Compare GLM 5.3 Flash from Z.ai and DeepSeek V4 Flash 0731 from DeepSeek on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
| Attribute | GLM 5.3 Flash | DeepSeek V4 Flash 0731 |
|---|---|---|
| Input price | $0.0335/M tokens | $0.0434/M tokens |
| Output price | $0.083/M tokens | $0.30/M tokens |
| Context window | 1,048,576 tokens | 1,048,576 tokens |
| Intelligence Index | 27.8 | Not available |
| Coding Index | 71.5 | 69.1 |
| Agentic Index | 50.9 | 41.0 |
| Latency (p50) | 0.94 s | 0.38 s |
| Throughput (p50) | 66.0 tok/s | 138.0 tok/s |
| Provided by | Z.ai | DeepSeek |
| Model page | GLM 5.3 Flash model details, providers and pricing | DeepSeek V4 Flash 0731 model details, providers and pricing |
Benchmark data updated
GLM 5.3 Flash is cheaper than DeepSeek V4 Flash 0731 on OpenRouter: GLM 5.3 Flash costs $0.0335/M tokens input and $0.083/M tokens output, while DeepSeek V4 Flash 0731 costs $0.0434/M tokens input and $0.30/M tokens output.
GLM 5.3 Flash and DeepSeek V4 Flash 0731 have the same context window of 1,048,576 tokens.
DeepSeek V4 Flash 0731 is faster on OpenRouter, generating a median 138.0 tokens per second compared with 66.0 tokens per second for GLM 5.3 Flash.
GLM 5.3 Flash scores higher on coding, with an Artificial Analysis Coding Index of 71.5 compared with 69.1 for DeepSeek V4 Flash 0731.