Provider - 13 models
Z.ai API models
The registry lists 13 Z.ai models with first-party API prices, context windows and release dates. The newest is GLM-5.3-Flash, released August 26, 2026. GLM-4-32B-0414-128K has the lowest output price at $0.10 per 1M tokens ($0.10 input). The largest context window is 1,000,000 tokens, on GLM-5.2, GLM-5.3, GLM-5.3-Flash and 1 other. 11 of the 13 publish open weights.
Last verified . Sources
- Models
- 13
- Lowest output / 1M
- $0.10
- Largest context
- 1M
- Open weights
- 11 of 13
Every Z.ai model
| Model | API model id | Input / 1M | Output / 1M | Context | Max output | Released | Open weights |
|---|---|---|---|---|---|---|---|
| GLM-5.3-Flash | glm-5.3-flash | $0.15 | $0.50 | 1M | 128K | Yes | |
| GLM-5.3 | glm-5.3 | $1.40 | $4.40 | 1M | 128K | Yes | |
| GLM-5.2 | glm-5.2 | $1.40 | $4.40 | 1M | 128K | Yes | |
| GLM-5.1 | glm-5.1 | $1.40 | $4.40 | 200K | 128K | Yes | |
| GLM-5 | glm-5 | $1 | $3.20 | 200K | 128K | Yes | |
| GLM-4.7 | glm-4.7 | $0.60 | $2.20 | 200K | 128K | Yes | |
| GLM-4.6V | glm-4.6v | $0.30 | $0.90 | 128K | - | Yes | |
| GLM-4.6 | glm-4.6 | $0.60 | $2.20 | 200K | 128K | Yes | |
| GLM-4.5 | glm-4.5 | $0.60 | $2.20 | 128K | 96K | Yes | |
| GLM-4.5-Air | glm-4.5-air | $0.20 | $1.10 | 128K | 96K | Yes | |
| GLM-4-32B-0414-128K | glm-4-32b-0414-128k | $0.10 | $0.10 | 128K | 16K | - | Yes |
| GLM-4.7-FlashX | glm-4.7-flashx | $0.07 | $0.40 | 200K | 128K | - | No |
| GLM-5.3-FlashX | glm-5.3-flashx | $0.37 | $1.25 | 1M | 128K | - | No |
Prices in USD per 1M tokens at the standard rate, newest release first. A dash means no primary page states that fact. Open a model for cache, batch and long-context rates.
Capabilities
| Model | Tool calling | Structured outputs | Image input | Audio input | Prompt caching | Batch API | Reasoning |
|---|---|---|---|---|---|---|---|
| GLM-5.3-Flash | Yes | No | Yes | No | Yes | Not stated | Yes |
| GLM-5.3 | Yes | No | No | No | Yes | Not stated | Yes |
| GLM-5.2 | Yes | No | No | No | Yes | Not stated | Yes |
| GLM-5.1 | Yes | No | No | No | Yes | Not stated | Yes |
| GLM-5 | Yes | No | No | No | Yes | Not stated | Yes |
| GLM-4.7 | Yes | No | No | No | Yes | Not stated | Yes |
| GLM-4.6V | Yes | No | Yes | No | Yes | Not stated | Yes |
| GLM-4.6 | Yes | No | No | No | Yes | Not stated | Yes |
| GLM-4.5 | Yes | No | No | No | Yes | Not stated | Yes |
| GLM-4.5-Air | Yes | No | No | No | Yes | Not stated | Yes |
| GLM-4-32B-0414-128K | Yes | No | No | No | Not stated | Not stated | Not stated |
| GLM-4.7-FlashX | Yes | No | No | No | Yes | Not stated | Yes |
| GLM-5.3-FlashX | Yes | No | Yes | No | Yes | Not stated | Yes |
From each model's API docs; open a model for the source behind every answer. Not stated means the provider's docs do not say either way. It is not the same as No. Compare every provider.
Limits and benchmarks
Benchmarks
Z.ai models appear on 7 sourced leaderboards.
- DeepSWE, NL2Repo and ProgramBench3 models
- AIME2 models
- SWE-bench (Verified and Pro)2 models
- tau-bench and tau2-bench2 models
- Terminal-Bench2 models
- GPQA Diamond1 model
- LMArena1 model
Compare
Side-by-side pages with both models' prices, specs, cost examples and like-for-like benchmark rows.
