AI model comparison

Kimi K3 vs GLM 5.2

Side by side comparison of Kimi K3 and GLM 5.2 on pricing, benchmark scores, context window, and more.

Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI.

Input / 1M
$0.24
Output / 1M
$10.80
Context
1.05M

GLM 5.2 is a large-scale reasoning model from Z.ai.

Input / 1M
$0.01
Output / 1M
$7
Context
1.05M

Comparing image generators? Compare image models

At a glance

Quick verdict

How the two models stack up on the things people ask about most.

Lower price

z-ai logo

GLM 5.2

1.7x cheaper for a typical chat

Higher intelligence score

Not available

Not enough benchmark data

Larger context window

Tie

1.05M vs 1.05M tokens

Newer release

moonshotai logo

Kimi K3

Released July 16, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

moonshotai logoKimi K3Not available
z-ai logoGLM 5.2Not available

Coding index

moonshotai logoKimi K376.2
z-ai logoGLM 5.268.8

Agentic index

moonshotai logoKimi K350
z-ai logoGLM 5.238.4

Pricing

Kimi K3 vs GLM 5.2 API pricing

Per-token API rates. Cheaper option highlighted.

Metricmoonshotai logoKimi K3z-ai logoGLM 5.2
Input tokensPer 1M tokens$0.24$0.01
Output tokensPer 1M tokens$10.80$7
Cached input (read)Per 1M tokens$0.21$0.01
Cache writePer 1M tokensNot availableNot available

What it costs in practice

Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.

Chat message

2K in, 500 out

moonshotai logoKimi K3$5.88
z-ai logoGLM 5.2$3.51

Coding task

30K in, 4K out

moonshotai logoKimi K3$50.37$49.50 cached
z-ai logoGLM 5.2$28.18$28.15 cached

Long document summary

150K in, 2K out

moonshotai logoKimi K3$57.45$53.10 cached
z-ai logoGLM 5.2$14.90$14.75 cached

Specs

Context window and capabilities

How much each model can read, how much it can write, and what it accepts as input.

Metricmoonshotai logoKimi K3z-ai logoGLM 5.2
Context window1.05M tokens1.05M tokens
Max output944K tokens944K tokens
Input typesImage, Text, VideoText
Output typesTextText
Reasoning effort levelsMax, High, Low, NoneExtra high, High, None
Default reasoning effortMaxHigh
Release dateJuly 16, 2026June 16, 2026

Features

Supported features

API features available for each model.

Metricmoonshotai logoKimi K3z-ai logoGLM 5.2
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesSupportedSupported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

GLM 5.2 is 1.7x cheaper for a typical chat. The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.

FAQ

Frequently asked questions

Is Kimi K3 or GLM 5.2 cheaper?

GLM 5.2 is cheaper for a typical chat (2K input tokens and 500 output tokens). GLM 5.2 costs $0.01 per 1M input tokens and $7 per 1M output tokens, while Kimi K3 costs $0.24 per 1M input tokens and $10.80 per 1M output tokens.

Which has a bigger context window, Kimi K3 or GLM 5.2?

Kimi K3 supports up to 1.05M tokens of context, compared with 1.05M for GLM 5.2.

Can I use Kimi K3 and GLM 5.2 at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Kimi K3 and GLM 5.2 answer side by side and keep the better response.

moonshotai logoz-ai logo

Why choose? Ask both.

Send one prompt to Kimi K3 and GLM 5.2 at the same time. Compare the answers side by side and keep the best one.