AI model comparison

Hy4 preview vs Claude Opus 5

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

Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total.

Input / 1M
$0.75
Output / 1M
$2.25
Context
1.05M
anthropic logo

Anthropic

Claude Opus 5

Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work.

Input / 1M
$5
Output / 1M
$25
Context
1M

At a glance

Quick verdict

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

Lower price

tencent logo

Hy4 preview

8.6x cheaper for a typical chat

Higher intelligence score

Tie

Not enough benchmark data

Larger context window

tencent logo

Hy4 preview

1.05M vs 1M tokens

Newer release

tencent logo

Hy4 preview

Released August 28, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

tencent logoHy4 previewNot available
anthropic logoClaude Opus 550.8

Coding index

tencent logoHy4 previewNot available
anthropic logoClaude Opus 578

Agentic index

tencent logoHy4 previewNot available
anthropic logoClaude Opus 556.5

Pricing

Hy4 preview vs Claude Opus 5 API pricing

Per-token API rates. Cheaper option highlighted.

Metrictencent logoHy4 previewanthropic logoClaude Opus 5
Input tokensPer 1M tokens$0.75$5
Output tokensPer 1M tokens$2.25$25
Cached input (read)Per 1M tokens$0.04$0.50
Cache writePer 1M tokensNot available$6.25
Web searchPer requestNot available$0.01

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 preview$2.63
anthropic logoClaude Opus 5$22.50

Coding task

30K in, 4K out

tencent logoHy4 preview$31.52$10.14 cached
anthropic logoClaude Opus 5$250$115 cached

Long document summary

150K in, 2K out

tencent logoHy4 preview$117.09$10.17 cached
anthropic logoClaude Opus 5$800$125 cached

Specs

Context window and capabilities

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

Metrictencent logoHy4 previewanthropic logoClaude Opus 5
Context window1.05M tokens1M tokens
Max output64K tokens128K tokens
Input typesTextFile, Image, Text
Output typesTextText
Reasoning effort levelsHigh, Low, NoneMax, Extra high, High, Medium, Low
Default reasoning effortHighHigh
Release dateAugust 28, 2026July 24, 2026

Features

Supported features

API features available for each model.

Metrictencent logoHy4 previewanthropic logoClaude Opus 5
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedNot supported
Stop sequencesSupportedSupported
Deterministic seedSupportedNot supported
Verbosity controlNot supportedSupported

Our take

Hy4 preview is 8.6x cheaper for a typical chat. Hy4 preview has the larger context window (1.05M vs 1M 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 preview or Claude Opus 5 cheaper?

Hy4 preview is cheaper for a typical chat (2K input tokens and 500 output tokens). Hy4 preview costs $0.75 per 1M input tokens and $2.25 per 1M output tokens, while Claude Opus 5 costs $5 per 1M input tokens and $25 per 1M output tokens.

Which has a bigger context window, Hy4 preview or Claude Opus 5?

Hy4 preview supports up to 1.05M tokens of context, compared with 1M for Claude Opus 5.

Can I use Hy4 preview and Claude Opus 5 at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Hy4 preview and Claude Opus 5 answer side by side and keep the better response.

tencent logoanthropic logo

Why choose? Ask both.

Send one prompt to Hy4 preview and Claude Opus 5 at the same time. Compare the answers side by side and keep the best one.