AI model comparison

GLM 5V Turbo vs GPT-5.4 Mini

Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.

GLM-5V-Turbo is Z.ai’s first native multimodal agent foundation model, built for vision-based coding and agent-driven tasks.

Input / 1M
$1.20
Output / 1M
$4
Context
203K

GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads.

Input / 1M
$0.75
Output / 1M
$4.50
Context
400K

At a glance

Quick verdict

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

Lower price

openai logo

GPT-5.4 Mini

1.2x cheaper for a typical chat

Higher intelligence score

openai logo

GPT-5.4 Mini

24.1 vs 23.5 on Artificial Analysis

Larger context window

openai logo

GPT-5.4 Mini

400K vs 203K tokens

Newer release

z-ai logo

GLM 5V Turbo

Released April 1, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

z-ai logoGLM 5V Turbo23.5
openai logoGPT-5.4 Mini24.1

Coding index

z-ai logoGLM 5V TurboNot available
openai logoGPT-5.4 Mini56.1

Agentic index

z-ai logoGLM 5V TurboNot available
openai logoGPT-5.4 Mini17.9

Pricing

GLM 5V Turbo vs GPT-5.4 Mini API pricing

Per-token API rates. Cheaper option highlighted.

Metricz-ai logoGLM 5V Turboopenai logoGPT-5.4 Mini
Input tokensPer 1M tokens$1.20$0.75
Output tokensPer 1M tokens$4$4.50
Cached input (read)Per 1M tokens$0.24$0.08
Cache writePer 1M tokensNot availableNot available
Web searchPer requestNot available$0.01

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

z-ai logoGLM 5V Turbo$4.40
openai logoGPT-5.4 Mini$3.75

Coding task

30K in, 4K out

z-ai logoGLM 5V Turbo$52$23.20 cached
openai logoGPT-5.4 Mini$40.50$20.25 cached

Long document summary

150K in, 2K out

z-ai logoGLM 5V Turbo$188$44 cached
openai logoGPT-5.4 Mini$121.50$20.25 cached

Specs

Context window and capabilities

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

Metricz-ai logoGLM 5V Turboopenai logoGPT-5.4 Mini
Context window203K tokens400K tokens
Max output131K tokens128K tokens
Input typesImage, Text, VideoFile, Image, Text
Output typesTextText
Reasoning effort levelsNot availableExtra high, High, Medium, Low, None
Default reasoning effortNot availableMedium
Release dateApril 1, 2026March 17, 2026

Features

Supported features

API features available for each model.

Metricz-ai logoGLM 5V Turboopenai logoGPT-5.4 Mini
Tool callingSupportedSupported
Structured outputsNot supportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedNot supported
Stop sequencesNot supportedNot supported
Deterministic seedNot supportedSupported
Verbosity controlNot supportedSupported

Our take

GPT-5.4 Mini is 1.2x cheaper for a typical chat. GPT-5.4 Mini scores higher on the Artificial Analysis Intelligence Index (24.1 vs 23.5). GPT-5.4 Mini has the larger context window (400K vs 203K tokens). 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 GLM 5V Turbo or GPT-5.4 Mini cheaper?

GPT-5.4 Mini is cheaper for a typical chat (2K input tokens and 500 output tokens). GPT-5.4 Mini costs $0.75 per 1M input tokens and $4.50 per 1M output tokens, while GLM 5V Turbo costs $1.20 per 1M input tokens and $4 per 1M output tokens.

Which has a bigger context window, GLM 5V Turbo or GPT-5.4 Mini?

GPT-5.4 Mini supports up to 400K tokens of context, compared with 203K for GLM 5V Turbo.

Is GLM 5V Turbo smarter than GPT-5.4 Mini?

On the Artificial Analysis Intelligence Index, GLM 5V Turbo scores 23.5 and GPT-5.4 Mini scores 24.1, putting GPT-5.4 Mini ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use GLM 5V Turbo and GPT-5.4 Mini at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see GLM 5V Turbo and GPT-5.4 Mini answer side by side and keep the better response.

z-ai logoopenai logo

Why choose? Ask both.

Send one prompt to GLM 5V Turbo and GPT-5.4 Mini at the same time. Compare the answers side by side and keep the best one.