AI model comparison

Hy4 vs Inkling Small

Side by side comparison of Hy4 and Inkling Small on pricing, benchmark scores, context window, and more.

The official release of Hy4 delivers comprehensive and substantial improvements over Hy4 Preview, with particularly strong gains in agentic capabilities and performance across a wide range of long-horizon, real-world productivity

Input / 1M
$0.42
Output / 1M
$1.25
Context
1.05M

Inkling Small is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 12B active parameters out of 276B total.

Input / 1M
$0.45
Output / 1M
$1.20
Context
524K

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

tencent logo

Hy4

1.0x cheaper for a typical chat

Higher intelligence score

Not available

Not enough benchmark data

Larger context window

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Hy4

1.05M vs 524K tokens

Newer release

tencent logo

Hy4

Released November 4, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

tencent logoHy4Not available
thinkingmachines logoInkling Small12.9

Coding index

tencent logoHy4Not available
thinkingmachines logoInkling Small52.9

Agentic index

tencent logoHy4Not available
thinkingmachines logoInkling Small23.5

Pricing

Hy4 vs Inkling Small API pricing

Per-token API rates. Cheaper option highlighted.

Metrictencent logoHy4thinkingmachines logoInkling Small
Input tokensPer 1M tokens$0.42$0.45
Output tokensPer 1M tokens$1.25$1.20
Cached input (read)Per 1M tokens$0.02$0.10
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

tencent logoHy4$1.46
thinkingmachines logoInkling Small$1.50

Coding task

30K in, 4K out

tencent logoHy4$17.51$5.63 cached
thinkingmachines logoInkling Small$18.30$7.80 cached

Long document summary

150K in, 2K out

tencent logoHy4$65.05$5.65 cached
thinkingmachines logoInkling Small$69.90$17.40 cached

Specs

Context window and capabilities

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

Metrictencent logoHy4thinkingmachines logoInkling Small
Context window1.05M tokens524K tokens
Max output66K tokens262K tokens
Input typesImage, TextAudio, Image, Text
Output typesTextText
Reasoning effort levelsHigh, Low, NoneMax, High, Medium, Low, Minimal, None
Default reasoning effortHighHigh
Release dateNovember 4, 2026July 30, 2026

Features

Supported features

API features available for each model.

Metrictencent logoHy4thinkingmachines logoInkling Small
Tool callingSupportedSupported
Structured outputsSupportedNot supported
JSON modeSupportedNot supported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesSupportedSupported
Deterministic seedNot supportedSupported
Verbosity controlNot supportedNot supported

Our take

Hy4 is 1.0x cheaper for a typical chat. Hy4 has the larger context window (1.05M vs 524K 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 Hy4 or Inkling Small cheaper?

Hy4 is cheaper for a typical chat (2K input tokens and 500 output tokens). Hy4 costs $0.42 per 1M input tokens and $1.25 per 1M output tokens, while Inkling Small costs $0.45 per 1M input tokens and $1.20 per 1M output tokens.

Which has a bigger context window, Hy4 or Inkling Small?

Hy4 supports up to 1.05M tokens of context, compared with 524K for Inkling Small.

Can I use Hy4 and Inkling Small at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Hy4 and Inkling Small answer side by side and keep the better response.

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Why choose? Ask both.

Send one prompt to Hy4 and Inkling Small at the same time. Compare the answers side by side and keep the best one.