Is Gemma billed monthly?

No. Credit is prepaid and each request bills per token.

Can I pay for Gemma with crypto?

Yes: USDT, USDC, BTC, ETH or SOL, alongside card.

Is the Gemma AI API free?

The weights are free to download and run yourself. A hosted API bills per token; here Gemma runs on a prepaid key with no monthly fee, at the live rates in the table.

Is Gemma 4 available via API?

Yes. gemma-4-31b-it, gemma-4-26b-a4b-it and gemma-4-12b-it take the OpenAI chat format on this key; send the id as the model.

How much does the Gemma 4 API cost?

The table above is read from the catalog at render: input and output per million tokens for every Gemma id, no minimum, no subscription.

What is Gemma AI good for?

Chat, extraction, classification and summarisation where a small open model is enough and price per token matters. The 31B id handles longer reasoning; the 3n ids answer fast and cheap.

Checked 2026-10-26

Gemma API key and pricing

Gemma input, cached-input and output prices on one key, read live from the catalog. Prepaid by card or crypto, no KYC, no subscription.

Gemma 4 31B for the hardest prompts, Gemma 4 26B-A4B for most work at a lower rate, the 3n ids for short high-volume calls. Open weights, so the same model runs locally; here it runs on a prepaid key with no GPU. Every row below is a live catalog read; prices are USD per million tokens and the developer list appears where recorded.

01Every Gemma model

Model	Input	Cached	Output	Developer list in / out	Context
Gemma 3 27B	$1.20	$0.80	$1.20	—	131K tokens
Gemma 3n E2B	$0.12	input rate	$0.08	—	8K tokens
Gemma 3n E4B	$0.20	input rate	$0.16	—	8K tokens
Gemma 4 12B	$0.40	$0.20	$1.20	—	—
Gemma 4 26B-A4B	$0.56	$0.3055	$1.60	—	—
Gemma 4 31B	$3.00	$2.4546	$4.00	—	—

USD per million tokens, read from the RelaySwitch catalog when this page was built. Developer list: the catalog's record of the developer's own price.

02Which model should I use?

Gemma 4 31B for the hardest prompts, Gemma 4 26B-A4B for most work at a lower rate, the 3n ids for short high-volume calls. Open weights, so the same model runs locally; here it runs on a prepaid key with no GPU. Compare the worked models below before choosing for production.

03Worked models

Gemma 4 31B — 3.0000 input / 4.0000 output per million tokens.
Gemma 4 26B-A4B — 0.5600 input / 1.6000 output per million tokens.
Gemma 3 27B — 1.2000 input / 1.2000 output per million tokens.

Questions

Is Gemma billed monthly?: No. Credit is prepaid and each request bills per token.
Can I pay for Gemma with crypto?: Yes: USDT, USDC, BTC, ETH or SOL, alongside card.
Is the Gemma AI API free?: The weights are free to download and run yourself. A hosted API bills per token; here Gemma runs on a prepaid key with no monthly fee, at the live rates in the table.
Is Gemma 4 available via API?: Yes. gemma-4-31b-it, gemma-4-26b-a4b-it and gemma-4-12b-it take the OpenAI chat format on this key; send the id as the model.
How much does the Gemma 4 API cost?: The table above is read from the catalog at render: input and output per million tokens for every Gemma id, no minimum, no subscription.
What is Gemma AI good for?: Chat, extraction, classification and summarisation where a small open model is enough and price per token matters. The 31B id handles longer reasoning; the 3n ids answer fast and cheap.