Gemini 3.1 Pro preview, 200K+ 上下文 + thinking
Model ID: gemini-3.1-pro-preview · Type: chat · Provider: Google
Endpoints: /v1/chat/completions · /v1/messages
| Input (per 1M tokens) | $1.5 USD |
| Output (per 1M tokens) | $9 USD |
| Cache read (per 1M tokens) | $0.15 USD |
| ≤ 200000 tokens | $1.5 / 1M in | $9 / 1M out |
| > 200000 | $3 / 1M in | $13.5 / 1M out |
from openai import OpenAI
client = OpenAI(api_key="sk-...", base_url="https://api.router.ai/v1")
resp = client.chat.completions.create(
model="gemini-3.1-pro-preview",
messages=[{"role": "user", "content": "Hello"}],
)
print(resp.choices[0].message.content)Gemini 3.1 Pro Preview (`gemini-3.1-pro-preview`) is billed per usage at $1.5/1M in · $9/1M out, in USD. Current pricing is always listed at https://opencrow.ai/models/gemini-3.1-pro-preview.
Send a request to https://api.router.ai/v1/v1/chat/completions with the header `Authorization: Bearer <your API key>` and `"model": "gemini-3.1-pro-preview"`. The API is OpenAI-compatible, so any OpenAI SDK works by changing base_url to https://api.router.ai/v1 — no other code change.
Gemini 3.1 Pro Preview can be called on: /v1/chat/completions; /v1/messages.
Gemini 3.1 Pro Preview accepts up to 1,048,576 input tokens and can return up to 65,536 output tokens. Requests exceeding the input limit are rejected before reaching the model.
Gemini 3.1 Pro Preview supports: vision, function_calling, prompt_caching, audio_input, thinking, long_context, cache.
Gemini 3.1 Pro Preview is a chat model from Google, available through the OpenCrow gateway with the same API key as every other model.
Call it through the OpenCrow OpenAI-compatible endpoint (API base: https://api.router.ai/v1). AI agents can discover and call every model on this gateway through MCP (https://mcp.router.ai/mcp) with no manual integration.