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DeepSeek

DeepSeek V4 Flash

VS
Z.ai (Zhipu AI)

GLM-5

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026

Decision Recommendation

⚖️ Editorial Verdict: In our analysis, DeepSeek V4 Flash is the premium intelligence choice, scoring 49.1% higher on coding benchmarks. It also maintains strong cost efficiency. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, GLM-5 offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of DeepSeek V4 Flash fully justifies the cost.

Model Specs

DeepSeek V4 Flash

Benchmarks & Scores

Coding (swe-bench-pro)Winner (+)
49.1%
Reasoning (gpqa-diamond)
80%

Cost & Performance

Cost (per 1M tokens)8.9x cheaper
$0.17Input: $0.14 | Output: $0.28
Speed
109.1 tps
Context WindowLarger
1M tokens
Model Specs

GLM-5

Benchmarks & Scores

Coding (swe-bench-pro)
N/A
Reasoning (gpqa-diamond)Winner (+6.0%)
86%

Cost & Performance

Cost (per 1M tokens)
$1.55Input: $1.00 | Output: $3.20
Speed
N/A
Context Window
204.8k tokens
Read our data collection methodology

Frequently Asked Questions

DeepSeek V4 Flash is cheaper than GLM-5. DeepSeek V4 Flash has a blended cost of $0.17/1M tokens, which is about 8.9x cheaper than GLM-5 at $1.55/1M tokens.

Speed data is not available for GLM-5, while DeepSeek V4 Flash generates 109.1 tokens per second.

DeepSeek V4 Flash is better for coding tasks. It scores 49.1% on coding evaluations (swe-bench-pro) compared to GLM-5 which scores N/A.

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