Gemini 3.5 Flash vs Hy4

Price, context window & benchmark comparison

Google

Gemini 3.5 Flash

Google
$1.50 / $9.00
Input / Output · per 1M tokens
VS
Tencent

Hy4

Tencent
$0.42 / $1.25
Input / Output · per 1M tokens
Compare different models
Google
Tencent
Verdict: Hy4 is 5.4× cheaper than Gemini 3.5 Flash on a typical 3:1 input/output mix.
Gemini 3.5 FlashHy4
Input price / 1M$1.50$0.42
Output price / 1M$9.00$1.25
Blended price (3:1)$3.38$0.63
Cached input / 1M$0.15$0.021
Context window1M1M
Max output66K66K
Intelligence index—34.6
Coding index70.1—
Providers—1
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-05-192026-11-04
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini 3.5 Flash or Hy4?

Hy4 is 5.4× cheaper than Gemini 3.5 Flash on a typical 3:1 input/output mix.

Gemini 3.5 Flash vs Hy4: which has a bigger context window?

Gemini 3.5 Flash: 1,048,576 tokens. Hy4: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 3.5 Flash ≈ $7,500, Hy4 ≈ $1,459.

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