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OpenKey

Gemma 3 4B

GoogleReleased Mar 13, 2025

Gemma 3 introduces multimodality, supporting vision-language input and text outputs. It handles context windows up to 128k tokens, understands over 140 languages, and offers improved math, reasoning, and chat capabilities,...

Try in playground
Context window
131K tokens
Max output
16K tokens
Input
text, image
Output
text
Tokenizer
Gemini
Knowledge cutoff
Aug 31, 2024
Released
Mar 13, 2025

Pricing

Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.

Per 1M tokensProvider+ 3% feeYou pay
Input$0.050$0.0015$0.052
Output$0.100$0.0030$0.103

Supported parameters

  • frequency_penalty
  • logit_bias
  • max_tokens
  • min_p
  • presence_penalty
  • repetition_penalty
  • response_format
  • seed
  • stop
  • structured_outputs
  • temperature
  • top_k
  • top_p

Call it

OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model google/gemma-3-4b-it.

Code sample language
curl https://api.openkey.ai/v1/chat/completions \
  -H "Authorization: Bearer $OPENKEY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemma-3-4b-it",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.openkey.ai/v1",
    api_key=os.environ["OPENKEY_API_KEY"],
)

completion = client.chat.completions.create(
    model="google/gemma-3-4b-it",
    messages=[{"role": "user", "content": "Hello"}],
)
print(completion.choices[0].message.content)
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.openkey.ai/v1",
  apiKey: process.env.OPENKEY_API_KEY,
});

const completion = await client.chat.completions.create({
  model: "google/gemma-3-4b-it",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does Gemma 3 4B cost via API?
Through OpenKey, Gemma 3 4B costs $0.052 per 1M input tokens and $0.103 per 1M output tokens. That is the provider price ($0.050 / $0.100) plus a flat 3% fee — nothing else.
What is Gemma 3 4B's context window?
Gemma 3 4B accepts up to 131K tokens of context and returns up to 16K tokens per request.
Is Gemma 3 4B OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "google/gemma-3-4b-it" using any OpenAI SDK — only the base URL and API key change.
What inputs does Gemma 3 4B support?
Gemma 3 4B accepts text, image input and produces text output. Its knowledge cutoff is Aug 31, 2024.

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