AI Calculator Pro

Gemini 2.5 Flash vs GLM-5

Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, Gemini 2.5 Flash is cheaper by about $105.00/month.

Gemini 2.5 FlashGLM-5
Intelligence
Arena · Overall(LMArena Elo — higher is better)14171446
Arena rank (overall)#62#29
Arena · Coding13701430
Arena · Math & reasoning1385
Arena · Agentic / tool use1368
Score evidenceMeasuredMeasured
Pricing (USD / 1M tokens)
Input$0.3000$1.00
Output$2.50$3.20
Cached input (read)$0.0300$0.2000
Cache write
Blended(3:1 input:output blend)$0.8500$1.55
Specs & capabilities
ProviderGoogleZ.ai (Zhipu AI)
Context window1M (1,000,000)205K (204,800)
Max output65,536131,072
Modalitiestext, image, audio, videotext
VisionYesNo
Tool useYesYes
ReasoningYesYes
Prompt cachingYesYes
Batch pricingYesNo
Tokenizergeminiapprox
Release date
Statusgaga

Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 18 September 2026. Scores are a relative signal, not an absolute measure of capability. A Measured score was voted on directly; an Estimated score is inherited from an identical base model (a regional/creator-prefixed hosting duplicate). See our methodology.

Compare on your own workload

Gemini 2.5 Flash and GLM-5 are pre-loaded. Adjust the tokens and monthly volume to see which is cheaper for your usage.

Used unless you set active users below.

Results update automatically as you type.

Result
Cheapest: Gemini 2.5 Flash at $155.00/month
Workload: 1,000 in / 500 out × 100,000 requests/month
Gemini 2.5 FlashGoogle$0.00155$155.00$1,860.001,000,000
GLM-5Z.ai (Zhipu AI)$0.00260$260.00$3,120.00204,800

FAQ

Which is cheaper, Gemini 2.5 Flash or GLM-5?

For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, Gemini 2.5 Flash is cheaper, costing about $155.00/month versus $260.00/month.

What is the context window of Gemini 2.5 Flash and GLM-5?

Gemini 2.5 Flash supports 1,000,000 tokens, while GLM-5 supports 204,800 tokens.

Estimates for planning only. Verify current pricing with each provider.