Last refreshed 2026-06-29. 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.
Compare Gemma 4 31B across 2 providers to find the best fit for your use caseInput / 1M
$0.14
Output / 1M
$0.40
Cache
Not sourced
Batch
Not sourced
Setup recipe
Python + curlInstall
pip install openaiAuth
export AI_GATEWAY_API_KEY=...Call
import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],Model ID
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.
Compare Gemma 4 31B Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Vercel AI Gateway | $0.14 | $0.40 |
| AWS Bedrock | — | — |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.14 |
| Output tokens | $0.40 |
Capabilities
VisionMultimodalJSON / Tool use
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.
Get Started
Model Specs
Released2026-03-31
Parameters31B
Context256k
Knowledge cutoff2025-01