their own infrastructure.

**Pricing & Plans:** BigModel follows a freemium, token-based model: new users typically receive free trial credits, then pay-as-you-go for API usage by tokens consumed. Larger volumes, private instance deployment, and on-premise installations are arranged through contact-for-pricing enterprise agreements. Always confirm current rates on the official pricing page.

- **GLM text and multimodal APIs:** Unified access to GLM large language models plus vision, OCR, speech, image, and video endpoints through one account.
- **Agent and MCP support:** Build tool-using agents and expose or consume MCP services to connect models to external systems.
- **Knowledge base and RAG tooling:** Create managed knowledge bases and retrieval pipelines so models can answer with your own documents.
- **Fine-tuning and playground:** Tune models on your data and prototype prompts interactively in the browser before shipping.
- **Private and on-premise deployment:** Run models in a private instance or on your own hardware for data-residency and compliance needs.

**Strengths:** Broad model coverage, from LLMs to vision, speech, and video, under one platform; Officially backs the GLM family, so model documentation and updates are first-party; Supports private and on-premise deployment for strict data requirements; Includes agent, knowledge-base, and fine-tuning tooling beyond raw API access

**Limitations:** Pricing and documentation are primarily Chinese-first, which can slow English-only teams; Some enterprise capabilities require sales contact rather than transparent self-serve pricing; Token costs can grow quickly for high-volume multimodal workloads

[Profile (Markdown)](https://openaitools.app/tool/bigmodel.md)

## HiAPI

HiAPI positions itself as one API for AI image, video, and audio generation. Rather than stitching together a separate SDK, billing relationship, and request format for each model vendor, teams send one request shape to the same endpoint and get a task ID back. From there they can poll for status or register a callback that fires when the job finishes, and the result payload contains artifact links that stay available over time.

The platform is designer and developer friendly in how it handles both modalities and agents. Featured models span image, video, and audio, with examples such as Kling and Wan for video, Nano Banana and GPT Image for images, and music and voice options for audio. Text models are served through official protocols, so existing OpenAI, Anthropic, or Google client code often works with minimal changes. HiAPI also publishes MCP tools, Agent Skills, and an llms.txt file so autonomous agents and coding assistants can wire themselves up.

Pricing is transparent and credit-based. Each model page lists its rate up front, so teams can estimate cost before integrating, and routing options such as default, beta, or extension routes let you compare cost and availability. A free sign-up credit allotment lets you test the workflow, and volume-based rates are available for larger consumers.

**Pricing & Plans:** Paid, credit-based usage. Every model lists its price up front on the Models and Pricing pages, with transparent per-unit rates and volume discounts available. New users can sign up to receive a starter credit allotment (currently promoted as 200 credits) to test the API.

- **Unified API across modalities:** One endpoint and one request schema across every supported image, video, and audio model, so you integrate once and switch models through a single parameter.
- **Persistent artifact storage:** Generated outputs come back as durable links that stay available, removing the need to build and maintain your own storage pipeline.
- **Native provider protocols:** Models are exposed through official protocols including OpenAI Chat Completions, OpenAI Responses, Anthropic Messages, and Google Interactions.
- **Agent-ready integrations:** Built-in MCP tools, reusable Agent Skills, and an llms.txt index let coding agents and assistants discover and call HiAPI on their own.
- **Async task lifecycle with callbacks:** Create a task, poll its status or receive a final-state callback, and retrieve outputs through a single predictable lifecycle.

**Strengths:** One unified endpoint and schema for image, video, and audio models; Persistent artifact links remove the need to build your own storage; Agent-friendly with MCP, Agent Skills, and llms.txt; Native OpenAI, Anthropic, and Google protocols for text models

**Limitations:** Pricing is credit-based and usage can scale quickly with video or high-volume workflows; As a gateway, output quality depends on the underlying third-party models rather than HiAPI itself; Requires developer comfort with API keys, callbacks, and asynchronous task handling; No full no-code studio; it is aimed at builders and agent integrations

[Profile (Markdown)](https://openaitools.app/tool/hiapi.md)

## Frequently Asked Questions

### How do BigModel and HiAPI compare in monthly traffic?

BigModel has 5,700,686 monthly visits, while HiAPI has 19,717. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

BigModel has a month-over-month growth rate of -17%; HiAPI has +27.5%.

