DeepSeek V4 Pro vs GLM 5.2
DeepSeek against Z.ai's GLM, both open-weight lines with strong coding results.
What the numbers say
- DeepSeek V4 Pro is about 2.0x cheaper on output tokens (9.6 vs 19.4 credits per 1M).
- Both take the same 1.0M-token context window.
- GLM 5.2 is the newer release (June 2026 vs April 2026).
Derived from the live registry Zeplik routes and bills against. Credits: 1 credit = $0.10, raw provider rate with a 1.10x margin.
Side by side
DeepSeek V4 Pro
DeepSeek
DeepSeek V4 Pro is a large-scale Mixture-of-Experts model from DeepSeek with 1.6T total parameters and 49B activated parameters, supporting a 1M-token context window. It is designed for advanced reasoning, coding,...
- Provider
- DeepSeek
- Context window
- 1.0M tokens
- Input price
- 4.8 credits / 1M tokens ($0.43 raw)
- Output price
- 9.6 credits / 1M tokens ($0.87 raw)
- Vision (image input)
- No
- Tool calling
- Yes
- Extended reasoning
- No
Best for
- Everyday chat and drafting on an open-weight model with transparent lineage
- Very long documents and codebases: a 1.0M-token window fits entire books or repositories in one conversation
- Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows
GLM 5.2
Z.ai
GLM 5.2 is a large-scale reasoning model from Z.ai. It supports text input and output with a 1M-token context window, and is suited for long-horizon agent workflows, project-level software engineering,...
- Provider
- Z.ai
- Context window
- 1.0M tokens
- Input price
- 5.9 credits / 1M tokens ($0.54 raw)
- Output price
- 19.4 credits / 1M tokens ($1.76 raw)
- Vision (image input)
- No
- Tool calling
- Yes
- Extended reasoning
- No
Best for
- Everyday chat and drafting on an open-weight model with transparent lineage
- Very long documents and codebases: a 1.0M-token window fits entire books or repositories in one conversation
- Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows
Try both on Zeplik
The honest answer to most model debates is to run your own prompt on both. Zeplik puts DeepSeek V4 Pro and GLM 5.2 in the same chat, so you can switch mid-conversation and compare answers on the work you actually do.