Gemini 4 Hydrogen vs Kimi K3.1 Pro

Price, context window & benchmark comparison

Google

Gemini 4 Hydrogen

Google
$1.50 / $7.50
Input / Output · per 1M tokens
VS
Moonshot AI

Kimi K3.1 Pro

Moonshot AI
$0.24 / $8.41
Input / Output · per 1M tokens
Compare different models
Google
Moonshot AI
Verdict: Kimi K3.1 Pro is 24% cheaper than Gemini 4 Hydrogen on a typical 3:1 input/output mix.
Gemini 4 HydrogenKimi K3.1 Pro
Input price / 1M$1.50$0.24
Output price / 1M$7.50$8.41
Blended price (3:1)$3.00$2.28
Cached input / 1M$0.075$0.20
Context window1M1M
Max output944K944K
Intelligence index—46.5
Coding index——
Providers723
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-11-122026-10-23
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini 4 Hydrogen or Kimi K3.1 Pro?

Kimi K3.1 Pro is 24% cheaper than Gemini 4 Hydrogen on a typical 3:1 input/output mix.

Gemini 4 Hydrogen vs Kimi K3.1 Pro: which has a bigger context window?

Gemini 4 Hydrogen: 1,048,576 tokens. Kimi K3.1 Pro: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 4 Hydrogen ≈ $6,750, Kimi K3.1 Pro ≈ $4,681.

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