Aion-3.0-Mini vs GLM 5.3 Flash: side-by-side summary

Aion-3.0-Mini 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.

Aion-3.0-Mini, from Aion Labs, has a 131,072-token context window and is priced at $0.70/M tokens input, $1.40/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

• Aion-3.0-Mini: 131,072 tokens
• GLM 5.3 Flash: 1,310,720 tokens

Price

• Aion-3.0-Mini: $0.70/M tokens input, $1.40/M tokens output
• GLM 5.3 Flash: $0.075/M tokens input, $0.25/M tokens output

Provided by

• Aion-3.0-Mini: Aion Labs
• GLM 5.3 Flash: Z.ai

• Aion-3.0-Mini model details, providers and pricing
• GLM 5.3 Flash model details, providers and pricing