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Tencent: Hy4

tencent/hy4

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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...

Modalities

TextImageText

In / out price

$0.42 / $1.25 per 1M

Context

1.05M

Released

Nov 4, 2026

Why use Hy4

  • Understands images
  • Step-by-step reasoning mode
  • Tool and function calling (agent-ready)
  • Structured (JSON) outputs
  • Very long context: whole books or codebases in one prompt

Pricing

Input$0.42 / 1M tokens
Output$1.25 / 1M tokens
Cached input (read)$0.021 / 1M tokens

List prices via OpenRouter, checked daily. Real cost depends on the provider and on reasoning tokens.

How it ranks

Intelligence index34.6

Source: Artificial Analysis (artificialanalysis.ai) via OpenRouter (openrouter.ai/rankings).

Cost calculator

Pick a task, set how often you run it, and compare what it costs on each model.

ModelPer runPer monthPer 1,000 runs
Tencent: Hy4$0.0028$2.83$2.83

Estimates from list prices via OpenRouter; real bills vary by provider and reasoning tokens.

Will it fit? Context window simulator

Each square is about one page (500 words). Colored squares are your content; grey squares are free space in the model's context window.

Your content

  • Novel (90,000 words)

Total: about 120,000 tokens (≈ 90,226 words). Token counts are estimates.

Models

Tencent: Hy4

1,048,576 tokens ≈ 1,577 pages

Fits: uses 11% of the window (room for 8× this much).

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