Head to head

Z.ai GLM vs DeepSeek

Z.ai GLM (Zhipu AI) and DeepSeek (DeepSeek) both sit in Writing. DeepSeek is the cheaper entry point at Pay-as-you-go API pricing (not fully detailed in text). Free tier or flat-rate seats not specified.. DeepSeek shipped more tracked changes in the last 30 days (11 vs 7). Every value below comes from the latest crawl of the vendors' own pages.

AttributeZ.ai GLM

Zhipu AI

DeepSeek

DeepSeek

SegmentWritingWriting
VersionGLM-5.3DeepSeek-V4.1-Flash-1017
Entry costfrom $18/moPay-as-you-go API pricing (not fully detailed in text). Free tier or flat-rate seats not specified.
Pricing tiersCoding Plan $18Pay-as-you-go API free
Model stackCogVideoX-3 · CogView-4 · glm-4-32b-0414-128k · GLM-4.5 · GLM-4.6 · GLM-4.6V · GLM-4.7 · GLM-5 · GLM-5-Turbo · GLM-5.1 · GLM-5.2 · GLM-5.3 · GLM-5.3-Flash · GLM-5.3-FlashX · GLM-5V-Turbo · GLM-ASR-2512 · GLM-Image · GLM-OCRdeepseek-flash · DeepSeek-R1 · DeepSeek-V3.2 · deepseek-v4-flash · DeepSeek-V4-Flash-0731 · DeepSeek-V4-Flash-Vision-Exp · DeepSeek-V4-Pro · DeepSeek-V4-Pro-0813 · DeepSeek-V4.1-Flash · DeepSeek-V4.1-Flash-1017
Context window10000001000000
Public API
Routes models
Changes / 30d711
OriginChinaChina
CapabilitiesCoding plan, Agentic tool use, Vision, Open weights, Artifacts, Thinking Mode, Deep Thinking, Function CallingReasoning mode, Open weights (MIT), OpenAI-compatible API, Context caching, Function calling, Thinking Mode, Context Caching, JSON Output

Z.ai GLM

Zhipu AI (Z.ai) ships the GLM family as both a hosted assistant and permissively licensed weights.

Full Z.ai GLM record →

DeepSeek

Hangzhou lab whose V and R series models are released under permissive licences and undercut Western API pricing by an order of magnitude.

Full DeepSeek record →
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