DeepSeek V4 Pro 0813 vs GLM 5.3: side-by-side summary

DeepSeek V4 Pro 0813 and GLM 5.3 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

DeepSeek V4 Pro 0813, from DeepSeek, has a 1,048,576-token context window and is priced at $0.66/M tokens input, $1.98/M tokens output on OpenRouter.

GLM 5.3, from Z.ai, has a 1,048,576-token context window and is priced at $1.40/M tokens input, $4.40/M tokens output on OpenRouter.

Context window

• DeepSeek V4 Pro 0813: 1,048,576 tokens
• GLM 5.3: 1,048,576 tokens

Price

• DeepSeek V4 Pro 0813: $0.66/M tokens input, $1.98/M tokens output
• GLM 5.3: $1.40/M tokens input, $4.40/M tokens output

Provided by

• DeepSeek V4 Pro 0813: DeepSeek
• GLM 5.3: Z.ai

• DeepSeek V4 Pro 0813 model details, providers and pricing
• GLM 5.3 model details, providers and pricing