Gemini 4 Hydrogen
$1.5/Mtok inGoogle DeepMind's fast, efficient Gemini 4 model for everyday coding and agentic work: four thinking levels and a 1M-token window at one flat price.
Playground
Try it in the browser
Facts
At a glance
Availability
Live
Pricing
$1.5 / M input · $7.5 / M output · $0.075 / M cached input
Endpoint
Chat Completions
/v1/chat/completions
Context window
1,048.576k tokens
API
Call it from code
import OpenAI from "openai"
const client = new OpenAI({
baseURL: "https://api.companyfabric.com/v1",
apiKey: process.env.COMPANYFABRIC_API_KEY,
})
const res = await client.chat.completions.create({
model: "google/gemini-4-hydrogen",
max_tokens: 1024,
temperature: 0.7,
messages: [{ role: "user", content: "Say hello from the fabric." }],
})
console.log(res.choices[0].message.content)FAQ
Frequently asked questions
How much does Gemini 4 Hydrogen cost?
$1.5 / M input · $7.5 / M output · $0.075 / M cached input. The exact cost of each call is shown before you run it and metered to your prepaid balance, no subscription required.
Why use Gemini 4 Hydrogen on CompanyFabric instead of going direct?
One key and one balance across every model in the library, at pricing at parity with or below the direct API. Switching models is a one-line change.
Is Gemini 4 Hydrogen available through the OpenAI SDK?
Yes, point any OpenAI SDK at api.companyfabric.com/v1 and set model to "google/gemini-4-hydrogen".
Variants
Same family
Gemini 4 Carbon
$2/Mtok inGoogle DeepMind's strongest reasoning model, built for sustained agentic coding, multimodal knowledge work, scientific reasoning and cybersecurity defense. Introductory price until 30 November.
Added 12 Nov 2026 · text
Gemini 4 Argon
$2/Mtok inGoogle DeepMind's frontier model for long-horizon coding, legal, finance and science work, #1 on the Vals Index at launch. Introductory price until 30 November.
Added 13 Oct 2026 · text
Gemini 3.7 Flash
$0.75/Mtok inGoogle's current fast model, million-token context.
Added 30 Aug 2026 · text
Gemini 3.5 Flash
RetiredThe previous stable Flash, still current for most work.
Added 30 Aug 2026 · text
Gemini 2.5 Pro
RetiredGoogle's stable Pro tier, the non-preview reasoning model.
text
Gemini 2.5 Flash
RetiredLong-context workhorse on the stable 2.5 line.
text
Gemini 3.1 Pro (preview)
PreviewGoogle's newest Pro tier, shipped as a preview.
Added 30 Aug 2026 · text
Gemini 3 Flash (preview)
PreviewThe Gemini 3 Flash preview line.
Added 30 Aug 2026 · text
Gemini 3.8 Flash
$0.75/Mtok inGoogle's most capable Flash model, built for long-horizon software engineering and autonomous agents.
Added 11 Sep 2026 · text
Gemini 3.6 Flash
$0.75/Mtok inThe previous-generation Flash, balancing speed and multimodal work across everyday agentic tasks.
Added 11 Sep 2026 · text
Gemini 3.5 Flash-Lite
$0.3/Mtok inCost-efficient Gemini for high-volume agentic work, translation and simple data processing.
Added 11 Sep 2026 · text
Gemini 3.1 Flash-Lite
$0.25/Mtok inGoogle's cheapest text model here, for high-volume classification and extraction.
Added 11 Sep 2026 · text
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One key. Every model. Exact prices.
Run Gemini 4 Hydrogen with free starter credits. Free starter credits included, no subscription required.