AI Calculator Pro

GLM-5.1

Z.ai (Zhipu AI) · model · context window 200,000 tokens.

Pricing (per 1M tokens)

Input$1.40
Output$4.40
Cache read$0.2600

Specifications

Context window200,000 tokens
Max output131,072 tokens
Modalitiestext
VisionNo
Tool useYes
ReasoningNo
Prompt cachingNo

Intelligence & value

Measured
Overall1429 · #32
Coding1518 · #14

Worth it? DeepSeek V4 Flash matches or beats GLM-5.1 on the overall Arena and costs about $35.00/month versus $430.00/month at 100,000 calls — roughly $395.00/month cheaper.

Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 28 July 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.

Estimate cost with GLM-5.1

GLM-5.1 is pre-selected below. Enter your token counts and volume to see the cost per request, per day and per month — then switch models to compare.

Results update automatically as you type.

Result
$0.00360 per request
~$108.00/month at 1,000 requests/day
Input cost
$0.00140
Output cost
$0.00220
Per request
$0.00360
Per day
$3.60
Per month
$108.00

Source: auto-discovery (models.dev). Prices are re-checked daily against the provider’s official pricing; this rate was last changed on 19 July 2026. A recent date here just means the price is still current, not that it moved.