Model comparison

GLM 5.1 CN vs GLM 5.2 CN

Compare GLM 5.1 CN (Z Ai) and GLM 5.2 CN (Z Ai) by price, context, capabilities, and latency.

Estimate costAll comparisons

Which should you pick?

  • Price: GLM 5.1 CN is cheaper ($0.12 / 1M tokens input / $0.479 / 1M tokens output) vs GLM 5.2 CN ($0.171 / 1M tokens input / $0.596 / 1M tokens output).

Side by side

GLM 5.1 CN vs GLM 5.2 CN — full comparison

Compare price, provider, context, capabilities, latency, and source basis.

ModelProviderInputOutputContextCapabilitiesBest forLatencyStatusSource
GLM 5.1 CNz-ai/glm-5.1-cnZ Ai$0.12 / 1M tokens$0.479 / 1M tokens—
Streaming
General chat via Z Ai, API workloads1000-3000msCatalogPlatform curated
GLM 5.2 CNz-ai/glm-5.2-cnZ Ai$0.171 / 1M tokens$0.596 / 1M tokens—
Streaming
General chat via Z Ai, API workloads1000-3000msCatalogPlatform curated

FAQ

GLM 5.1 CN vs GLM 5.2 CN FAQ

Is GLM 5.1 CN or GLM 5.2 CN cheaper?

GLM 5.1 CN is cheaper ($0.12 / 1M tokens input / $0.479 / 1M tokens output) vs GLM 5.2 CN ($0.171 / 1M tokens input / $0.596 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.

Which has a larger context window, GLM 5.1 CN or GLM 5.2 CN?

Both offer the same context window: — tokens.

GLM 5.1 CN vs GLM 5.2 CN for High quality: which should I pick?

Both target High quality. Pick GLM 5.1 CN to optimize cost, or GLM 5.1 CN for the longer context window. Test both on real prompts before committing production traffic.

GLM 5.1 CN detailsGLM 5.2 CN detailsPricing calculatorOpenAI-compatible quickstart