### How does pricing compare?

BigModel: Freemium. BigModel follows a freemium, token-based model: new users typically receive free trial credits, then pay-as-you-go for API usage by tokens consumed. Larger volumes, private instance deployment, and on-premise installations are arranged through contact-for-pricing enterprise agreements. Always confirm current rates on the official pricing page. HiAPI: Paid. Paid, credit-based usage. Every model lists its price up front on the Models and Pricing pages, with transparent per-unit rates and volume discounts available. New users can sign up to receive a starter credit allotment (currently promoted as 200 credits) to test the API.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [DeepSeek](https://openaitools.app/tool/deepseek) | 372,761,591 | +4.3% | Freemium | Delivers exceptional open-weight reasoning performance at very low cost, but lacks BigModel's broad enterprise multi-modal agent building suite. | [.md](https://openaitools.app/tool/deepseek.md) |
| 2 | [OpenAI Platform](https://openaitools.app/tool/openai) | 234,678,639 | -9.6% | Paid | Enterprise developer platform and API for deploying GPT-6 Astra, Sol, Luna, and realtime multimodal agents. | [.md](https://openaitools.app/tool/openai.md) |
| 3 | [Google AI Studio](https://openaitools.app/tool/google-ai-studio) | 112,620,020 | +2% | Freemium | Offers massive context windows and robust multimodal Gemini APIs, but differs in model architecture and regional enterprise tooling. | [.md](https://openaitools.app/tool/google-ai-studio.md) |
| 4 | [OpenRouter](https://openaitools.app/tool/openrouter-ai) | 19,941,437 | -6.2% | Paid | One API key for hundreds of AI models from every major provider | [.md](https://openaitools.app/tool/openrouter-ai.md) |
| 5 | [fal.ai](https://openaitools.app/tool/fal-ai) | 3,093,684 | -3.7% | Paid, pay-as-you-go usage-based pricing | One API for 1,500+ production-ready generative media models | [.md](https://openaitools.app/tool/fal-ai.md) |
| 6 | [Kie.ai](https://openaitools.app/tool/kie-ai-affordable-secure-deepseek-r1-api) | 2,275,553 | -22.4% | Pay-as-you-go | One API key for video, image, music, and chat models | [.md](https://openaitools.app/tool/kie-ai-affordable-secure-deepseek-r1-api.md) |
| 7 | [Together AI](https://openaitools.app/tool/together-ai) | 1,645,930 | +64.9% | Freemium, Paid | Specializes in serverless open-source model hosting and dedicated GPU clusters, but provides less native proprietary GLM model integration. | [.md](https://openaitools.app/tool/together-ai.md) |
| 8 | [Replicate AI](https://openaitools.app/tool/replicate-ai) | 904,038 | -8.4% | Paid | Run, fine-tune, and deploy machine learning models with one line of code | [.md](https://openaitools.app/tool/replicate-ai.md) |
| 9 | [Atlas Cloud](https://openaitools.app/tool/atlas-cloud) | 777,031 | -16.4% | Paid | One OpenAI-compatible API for 500+ image, video, audio, and LLM models | [.md](https://openaitools.app/tool/atlas-cloud.md) |
| 10 | [Fireworks](https://openaitools.app/tool/fireworks-ai) | 659,687 | +6% | Contact for Pricing | Delivers ultra-fast inference speeds for open-weight models, but focuses less on proprietary enterprise agent building toolkits than BigModel. | [.md](https://openaitools.app/tool/fireworks-ai.md) |

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Source: https://openaitools.app/compare/bigmodel-vs-hiapi

More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)