Gemini 4 Hydrogen
Google · text → text
Gemini 4 Hydrogen is a reported Gemini language model undergoing internal testing at Google, with a focus on fast responses and efficiency.
InputPrice TBD
OutputPrice TBD
← ModelsGemini 4 Hydrogen
Kimi K3
Gemini 4 Hydrogen vs Kimi K3
Compare Gemini 4 Hydrogen from Google and Kimi K3 from Moonshot AI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.
Gemini 4 HydrogenKimi K3+ Add model · 2/4
Kimi K3
Moonshot AI · text, image, video → text
Kimi K3 is Kimi’s flagship model for long-horizon coding and end-to-end knowledge work, with a 1M-token context window and industry-leading intelligence.
Input$2.84 /M
Output$14.2 /M
Cache read$0.284 /M
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
Gemini 4 Hydrogen
Kimi K3
Input /M
Price TBD
$2.84
Output /M
Price TBD
$14.2
Cache read /M
-
$0.284
Context length
0
1,048,576
Max output
0
1,048,576
Time to First Token
-
0.5 s
Throughput
-
73.1 tok/s
Modalities
text
textimagevideo
Supported Parameters
thinkingfunction callingstructured outputs
API Formats
Released
November 12, 2026
July 16, 2026
Promotional prices show the discounted rate; see each model page for promotion windows.
Activity Past 30 Days
Daily traffic served through AIHubMix — how demand for each model is trending.
gemini-4-hydrogenkimi-k3
Tokens / day
-
Requests / day
-
Performance Past 3 Days
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
gemini-4-hydrogenkimi-k3
Throughput (tok/s)
-
TTFT (s)
-
Uptime (%)
-
Cost calculator
Estimate your monthly bill for the same workload on each model.
Kimi K3
$383 /mo
Gemini 4 Hydrogen
Price TBD
Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
What inputs and capabilities does each model support?
Gemini 4 Hydrogen accepts text input; Kimi K3 accepts text, image and video input and supports thinking, function calling and structured outputs.
Can I call Gemini 4 Hydrogen and Kimi K3 with the same API key?
Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.
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