Model comparison

GPT-4o-mini vs GLM-5.2

Compare GPT-4o-mini (OpenAI) and GLM-5.2 (Z Ai) by price, context, capabilities, and latency.

Which should you pick?

  • Price: GPT-4o-mini is cheaper ($0.15 / 1M tokens input / $0.6 / 1M tokens output) vs GLM-5.2 ($1.18 / 1M tokens input / $4.12 / 1M tokens output).
  • Context: GLM-5.2 has the larger context window (1M tokens).
  • GPT-4o-mini adds: Vision.

Side by side

GPT-4o-mini vs GLM-5.2 — full comparison

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

ModelProviderInputOutputContextCapabilitiesBest forLatencyStatusSource
GPT-4o-miniopenai/gpt-4o-miniOpenAI$0.15 / 1M tokens$0.6 / 1M tokens128k
StreamingTool callingJSON modeVision
image understanding, multimodal chat1365-2808msCatalogPlatform curated
GLM-5.2z-ai/glm-5.2Z Ai$1.18 / 1M tokens$4.12 / 1M tokens1M
StreamingTool callingJSON modeLong context
General chat via Z Ai, API workloads1103-2070msCatalogPlatform curated

FAQ

GPT-4o-mini vs GLM-5.2 FAQ

Is GPT-4o-mini or GLM-5.2 cheaper?

GPT-4o-mini is cheaper ($0.15 / 1M tokens input / $0.6 / 1M tokens output) vs GLM-5.2 ($1.18 / 1M tokens input / $4.12 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.

Which has a larger context window, GPT-4o-mini or GLM-5.2?

GLM-5.2 is larger (1M tokens) vs 128k tokens.

GPT-4o-mini vs GLM-5.2 for Long context: which should I pick?

Both target Long context. Pick GPT-4o-mini to optimize cost, or GLM-5.2 for the longer context window. Test both on real prompts before committing production traffic.