GLM 5.3 Flash vs Inkling Small: side-by-side summary

GLM 5.3 Flash and Inkling Small 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.

Inkling Small, from thinkingmachines, has a 1,048,576-token context window and is priced at $0.45/M tokens input, $1.20/M tokens output on OpenRouter.

Context window

• GLM 5.3 Flash: 1,048,576 tokens
• Inkling Small: 1,048,576 tokens

Price

• GLM 5.3 Flash: $0.075/M tokens input, $0.25/M tokens output
• Inkling Small: $0.45/M tokens input, $1.20/M tokens output

Provided by

• GLM 5.3 Flash: Z.ai
• Inkling Small: thinkingmachines

• GLM 5.3 Flash model details, providers and pricing
• Inkling Small model details, providers and pricing