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  1. Home
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  3. Compare

GLM 5.3 Flash vs DeepSeek V4 Flash 0731

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.

Favicon for z-ai
GLM 5.3 Flash
Favicon for deepseek
DeepSeek V4 Flash 0731
Favicon for z-ai
GLM 5.3 Flash
Favicon for deepseek
DeepSeek V4 Flash 0731

Overview

GLM 5.3 Flash
Author
Z.ai
DeepSeek V4 Flash 0731
Author
DeepSeek
GLM 5.3 Flash
Context length
1.31Mtokens
DeepSeek V4 Flash 0731
Context length
1.31Mtokens
GLM 5.3 Flash
Reasoning
DeepSeek V4 Flash 0731
Reasoning
GLM 5.3 Flash
Input modalities
DeepSeek V4 Flash 0731
Input modalities
GLM 5.3 Flash
Output modalities
DeepSeek V4 Flash 0731
Output modalities

GLM 5.3 Flash vs DeepSeek V4 Flash 0731: side-by-side summary

GLM 5.3 Flash and DeepSeek V4 Flash 0731 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

GLM 5.3 Flash, from Z.ai, has a 1,310,720-token context window and is priced at $0.075/M tokens input, $0.25/M tokens output on OpenRouter.

DeepSeek V4 Flash 0731, from DeepSeek, has a 1,310,720-token context window and is priced at $0.038/M tokens input, $0.55/M tokens output on OpenRouter.

Context window
  • GLM 5.3 Flash: 1,310,720 tokens
  • DeepSeek V4 Flash 0731: 1,310,720 tokens
Price
  • GLM 5.3 Flash: $0.075/M tokens input, $0.25/M tokens output
  • DeepSeek V4 Flash 0731: $0.038/M tokens input, $0.55/M tokens output
Provided by
  • GLM 5.3 Flash: Z.ai
  • DeepSeek V4 Flash 0731: DeepSeek
  • model details, providers and pricing
GLM 5.3 Flash
model details, providers and pricing
DeepSeek V4 Flash 0731