Gemini 3 Flash Preview vs GLM 5: side-by-side summary

Gemini 3 Flash Preview and GLM 5 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Gemini 3 Flash Preview, from Google, has a 1,048,576-token context window and is priced at $0.50/M tokens input, $3/M tokens output on OpenRouter.

GLM 5, from Z.ai, has a 204,800-token context window and is priced at $0.60/M tokens input, $1.92/M tokens output on OpenRouter.

Context window

• Gemini 3 Flash Preview: 1,048,576 tokens
• GLM 5: 204,800 tokens

Price

• Gemini 3 Flash Preview: $0.50/M tokens input, $3/M tokens output
• GLM 5: $0.60/M tokens input, $1.92/M tokens output

Provided by

• Gemini 3 Flash Preview: Google
• GLM 5: Z.ai

• Gemini 3 Flash Preview model details, providers and pricing
• GLM 5 model details, providers and pricing