AI model comparison

GLM 4.7 Flash vs DeepSeek V3.1

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

As a 30B-class SOTA model, GLM-4.7-Flash offers a new option that balances performance and efficiency.

Input / 1M
$0.06
Output / 1M
$0.40
Context
200K

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

z-ai logo

GLM 4.7 Flash

3.0x cheaper for a typical chat

Higher intelligence score

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GLM 4.7 Flash

14.9 vs 13.7 on Artificial Analysis

Larger context window

z-ai logo

GLM 4.7 Flash

200K vs 164K tokens

Newer release

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GLM 4.7 Flash

Released January 19, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

z-ai logoGLM 4.7 Flash14.9
deepseek logoDeepSeek V3.113.7

Coding index

z-ai logoGLM 4.7 FlashNot available
deepseek logoDeepSeek V3.1Not available

Agentic index

z-ai logoGLM 4.7 FlashNot available
deepseek logoDeepSeek V3.1Not available

Pricing

GLM 4.7 Flash vs DeepSeek V3.1 API pricing

Per-token API rates. Cheaper option highlighted.

Metricz-ai logoGLM 4.7 Flashdeepseek logoDeepSeek V3.1
Input tokensPer 1M tokens$0.06$0.25
Output tokensPer 1M tokens$0.40$0.95
Cached input (read)Per 1M tokensNot available$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 4.7 Flash$0.32
deepseek logoDeepSeek V3.1$0.98

Coding task

30K in, 4K out

z-ai logoGLM 4.7 Flash$3.42
deepseek logoDeepSeek V3.1$11.30$7.70 cached

Long document summary

150K in, 2K out

z-ai logoGLM 4.7 Flash$9.88
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 4.7 Flashdeepseek logoDeepSeek V3.1
Context window200K tokens164K tokens
Max output118K tokens33K tokens
Input typesTextText
Output typesTextText
Reasoning effort levelsNot availableNot available
Default reasoning effortNot availableNot available
Release dateJanuary 19, 2026August 21, 2025

Features

Supported features

API features available for each model.

Metricz-ai logoGLM 4.7 Flashdeepseek logoDeepSeek V3.1
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesSupportedSupported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

GLM 4.7 Flash is 3.0x cheaper for a typical chat. GLM 4.7 Flash scores higher on the Artificial Analysis Intelligence Index (14.9 vs 13.7). GLM 4.7 Flash has the larger context window (200K vs 164K 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 4.7 Flash or DeepSeek V3.1 cheaper?

GLM 4.7 Flash is cheaper for a typical chat (2K input tokens and 500 output tokens). GLM 4.7 Flash costs $0.06 per 1M input tokens and $0.40 per 1M output tokens, while DeepSeek V3.1 costs $0.25 per 1M input tokens and $0.95 per 1M output tokens.

Which has a bigger context window, GLM 4.7 Flash or DeepSeek V3.1?

GLM 4.7 Flash supports up to 200K tokens of context, compared with 164K for DeepSeek V3.1.

Is GLM 4.7 Flash smarter than DeepSeek V3.1?

On the Artificial Analysis Intelligence Index, GLM 4.7 Flash scores 14.9 and DeepSeek V3.1 scores 13.7, putting GLM 4.7 Flash ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use GLM 4.7 Flash and DeepSeek V3.1 at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see GLM 4.7 Flash 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 4.7 Flash and DeepSeek V3.1 at the same time. Compare the answers side by side and keep the best one.