> ## Documentation Index > Fetch the complete documentation index at: https://docs.z.ai/llms.txt > Use this file to discover all available pages before exploring further. # Overview Z.AI offers a variety of models and agents to meet the needs of different scenarios. Choosing the right model can help you complete tasks more efficiently. ## Latest Models **Flagship Model** * Open-source SOTA coding capabilities, emerging cybersecurity capabilities. **Native Multimodal Model** * Matching Claude Opus 4.8 in intelligence score at just 1/40 the price. ## Featured Models The following are Z.ai’s core models, covering a comprehensive range of use cases, including text generation, multimodal understanding, OCR, speech recognition, speech synthesis, and vector retrieval. | Model | Strength | Language | Context | Resource | | :------------ | :---------------------------------------------------------------------------------------------------------------------- | :---------------- | :------ | :-------------------------------------------------------------------------------------------------------- | | GLM-5.3-Flash | Delivering frontier intelligence at radically lower cost | English & Chinese | 1M | [Guide](/guides/vlm/glm-5.3-flash)

[API Reference](/api-reference/llm/chat-completion) | | GLM-5.3 | Claude Fable 5-level coding and agent capabilities
Stronger in long-horizon, complex tasks | English & Chinese | 1M | [Guide](/guides/llm/glm-5.3)

[API Reference](/api-reference/llm/chat-completion) | | GLM-5.2 | Open-source SOTA coding, from generation to delivery | English & Chinese | 1M | [Guide](/guides/llm/glm-5.2)

[API Reference](/api-reference/llm/chat-completion) | | GLM-OCR | Document Parsing
Information Extraction | Multiple | / | [Guide](/guides/vlm/glm-ocr)

[API Reference](/api-reference/tools/layout-parsing) | | GLM-ASR-2512 | CER as low as 0.0717
- Support user-defined vocabularies
- Support multiple mainstream languages and dialects | English & Chinese | / | [Guide](/guides/audio/glm-asr-2512)

[API Reference](/api-reference/audio/audio-transcriptions) | If you need to get pricing information, please go directly to [Pricing](/guides/overview/pricing). To help you find the best fit for your use case, we've created a table outlining the core features and strengths of each model in the Z.AI family. ### Text Models Our model matrix includes text models with built-in reasoning capabilities, as well as vision-language models (VLMs) that extend the same reasoning power to multimodal understanding. | Model | Strength | Language | Context | Resource | | :------------------ | :------------------------------------------------------------------------------------------------------------------------------ | :---------------- | :------ | :------------------------------------------------------------------------------------------------------ | | GLM-5.1 | Coding proficiency aligned with Opus 4.6
Ability to work independently and consistently for up to 8 hours on a single task | English & Chinese | 200K | [Guide](/guides/llm/glm-5.1)

[API Reference](/api-reference/llm/chat-completion) | | GLM-5 | Agentic Long-Term Planning and Execution
Backend refactoring and in-depth debugging | English & Chinese | 200K | [Guide](/guides/llm/glm-5)

[API Reference](/api-reference/llm/chat-completion) | | GLM-4.7 | SOTA Performance
Optimized Agentic Coding | English & Chinese | 200K | [Guide](/guides/llm/glm-4.7)

[API Reference](/api-reference/llm/chat-completion) | | GLM-4.7-FlashX | Optimized Agentic Coding
Lightweight & High-Speed | English & Chinese | 200K | [Guide](/guides/llm/glm-4.7)

[API Reference](/api-reference/llm/chat-completion) | | GLM-4.6 | Strong Coding
More Versatile | English & Chinese | 200K | [Guide](/guides/llm/glm-4.6)

[API Reference](/api-reference/llm/chat-completion) | | GLM-4.5 | Strong Reasoning
More Versatile | English & Chinese | 128K | [Guide](/guides/llm/glm-4.5)

[API Reference](/api-reference/llm/chat-completion) | | GLM-4.5-X | Good Performance
Ultra-Fast Response | English & Chinese | 128K | [Guide](/guides/llm/glm-4.5)

[API Reference](/api-reference/llm/chat-completion) | | GLM-4.5-Air | Cost-Effective
High Performance | English & Chinese | 128K | [Guide](/guides/llm/glm-4.5)

