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Gemini

Google: Gemini 3.1 Pro Preview

Chat
google/gemini-3.1-pro-preview

Gemini 3.1 Pro is the next generation in the Gemini series of models, a suite of highly-capable, natively multimodal, reasoning models. Gemini 3 Pro is now Google’s most advanced model for complex tasks, and can comprehend vast datasets, challenging problems from different information sources, including text, audio, images, video, and entire code repositories

Context Window
1M
Max Output Tokens
66K
Released
2026-02-19
Capabilities
VisionFunction CallingReasoningPrompt CachingWeb SearchAudio InputVideo InputPDF Input
Available Providers
GoogleCloudVertex
Supported Protocols
OpenAIopenaiGeminigemini

Providers

GoogleCloudVertex
Input Tokens
$2/M
Output Tokens
$12/M
Cache Read
$0.2/M
Cache Write
$4.5/M
Audio Input
$2/M
Cached Audio
$0.2/M
Web Search
$0.014/R
Protocols
OpenAIopenai/v1/chat/completions
Geminigemini

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Code Examples

from google import genai
client = genai.Client(
api_key="YOUR_OFOX_API_KEY",
http_options={"api_version": "v1beta", "base_url": "https://api.ofox.io/gemini"},
)
response = client.models.generate_content(
model="google/gemini-3.1-pro-preview",
contents="Hello!",
)
print(response.text)

Uptime & Status

Benchmarks

LMArenaEvaluated as gemini-3.1-pro-preview

Google: Gemini 3.1 Pro Preview scores 1486 in the Overall category of the LMArena text leaderboard (style control), ranking #9 of 374 models based on 79,682 human preference votes (updated 2026-07-12).

Benchmark scores for gemini-3.1-pro-preview on LMArena
CategoryArena Score95% CIRankVotes
Overall148614821489#9 of 37479,682
Hard Prompts150615021511#9 of 37450,878
Coding152115151527#18 of 36921,775
Math149114811501#12 of 3624,320
Creative Writing147814721485#8 of 37213,330
Instruction Following148114761486#10 of 37426,008
Chinese152715171538#11 of 3444,170

Source: LMArena · CC BY 4.0 · Updated 2026-07-12 · Methodology · Ranks compare models within each category of the LMArena text leaderboard (style control). Scores come from third-party human preference evaluations, not from OFOX.

Frequently Asked Questions

Google: Gemini 3.1 Pro Preview on Ofox.ai costs $2/M per million input tokens and $12/M per million output tokens. Pay-as-you-go, no monthly fees.