Hy3 preview vs Hy4

Price, context window & benchmark comparison

Tencent

Hy3 preview

Tencent
$0.18 / $0.60
Input / Output · per 1M tokens
VS
Tencent

Hy4

Tencent
$0.42 / $1.25
Input / Output · per 1M tokens
Compare different models
Tencent
Tencent
Verdict: Hy3 preview is 2.2× cheaper than Hy4 on a typical 3:1 input/output mix. Hy4 has the larger context window (1M vs 262K).
Hy3 previewHy4
Input price / 1M$0.18$0.42
Output price / 1M$0.60$1.25
Blended price (3:1)$0.29$0.63
Cached input / 1M$0.06$0.021
Context window262K1M
Max output236K66K
Intelligence index—34.6
Coding index58.8—
Providers—1
Best provider uptime (30m)—100.0%
Vision inputNoYes
ReasoningYesYes
Tool callingYesYes
Released2026-04-222026-11-04
Retirement——

Cost calculator

FAQ

Which is cheaper, Hy3 preview or Hy4?

Hy3 preview is 2.2× cheaper than Hy4 on a typical 3:1 input/output mix.

Hy3 preview vs Hy4: which has a bigger context window?

Hy3 preview: 262,144 tokens. Hy4: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Hy3 preview ≈ $660.00, Hy4 ≈ $1,459.

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