[API Reference](/api-reference/llm/chat-completion) | | GLM-4.5-AirX | Lightweight
Ultra-Fast Response | English & Chinese | 128K | [Guide](/guides/llm/glm-4.5)

[API Reference](/api-reference/llm/chat-completion) | | GLM-4-32B-0414-128K | High intelligence at
unmatched cost-efficiency | English & Chinese | 128K | [Guide](/guides/llm/glm-4-32b-0414-128k)

[API Reference](/api-reference/llm/chat-completion) | | GLM-4.7-Flash | Free, Lightweight | English & Chinese | 200K | [Guide](/guides/llm/glm-4.7)

[API Reference](/api-reference/llm/chat-completion) | | GLM-4.5-Flash | Free, Lightweight | English & Chinese | 200K | [Guide](/guides/llm/glm-4.5)

[API Reference](/api-reference/llm/chat-completion) | ### Vision Models Visual models process images or videos for recognition and analysis. | Model | Strength | Language | Context | Resource | | :------------------------- | :------------------------------------------------------------- | :---------------- | :------ | :-------------------------------------------------------------------------------------------------------------------------- | | AutoGLM-Phone-Multilingual | Phone Agent
Automated Mobile Task Execution | English & Chinese | / | [Guide](/guides/vlm/autoglm-phone-multilingual)

[API Reference](/api-reference/llm/chat-completion#vision-model) | | GLM-4.6V | Native Function Call Support
Thinking Mode Switch Support | English & Chinese | 128K | [Guide](/guides/vlm/glm-4.6v)

[API Reference](/api-reference/llm/chat-completion) | | GLM-4.6V-FlashX | Lightweight & High-Speed | English & Chinese | 128K | [Guide](/guides/vlm/glm-4.6v)

[API Reference](/api-reference/llm/chat-completion) | | GLM-4.5V | Multimodal
Flexible Reasoning | English & Chinese | 64K | [Guide](/guides/vlm/glm-4.5v)

[API Reference](/api-reference/llm/chat-completion) | | GLM-4.6V-Flash | Free, Native Function Call Support | English & Chinese | 128K | [Guide](/guides/vlm/glm-4.6v)

[API Reference](/api-reference/llm/chat-completion) | ### Built-in Tools A suite of built-in tools designed to streamline workflows and boost productivity. | Tool | Capability | | :--------- | :------------------------------------------------------------------------------------------------------------------------ | | Web Search | Provide real-time, concise, direct answers
Accurately parse complex HTML and converts it into clean Markdown or JSON | ### Image Generation Models Image Generation Models learn from massive image data to automatically generate high-quality images from text. | Model | Strength | Language | Resolution | Resource | | :-------- | :---------------------------------------------------------------------------------------------------------- | :---------------- | :------------------- | :----------------------------------------------------------------------------------------------- | | GLM-Image | Stronger in complex instruction and knowledge-intensive scenarios
- Open-source SOTA in text rendering | English & Chinese | multiple resolutions | [Guide](/guides/image/glm-image)

[API Reference](/api-reference/image/generate-image) | | CogView-4 | High-quality image generation
Rich in detail | English & Chinese | multiple resolutions | [Guide](/guides/image/cogview-4)

[API Reference](/api-reference/image/generate-image) | ### Video Generation Models Video Generation Models turn text, images, or clips into dynamic video content, accelerating creativity for film, virtual avatars, animation, and marketing. | Model | Strength | Language | Resolution | Resource | | :---------- | :------------------------------------------------------------------------------------ | :---------------- | :------------------- | :------------------------------------------------------------------------------------------------- | | CogVideoX-3 | Significant improvements in image quality, stability, and physical realism simulation | English & Chinese | multiple resolutions | [Guide](/guides/video/cogvideox-3)

[API Reference](/api-reference/video/generate-video) | ### Agents A set of ready-made agents empower users to create and communicate effortlessly. | Tool | Capability | Resource | | :-------------------------------------- | :------------------------------------------------------------------------- | :---------------------------- | | GLM Slide/Poster Agent(beta) | Combine content generation with professional design | [Guide](/guides/agents/slide) | | General-Purpose Translation | Support 40+ languages, flexible strategies, and terminology customization | [Guide](/guides/agents/slide) | | Popular Special Effects Video Templates | Special effects video templates like French\_Kiss, BodyShake, and Sexy\_Me | [Guide](/guides/agents/slide) |