Last refreshed 2026-05-22. Next refresh: weekly.
Why use Gemma 4 31B on Vercel AI Gateway?
Vercel AI Gateway offers Gemma 4 31B with pay-as-you-go pricing at $0.14/1M input tokens. Vercel AI Gateway is a unified AI proxy providing a single OpenAI-compatible API endpoint to 275+ models from 25+ providers including Anthropic, OpenAI, Google, Meta, Mistral, DeepSeek, xAI, Alibaba, Amazon, ByteDance, Cohere, MiniMax, MoonshotAI, KwaiPilot, Black Forest Labs, Recraft, Voyage AI, NVIDIA, and more.
Setup recipe
Python + curlpip install openaiexport AI_GATEWAY_API_KEY=...import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],google/gemma-4-31b-itRequest example
import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],
base_url="https://ai-gateway.vercel.sh/v1"
)
response = client.chat.completions.create(
model="google/gemma-4-31b-it",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Gotchas
- Use provider model ID "google/gemma-4-31b-it", not the LLMReference slug "gemma-4-31b".
- creator/model-name e.g. kwaipilot/kat-coder-pro-v2
- The examples expect AI_GATEWAY_API_KEY; rename it only if your application config maps the new variable.
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.14 |
| Output tokens | $0.40 |
Capabilities
About Gemma 4 31B
Dense 31B model bridging the gap between server-grade performance and local execution. Ranks #3 on Arena AI leaderboard. Supports text, image, and video inputs with advanced reasoning.
FAQ
What does Gemma 4 31B cost on Vercel AI Gateway?
On Vercel AI Gateway, Gemma 4 31B costs $0.14 per 1M input tokens and $0.4 per 1M output tokens.
What is the context window for Gemma 4 31B on Vercel AI Gateway?
Gemma 4 31B supports a 262,144 token context window on Vercel AI Gateway.
What API model ID do I use for Gemma 4 31B on Vercel AI Gateway?
Use the model ID google/gemma-4-31b-it when calling Vercel AI Gateway's API.
Who created Gemma 4 31B?
Gemma 4 31B was created by Google DeepMind as part of the Gemma 4 model family.
Is Gemma 4 31B open source?
Gemma 4 31B is open source according to the seed data.