AI model comparison

GLM 5.1 vs Qwen3.6 Plus

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

GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks.

Input / 1M
$0.97
Output / 1M
$3.04
Context
205K

Qwen 3.6 Plus builds on a hybrid architecture that combines efficient linear attention with sparse mixture-of-experts routing, enabling strong scalability and high-performance inference.

Input / 1M
$0.33
Output / 1M
$1.95
Context
1M

At a glance

Quick verdict

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

Lower price

qwen logo

Qwen3.6 Plus

2.1x cheaper for a typical chat

Higher intelligence score

qwen logo

Qwen3.6 Plus

27 vs 26.1 on Artificial Analysis

Larger context window

qwen logo

Qwen3.6 Plus

1M vs 205K tokens

Newer release

z-ai logo

GLM 5.1

Released April 7, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

z-ai logoGLM 5.126.1
qwen logoQwen3.6 Plus27

Coding index

z-ai logoGLM 5.155.8
qwen logoQwen3.6 Plus54.5

Agentic index

z-ai logoGLM 5.123.9
qwen logoQwen3.6 PlusNot available

Pricing

GLM 5.1 vs Qwen3.6 Plus API pricing

Per-token API rates. Cheaper option highlighted.

Metricz-ai logoGLM 5.1qwen logoQwen3.6 Plus
Input tokensPer 1M tokens$0.97$0.33
Output tokensPer 1M tokens$3.04$1.95
Cached input (read)Per 1M tokens$0.18Not available
Cache writePer 1M tokensNot available$0.41
Long-context pricingPer 1M tokens, for very long promptsSame rate at any length$1.30 in / $3.90 out above 256K

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 5.1$3.45
qwen logoQwen3.6 Plus$1.63

Coding task

30K in, 4K out

z-ai logoGLM 5.1$41.12$17.53 cached
qwen logoQwen3.6 Plus$17.55

Long document summary

150K in, 2K out

z-ai logoGLM 5.1$150.97$32.98 cached
qwen logoQwen3.6 Plus$52.65

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 5.1qwen logoQwen3.6 Plus
Context window205K tokens1M tokens
Max output128K tokens66K tokens
Input typesTextImage, Text, Video
Output typesTextText
Reasoning effort levelsNot availableNot available
Default reasoning effortNot availableNot available
Release dateApril 7, 2026April 2, 2026

Features

Supported features

API features available for each model.

Metricz-ai logoGLM 5.1qwen logoQwen3.6 Plus
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesSupportedSupported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

Qwen3.6 Plus is 2.1x cheaper for a typical chat. Qwen3.6 Plus scores higher on the Artificial Analysis Intelligence Index (27 vs 26.1). Qwen3.6 Plus has the larger context window (1M vs 205K 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 5.1 or Qwen3.6 Plus cheaper?

Qwen3.6 Plus is cheaper for a typical chat (2K input tokens and 500 output tokens). Qwen3.6 Plus costs $0.33 per 1M input tokens and $1.95 per 1M output tokens, while GLM 5.1 costs $0.97 per 1M input tokens and $3.04 per 1M output tokens.

Which has a bigger context window, GLM 5.1 or Qwen3.6 Plus?

Qwen3.6 Plus supports up to 1M tokens of context, compared with 205K for GLM 5.1.

Is GLM 5.1 smarter than Qwen3.6 Plus?

On the Artificial Analysis Intelligence Index, GLM 5.1 scores 26.1 and Qwen3.6 Plus scores 27, putting Qwen3.6 Plus ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use GLM 5.1 and Qwen3.6 Plus at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see GLM 5.1 and Qwen3.6 Plus answer side by side and keep the better response.

z-ai logoqwen logo

Why choose? Ask both.

Send one prompt to GLM 5.1 and Qwen3.6 Plus at the same time. Compare the answers side by side and keep the best one.