Gemini 4 Carbon vs Hy4 preview

Price, context window & benchmark comparison

Google

Gemini 4 Carbon

Google
$2.00 / $10.00
Input / Output · per 1M tokens
VS
Tencent

Hy4 preview

Tencent
$0.83 / $2.50
Input / Output · per 1M tokens
Compare different models
Google
Tencent
Verdict: Hy4 preview is 3.2× cheaper than Gemini 4 Carbon on a typical 3:1 input/output mix.
Gemini 4 CarbonHy4 preview
Input price / 1M$2.00$0.83
Output price / 1M$10.00$2.50
Blended price (3:1)$4.00$1.25
Cached input / 1M$0.10$0.042
Context window1M1M
Max output944K64K
Intelligence index60—
Coding index——
Providers76
Best provider uptime (30m)100.0%100.0%
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-11-102026-08-28
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini 4 Carbon or Hy4 preview?

Hy4 preview is 3.2× cheaper than Gemini 4 Carbon on a typical 3:1 input/output mix.

Gemini 4 Carbon vs Hy4 preview: which has a bigger context window?

Gemini 4 Carbon: 1,048,576 tokens. Hy4 preview: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 4 Carbon ≈ $9,000, Hy4 preview ≈ $2,919.

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