Overview
GLM 5.3 vs GLM 5.3 Flash: side-by-side summary
GLM 5.3 and GLM 5.3 Flash are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
GLM 5.3, from Z.ai, has a 1,310,720-token context window and is priced at $0.8775/M tokens input, $2.97/M tokens output on OpenRouter.
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.
- Context window
- GLM 5.3: 1,310,720 tokens
- GLM 5.3 Flash: 1,310,720 tokens
- Price
- GLM 5.3: $0.8775/M tokens input, $2.97/M tokens output
- GLM 5.3 Flash: $0.075/M tokens input, $0.25/M tokens output
- Provided by
- GLM 5.3: Z.ai
- GLM 5.3 Flash: Z.ai