Reka Flash vs GLM-4-Air

Performance benchmarks + pricing comparison — updated April 2026

Reka Flash

Reka

Reka's fast multimodal model. Compact and efficient for high-volume tasks with vision capability.

Input$0.200/M
Output$0.800/M
Context128K tokens
Best ForHigh-volume tasks, vision + text, cost optimization
Benchmark40/100

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.

ScenarioReka FlashGLM-4-AirSavings
Small Script (1K lines) $0.03 <$0.01 GLM-4-Air saves $0.02 (71%)
Medium Feature (10K lines) $0.23 $0.08 GLM-4-Air saves $0.15 (67%)
Large Project (50K lines) $1.15 $0.39 GLM-4-Air saves $0.77 (67%)
Code Review (5K lines) $0.06 $0.03 GLM-4-Air saves $0.03 (49%)

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.

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