DeepSeek Reasoner (R1) vs GLM-4-Air

Performance benchmarks + pricing comparison — updated April 2026

DeepSeek Reasoner (R1)

DeepSeek

DeepSeek's reasoning model. Comparable to OpenAI's o1 but at much lower cost.

Input$0.550/M
Output$2.19/M
Context128K tokens
Best ForComplex reasoning, math, advanced coding
Benchmark72/100

GLM-4-Air

Zhipu AI

Zhipu AI's mid-tier model. Good balance of cost and performance for Chinese-language applications.

Input$0.140/M
Output$0.140/M
Context128K tokens
Best ForChinese-language applications, general AI tasks

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioDeepSeek Reasoner (R1)GLM-4-AirSavings
Small Script (1K lines) $0.08 <$0.01 GLM-4-Air saves $0.08 (89%)
Medium Feature (10K lines) $0.63 $0.08 GLM-4-Air saves $0.55 (88%)
Large Project (50K lines) $3.15 $0.39 GLM-4-Air saves $2.77 (88%)
Code Review (5K lines) $0.15 $0.03 GLM-4-Air saves $0.12 (81%)

Verdict

GLM-4-Air wins on both price and performance — $0.140/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models