AI model comparison

Inkling vs GLM 5 Turbo

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

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Thinking Machines

Inkling

Inkling is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 41B active parameters out of 975B total.

Input / 1M
$1
Output / 1M
$4.05
Context
524K

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

At a glance

Quick verdict

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

Lower price

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Inkling

1.1x cheaper for a typical chat

Higher intelligence score

z-ai logo

GLM 5 Turbo

26.6 vs 25 on Artificial Analysis

Larger context window

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Inkling

524K vs 203K tokens

Newer release

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Inkling

Released July 17, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

thinkingmachines logoInkling25
z-ai logoGLM 5 Turbo26.6

Coding index

thinkingmachines logoInkling52.1
z-ai logoGLM 5 TurboNot available

Agentic index

thinkingmachines logoInkling22.5
z-ai logoGLM 5 TurboNot available

Pricing

Inkling vs GLM 5 Turbo API pricing

Per-token API rates. Cheaper option highlighted.

Metricthinkingmachines logoInklingz-ai logoGLM 5 Turbo
Input tokensPer 1M tokens$1$1.20
Output tokensPer 1M tokens$4.05$4
Cached input (read)Per 1M tokens$0.17$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

thinkingmachines logoInkling$4.03
z-ai logoGLM 5 Turbo$4.40

Coding task

30K in, 4K out

thinkingmachines logoInkling$46.20$21.30 cached
z-ai logoGLM 5 Turbo$52$23.20 cached

Long document summary

150K in, 2K out

thinkingmachines logoInkling$158.10$33.60 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.

Metricthinkingmachines logoInklingz-ai logoGLM 5 Turbo
Context window524K tokens203K tokens
Max output472K tokens131K tokens
Input typesAudio, Image, TextText
Output typesTextText
Reasoning effort levelsMax, High, Medium, Low, Minimal, NoneNot available
Default reasoning effortHighNot available
Release dateJuly 17, 2026March 15, 2026

Features

Supported features

API features available for each model.

Metricthinkingmachines logoInklingz-ai logoGLM 5 Turbo
Tool callingSupportedSupported
Structured outputsNot supportedNot supported
JSON modeNot supportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesSupportedNot supported
Deterministic seedSupportedNot supported
Verbosity controlNot supportedNot supported

Our take

Inkling is 1.1x cheaper for a typical chat. GLM 5 Turbo scores higher on the Artificial Analysis Intelligence Index (26.6 vs 25). Inkling has the larger context window (524K 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 Inkling or GLM 5 Turbo cheaper?

Inkling is cheaper for a typical chat (2K input tokens and 500 output tokens). Inkling costs $1 per 1M input tokens and $4.05 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, Inkling or GLM 5 Turbo?

Inkling supports up to 524K tokens of context, compared with 203K for GLM 5 Turbo.

Is Inkling smarter than GLM 5 Turbo?

On the Artificial Analysis Intelligence Index, Inkling scores 25 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 Inkling and GLM 5 Turbo at the same time?

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

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Why choose? Ask both.

Send one prompt to Inkling and GLM 5 Turbo at the same time. Compare the answers side by side and keep the best one.