AI model comparison

GLM 4.6V vs DeepSeek V3.1

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

GLM-4.6V is a large multimodal model designed for high-fidelity visual understanding and long-context reasoning across images, documents, and mixed media.

Input / 1M
$0.30
Output / 1M
$0.90
Context
131K

DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates.

Input / 1M
$0.25
Output / 1M
$0.95
Context
164K

At a glance

Quick verdict

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

Lower price

deepseek logo

DeepSeek V3.1

1.1x cheaper for a typical chat

Higher intelligence score

deepseek logo

DeepSeek V3.1

13.7 vs 11.2 on Artificial Analysis

Larger context window

deepseek logo

DeepSeek V3.1

164K vs 131K tokens

Newer release

z-ai logo

GLM 4.6V

Released December 8, 2025

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

z-ai logoGLM 4.6V11.2
deepseek logoDeepSeek V3.113.7

Coding index

z-ai logoGLM 4.6VNot available
deepseek logoDeepSeek V3.1Not available

Agentic index

z-ai logoGLM 4.6VNot available
deepseek logoDeepSeek V3.1Not available

Pricing

GLM 4.6V vs DeepSeek V3.1 API pricing

Per-token API rates. Cheaper option highlighted.

Metricz-ai logoGLM 4.6Vdeepseek logoDeepSeek V3.1
Input tokensPer 1M tokens$0.30$0.25
Output tokensPer 1M tokens$0.90$0.95
Cached input (read)Per 1M tokens$0.06$0.13
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

z-ai logoGLM 4.6V$1.05
deepseek logoDeepSeek V3.1$0.98

Coding task

30K in, 4K out

z-ai logoGLM 4.6V$12.60$5.25 cached
deepseek logoDeepSeek V3.1$11.30$7.70 cached

Long document summary

150K in, 2K out

z-ai logoGLM 4.6V$46.80$10.05 cached
deepseek logoDeepSeek V3.1$39.40$21.40 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 4.6Vdeepseek logoDeepSeek V3.1
Context window131K tokens164K tokens
Max output33K tokens33K tokens
Input typesImage, Text, VideoText
Output typesTextText
Reasoning effort levelsNot availableNot available
Default reasoning effortNot availableNot available
Release dateDecember 8, 2025August 21, 2025

Features

Supported features

API features available for each model.

Metricz-ai logoGLM 4.6Vdeepseek logoDeepSeek V3.1
Tool callingSupportedSupported
Structured outputsNot supportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesSupportedSupported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

DeepSeek V3.1 is 1.1x cheaper for a typical chat. DeepSeek V3.1 scores higher on the Artificial Analysis Intelligence Index (13.7 vs 11.2). DeepSeek V3.1 has the larger context window (164K vs 131K 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 4.6V or DeepSeek V3.1 cheaper?

DeepSeek V3.1 is cheaper for a typical chat (2K input tokens and 500 output tokens). DeepSeek V3.1 costs $0.25 per 1M input tokens and $0.95 per 1M output tokens, while GLM 4.6V costs $0.30 per 1M input tokens and $0.90 per 1M output tokens.

Which has a bigger context window, GLM 4.6V or DeepSeek V3.1?

DeepSeek V3.1 supports up to 164K tokens of context, compared with 131K for GLM 4.6V.

Is GLM 4.6V smarter than DeepSeek V3.1?

On the Artificial Analysis Intelligence Index, GLM 4.6V scores 11.2 and DeepSeek V3.1 scores 13.7, putting DeepSeek V3.1 ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use GLM 4.6V and DeepSeek V3.1 at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see GLM 4.6V and DeepSeek V3.1 answer side by side and keep the better response.

z-ai logodeepseek logo

Why choose? Ask both.

Send one prompt to GLM 4.6V and DeepSeek V3.1 at the same time. Compare the answers side by side and keep the best one.