gemini-3.1-pro-preview

1486 Score third-party Elo · arena.ai / LMArena ?

Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...

LLM & Generative AI 1 model 3 listings snapshot Oct 14, 2026, 12:43 AM

Platforms

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Cheapest OpenRouter official $2.00 -50.0% vs official Input$1.00 Output$6.00 per 1M tokens Fastest OpenRouter lowest p50 latency on this board 128.1 ms p50 Most free quota — largest published free allowance — free tier

Model variants

W3r9 dedup — same model + identical tags merge; prices are listed per billing form

Model	Provider	Tags	Input /1M	Output /1M
google/gemini-3.1-pro-preview	OpenRouter	1M contextmultimodalreasoning	$2.00	$12.00
google/gemini-3.1-pro-preview:batch :batch	OpenRouter	1M contextmultimodalreasoning	$1.00	$6.00
gemini-3.1-pro-preview	Google Gemini	1M contextmultimodalreasoning	$2.00	$12.00

Capabilities

official design_arena & architecture metadata

Design Arena Elo official design_arena benchmark (OpenRouter)

svg 1285 · 67.8% wr
uicomponent 1282 · 69.4% wr
asciiart 1272 · 63.5% wr
website 1255 · 64.4% wr
codecategories 1246 · 64.4% wr
dataviz 1240 · 61.8% wr
godotgamedev 1236 · 60.0% wr
3d 1235 · 58.4% wr
agentichtmlslides 1226 · 55.8% wr
agenticslides(html) 1219 · 54.4% wr
gamedev 1207 · 52.1% wr
htmlslides 1153 · 48.6% wr

Input / Output modalities modality: text+image+file+audio+video->text

text in+out
image input only
video input only
audio input only

Platform details

per provider

provider	model	Input /1M	Output /1M	Latency ?	Official $/1M	Availability	Data time
Google Gemini Official	gemini-3.1-pro-preview	$2.00	$12.00	—	$2.00	—	2026-10-14 00:43:44
OpenRouter	google/gemini-3.1-pro-preview	$2.00	$12.00	128.1 ms	$2.00	100% available	2026-10-14 00:43:21

2 rows · snapshot 2026-10-14 00:43:44 · from data/public/prices.json + measurements.json