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AI model comparison

DeepSeek V4.1 Flash vs GLM 5 Turbo

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

DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture.

Input / 1M
$0.15
Output / 1M
$0.60
Context
1.05M

GLM-5 Turbo is a new model from Z.ai designed for fast inference and strong performance in agent-driven environments such as OpenClaw scenarios.

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

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

deepseek logo

DeepSeek V4.1 Flash

7.3x cheaper for a typical chat

Higher intelligence score

z-ai logo

GLM 5 Turbo

26.6 vs 24.7 on Artificial Analysis

Larger context window

deepseek logo

DeepSeek V4.1 Flash

1.05M vs 203K tokens

Newer release

deepseek logo

DeepSeek V4.1 Flash

Released September 10, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

deepseek logoDeepSeek V4.1 Flash24.7
z-ai logoGLM 5 Turbo26.6

Coding index

deepseek logoDeepSeek V4.1 FlashNot available
z-ai logoGLM 5 TurboNot available

Agentic index

deepseek logoDeepSeek V4.1 FlashNot available
z-ai logoGLM 5 TurboNot available

Pricing

DeepSeek V4.1 Flash vs GLM 5 Turbo API pricing

Per-token API rates. Cheaper option highlighted.

Metricdeepseek logoDeepSeek V4.1 Flashz-ai logoGLM 5 Turbo
Input tokensPer 1M tokens$0.15$1.20
Output tokensPer 1M tokens$0.60$4
Cached input (read)Per 1M tokens$0.00$0.24
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

deepseek logoDeepSeek V4.1 Flash$0.60
z-ai logoGLM 5 Turbo$4.40

Coding task

30K in, 4K out

deepseek logoDeepSeek V4.1 Flash$6.90$2.49 cached
z-ai logoGLM 5 Turbo$52$23.20 cached

Long document summary

150K in, 2K out

deepseek logoDeepSeek V4.1 Flash$23.70$1.65 cached
z-ai logoGLM 5 Turbo$188$44 cached

Specs

Context window and capabilities

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

Metricdeepseek logoDeepSeek V4.1 Flashz-ai logoGLM 5 Turbo
Context window1.05M tokens203K tokens
Max output393K tokens131K tokens
Input typesImage, TextText
Output typesTextText
Reasoning effort levelsMax, High, Low, NoneNot available
Default reasoning effortHighNot available
Release dateSeptember 10, 2026March 15, 2026

Features

Supported features

API features available for each model.

Metricdeepseek logoDeepSeek V4.1 Flashz-ai logoGLM 5 Turbo
Tool callingSupportedSupported
Structured outputsSupportedNot supported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesSupportedNot supported
Deterministic seedSupportedNot supported
Verbosity controlNot supportedNot supported

Our take

DeepSeek V4.1 Flash is 7.3x cheaper for a typical chat. GLM 5 Turbo scores higher on the Artificial Analysis Intelligence Index (26.6 vs 24.7). DeepSeek V4.1 Flash has the larger context window (1.05M 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 DeepSeek V4.1 Flash or GLM 5 Turbo cheaper?

DeepSeek V4.1 Flash is cheaper for a typical chat (2K input tokens and 500 output tokens). DeepSeek V4.1 Flash costs $0.15 per 1M input tokens and $0.60 per 1M output tokens, while GLM 5 Turbo costs $1.20 per 1M input tokens and $4 per 1M output tokens.

Which has a bigger context window, DeepSeek V4.1 Flash or GLM 5 Turbo?

DeepSeek V4.1 Flash supports up to 1.05M tokens of context, compared with 203K for GLM 5 Turbo.

Is DeepSeek V4.1 Flash smarter than GLM 5 Turbo?

On the Artificial Analysis Intelligence Index, DeepSeek V4.1 Flash scores 24.7 and GLM 5 Turbo scores 26.6, putting GLM 5 Turbo ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use DeepSeek V4.1 Flash and GLM 5 Turbo at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see DeepSeek V4.1 Flash and GLM 5 Turbo answer side by side and keep the better response.

deepseek logoz-ai logo

Why choose? Ask both.

Send one prompt to DeepSeek V4.1 Flash and GLM 5 Turbo at the same time. Compare the answers side by side and keep the best one.

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