Model comparison

Gemini 3.5 Flash vs GLM-5

Compare Gemini 3.5 Flash (Google) and GLM-5 (Z Ai) by price, context, capabilities, and latency.

Price deadline

Gemini Flash prices rise Jan 1, 2027

Per Google's published pricing page, Gemini Flash input prices double on Jan 1, 2027. The same workload runs an order of magnitude cheaper on DeepSeek and GLM. Source: Google pricing Full price breakdown

Budget control

Worried about runaway spend? Every API key supports a monthly hard cap.

Which should you pick?

  • Price: GLM-5 is cheaper ($0.58 / 1M tokens input / $2.58 / 1M tokens output) vs Gemini 3.5 Flash ($1.50 / 1M tokens input / $9 / 1M tokens output).
  • Context: Gemini 3.5 Flash has the larger context window (1M tokens).
  • Gemini 3.5 Flash adds: Vision.

Side by side

Gemini 3.5 Flash vs GLM-5 — full comparison

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

ModelProviderInputOutputContextCapabilitiesBest forLatencyStatusSource
Gemini 3.5 Flashgoogle/gemini-3.5-flashGoogle$1.50 / 1M tokens$9 / 1M tokens1M
StreamingTool callingJSON modeVision
image understanding, multimodal chat0-0msCatalogPlatform curated
GLM-5z-ai/glm-5Z AiStarting at $0.58 / 1M tokens$2.58 / 1M tokens198k
StreamingTool callingJSON modeLong context
General chat via Z Ai, API workloads1431-2367msCatalogPlatform curated

FAQ

Gemini 3.5 Flash vs GLM-5 FAQ

Is Gemini 3.5 Flash or GLM-5 cheaper?

GLM-5 is cheaper ($0.58 / 1M tokens input / $2.58 / 1M tokens output) vs Gemini 3.5 Flash ($1.50 / 1M tokens input / $9 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.

Which has a larger context window, Gemini 3.5 Flash or GLM-5?

Gemini 3.5 Flash is larger (1M tokens) vs 198k tokens.

Gemini 3.5 Flash vs GLM-5 for Long context: which should I pick?

Both target Long context. Pick GLM-5 to optimize cost, or Gemini 3.5 Flash for the longer context window. Test both on real prompts before committing production traffic.