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  1. Home
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DeepSeek V4.1 Flash vs GLM 5.3 FlashX

Compare DeepSeek V4.1 Flash from DeepSeek and GLM 5.3 FlashX from Z.ai 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 deepseek
DeepSeek V4.1 Flash
Favicon for z-ai
GLM 5.3 FlashX
Favicon for deepseek
DeepSeek V4.1 Flash
Favicon for z-ai
GLM 5.3 FlashX

Overview

DeepSeek V4.1 Flash
Author
DeepSeek
GLM 5.3 FlashX
Author
Z.ai
DeepSeek V4.1 Flash
Context length
1.05Mtokens
GLM 5.3 FlashX
Context length
1.05Mtokens
DeepSeek V4.1 Flash
Reasoning
GLM 5.3 FlashX
Reasoning
DeepSeek V4.1 Flash
Input modalities
GLM 5.3 FlashX
Input modalities
DeepSeek V4.1 Flash
Output modalities
GLM 5.3 FlashX
Output modalities

DeepSeek V4.1 Flash vs GLM 5.3 FlashX: side-by-side summary

DeepSeek V4.1 Flash and GLM 5.3 FlashX are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

DeepSeek V4.1 Flash, from DeepSeek, has a 1,048,576-token context window and is priced at $0.135/M tokens input, $0.54/M tokens output on OpenRouter.

GLM 5.3 FlashX, from Z.ai, has a 1,048,576-token context window and is priced at $0.37/M tokens input, $1.25/M tokens output on OpenRouter.

Context window
  • DeepSeek V4.1 Flash: 1,048,576 tokens
  • GLM 5.3 FlashX: 1,048,576 tokens
Price
  • DeepSeek V4.1 Flash: $0.135/M tokens input, $0.54/M tokens output
  • GLM 5.3 FlashX: $0.37/M tokens input, $1.25/M tokens output
Provided by
  • DeepSeek V4.1 Flash: DeepSeek
  • GLM 5.3 FlashX: Z.ai
  • DeepSeek V4.1 Flash model details, providers and pricing
  • GLM 5.3 FlashX model details, providers and pricing