Last refreshed 2026-05-22. Next refresh: weekly.
Why use Gemini 3 Pro Preview on Vercel AI Gateway?
Vercel AI Gateway offers Gemini 3 Pro Preview with pay-as-you-go pricing at $2.00/1M 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 Gemini 3 Pro Preview across 2 providers to find the best fit for your use caseSetup 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/gemini-3-pro-previewRequest 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/gemini-3-pro-preview",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Gotchas
- Use provider model ID "google/gemini-3-pro-preview", not the LLMReference slug "gemini-3-pro-preview".
- 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 Gemini 3 Pro Preview Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| GCP Vertex AI | $2.00 | $12.00 |
| Vercel AI Gateway | $2.00 | $12.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $2.00 |
| Output tokens | $12.00 |
| Query | $14.00 |
Capabilities
About Gemini 3 Pro Preview
Deprecated/shut down March 9, 2026. Vertex: $0.20/$12.00 (<=200K), $0.40/$18.00 (>200K). Migrate to Gemini 3.1 Pro.
FAQ
What does Gemini 3 Pro Preview cost on Vercel AI Gateway?
On Vercel AI Gateway, Gemini 3 Pro Preview costs $2 per 1M input tokens and $12 per 1M output tokens.
What is the context window for Gemini 3 Pro Preview on Vercel AI Gateway?
Gemini 3 Pro Preview supports a 1,000,000 token context window on Vercel AI Gateway.
How does Vercel AI Gateway compare to other Gemini 3 Pro Preview providers?
Gemini 3 Pro Preview is available from 2 providers. The cheapest input pricing is $2.00/1M tokens from GCP Vertex AI.
What API model ID do I use for Gemini 3 Pro Preview on Vercel AI Gateway?
Use the model ID google/gemini-3-pro-preview when calling Vercel AI Gateway's API.
Who created Gemini 3 Pro Preview?
Gemini 3 Pro Preview was created by Google DeepMind as part of the Gemini 3 model family.
Is Gemini 3 Pro Preview open source?
Gemini 3 Pro Preview is not open source; the seed data lists it as proprietary.