- GLM-5.1 vs GLM-5.2Same provider, successor
- GLM-5.2 vs GLM-5.3Same provider, successor
- Claude Haiku 5.5 vs GLM-5.3-FlashSimilar price, same tier
- DeepSeek V4.1 Flash vs GLM-5.3-FlashSimilar price, same tier
- DeepSeek V4 Pro vs GLM-5.3Similar price, same tier
- Gemini 3.5 Flash-Lite vs GLM-5.3-FlashSimilar price, same tier
- Gemini 3.8 Flash vs GLM-5.3Similar price, same tier
- GLM-5.3-Flash vs GPT-6 LunaSimilar price, same tier
- GLM-5.3-Flash vs MiniMax-M3Similar price, same tier
- GLM-5.3-Flash vs Mistral Small 4Similar price, same tier
- GLM-5.3-Flash vs Qwen3.8-FlashSimilar price, same tier
- GLM-5.3 vs GPT-5.4 MiniSimilar price, same tier
- GLM-5.3 vs Grok Build 0.1Similar price, same tier
- GLM-5.3 vs Kimi K2.7 CodeSimilar price, same tier
- GLM-5.3 vs Mistral Large 4Similar price, same tier
- GLM-5.3 vs Mistral Medium 3.5Similar price, same tier
- Claude Opus 5.5 vs GLM-5.3Open weights vs closed
- Claude Sonnet 5.5 vs GLM-5.3Open weights vs closed
- Gemini 4 Argon vs GLM-5.3Open weights vs closed
- GLM-5.3 vs GPT-6.1 SolOpen weights vs closed
FAQ
What is the cheapest Z.ai model?
By output price, GLM-4-32B-0414-128K is the cheapest Z.ai model in the registry at $0.10 per 1M output tokens and $0.10 per 1M input tokens, per docs.z.ai on October 17, 2026.
Which Z.ai model has the largest context window?
4 Z.ai models share the largest context window in the registry, 1,000,000 tokens: GLM-5.2, GLM-5.3, GLM-5.3-Flash and GLM-5.3-FlashX.
What is the newest Z.ai model?
GLM-5.3-Flash is the most recent Z.ai release in the registry, released on August 26, 2026. 3 of the 13 Z.ai models have no primary-sourced release date, so they are not counted.
Which Z.ai models have open weights?
11 of the 13 Z.ai models in the registry publish open weights: GLM-5.3-Flash, GLM-5.3, GLM-5.2, GLM-5.1, GLM-5, GLM-4.7 and 5 others.
Sources
Prices last verified from docs.z.ai.
Further primary sources (27)
- https://docs.z.ai/guides/vlm/glm-5.3-flash
- https://docs.z.ai/guides/overview/overview
- https://docs.z.ai/release-notes/new-released
- https://docs.z.ai/openapi.json
- https://huggingface.co/zai-org/GLM-5.3-Flash
- https://ai-gateway.vercel.sh/v1/models
- https://docs.z.ai/guides/llm/glm-5.3
- https://huggingface.co/zai-org/GLM-5.3
- https://docs.z.ai/guides/llm/glm-5.2
- https://huggingface.co/zai-org/GLM-5.2
- https://docs.z.ai/guides/llm/glm-5.1
- https://huggingface.co/zai-org/GLM-5.1
- https://docs.z.ai/guides/llm/glm-5
- https://huggingface.co/zai-org/GLM-5
- https://docs.z.ai/guides/llm/glm-4.7
- https://huggingface.co/zai-org/GLM-4.7
- https://docs.z.ai/guides/vlm/glm-4.6v
- https://z.ai/blog/glm-4.6v
- https://huggingface.co/zai-org/GLM-4.6V
- https://docs.z.ai/guides/llm/glm-4.6
- https://huggingface.co/zai-org/GLM-4.6
- https://docs.z.ai/guides/llm/glm-4.5
- https://z.ai/blog/glm-4.5
- https://huggingface.co/zai-org/GLM-4.5
- https://huggingface.co/zai-org/GLM-4.5-Air
- https://docs.z.ai/guides/llm/glm-4-32b-0414-128k
- https://huggingface.co/zai-org/GLM-4-32B-0414
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