LongCat 2.0 vs GLM 5.1: side-by-side summary

LongCat 2.0 and GLM 5.1 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

LongCat 2.0, from meituan, has a 1,048,756-token context window and is priced at $0.30/M tokens input, $1.20/M tokens output on OpenRouter.

GLM 5.1, from Z.ai, has a 204,800-token context window and is priced at $0.966/M tokens input, $3.036/M tokens output on OpenRouter.

Context window

• LongCat 2.0: 1,048,756 tokens
• GLM 5.1: 204,800 tokens

Price

• LongCat 2.0: $0.30/M tokens input, $1.20/M tokens output
• GLM 5.1: $0.966/M tokens input, $3.036/M tokens output

Provided by

• LongCat 2.0: meituan
• GLM 5.1: Z.ai

• LongCat 2.0 model details, providers and pricing
• GLM 5.1 model details, providers and pricing