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Google: Gemma 4 31B (free): AI model

Gemma 4 31B (free) is a Google multimodal model for reasoning, coding and everyday chat, with a 262K-token context window. Available via Hormouz with stable access from inside Iran.

Context window:
262,144 tokens
Pricing:
$0.00/M in · $0.00/M out
Type:
text, image, video
  • Vision
  • Tools
  • Streaming
  • Long context

Thinking levels:

Gemma 4 31B (free) is a Google Gemma-family model built for reasoning, coding, mathematics and general chat. It supports configurable "thinking" (reasoning effort levels) so you can trade cost and latency for accuracy on hard tasks. It accepts images, text and video and returns text, with a context window of up to 262K tokens.

Its multimodal input makes it suitable for document understanding, chart and image analysis, and workflows that mix text with images and video. With thinking enabled it is stronger on multi-step reasoning; with thinking minimal it responds quickly and cheaply.

This endpoint is free (rate-limited). Gemma 4 31B (free) is served through Hormouz behind an OpenAI-compatible API, with stable access from inside Iran.

Gemma 4 31B Instruct is Google DeepMind's 30.7B dense multimodal model supporting text and image input with text output. Features a 256K token context window, configurable thinking/reasoning mode, native function...

Quickstart

curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemma-4-31b-it:free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Specs

VendorGoogle
TypeText, Image, Video
Context window262,144 tokens
Pricing$0.00/M in · $0.00/M out
APIChat Completions
CapabilitiesStreaming · Vision · Tools

Benchmarks

33.2
Coding Index
Better than 35% of models we compared

Reasoning

GPQA Diamond
Graduate-level scientific reasoning
76.3%
HLE
Humanity's Last Exam
11.8%
IFBench
Instruction-following
53.5%
AA-LCR
Long-context reasoning
46.7%
CritPt
Research-level physics reasoning
0%
AA Omniscience
Broad factual knowledge accuracy
16.6%
Non-Hallucination
Rate of avoiding fabricated answers
18.1%

Coding

Terminal-Bench Hard
Agentic coding & terminal use
30.3%

Agentic

τ²-Bench
Tool-use agents in dual-control scenarios
65.5%
GDPval
Economically valuable tasks
2.5%

Source: Artificial Analysis

Code example

cURL
curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemma-4-31b-it:free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
Python
from openai import OpenAI
client = OpenAI(api_key="ng-YOUR_API_KEY", base_url="https://api.hormouz.net/v1")
response = client.chat.completions.create(
    model="google/gemma-4-31b-it:free",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)
JavaScript
import OpenAI from "openai";
const client = new OpenAI({ apiKey: "ng-YOUR_API_KEY", baseURL: "https://api.hormouz.net/v1" });
const response = await client.chat.completions.create({
  model: "google/gemma-4-31b-it:free",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Buy the Google: Gemma 4 31B (free) API, paid in rial

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  • One Hormouz key reaches Google: Gemma 4 31B (free) and 600+ other models, and you pay only for what you use.
  • No VPN and no risk of a banned account; just change the base URL to api.hormouz.net/v1.
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FAQ

What inputs does Gemma 4 31B (free) accept?
It accepts images, text and video and returns text. Reasoning effort ("thinking") is configurable.
What is the context window of Gemma 4 31B (free)?
Up to 262K tokens, suitable for long documents and multi-turn conversations.
How much does Gemma 4 31B (free) cost?
This endpoint is free (rate-limited).
How does Gemma 4 31B (free) perform on benchmarks?
Independent scores from Artificial Analysis are shown in the Benchmarks section above, grouped by reasoning, coding and agentic tasks.
How do I access Gemma 4 31B (free) from inside Iran?
Create an account on Hormouz and generate an API key. Hormouz provides stable access from inside Iran via an OpenAI-compatible API.

Updated 2026-10-13