GLM 5.3 Flash vs Hy3: side-by-side summary

GLM 5.3 Flash and Hy3 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 1,048,576-token context window and is priced at $0.075/M tokens input, $0.25/M tokens output on OpenRouter.

Hy3, from tencent, has a 262,144-token context window and is priced at $0.132/M tokens input, $0.528/M tokens output on OpenRouter.

Context window

• GLM 5.3 Flash: 1,048,576 tokens
• Hy3: 262,144 tokens

Price

• GLM 5.3 Flash: $0.075/M tokens input, $0.25/M tokens output
• Hy3: $0.132/M tokens input, $0.528/M tokens output

Provided by

• GLM 5.3 Flash: Z.ai
• Hy3: tencent

• GLM 5.3 Flash model details, providers and pricing
• Hy3 model details, providers and pricing