Google: Gemini 3.1 Pro Preview
google/gemini-3.1-pro-preview-20260219
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...
Google: Gemini 3.1 Pro Preview usage over time
OpenRouter share of tokens, by day.
Google: Gemini 3.1 Pro Preview holds 0.19% today, down from 0.30% at the start of the visible window.
Rank history
Adoption curve vs the pantheon
Google: Gemini 3.1 Pro Preview's share plotted against days since first tracked, overlaid on other current leaders on the same axis. The question every new-model page asks: is this one going to make it?
Citable stat
As of 2026-09-01, Google: Gemini 3.1 Pro Preview holds 0.2% of OpenRouter token share, down 0.02pp over 30 days. Source: Tidelines (OpenRouter).
Cost per session
Median dollars spent on one Google: Gemini 3.1 Pro Preview session, by coding agent and session length.
Token rate sets the price; session length and reasoning set the bill.
| Agent | 1 turn | 2–9 turns | 10–49 turns | 50+ turns |
|---|---|---|---|---|
| Hermes Agent | $0.048 | $0.114 | $0.650 | $3.49 |
Where to run it
Google: Gemini 3.1 Pro Preview pricing by provider
Per-provider pricing, context, and uptime via OpenRouter. Sorted by output price.
Google: Gemini 3.1 Pro Preview is served by 6 tracked endpoints on OpenRouter. The cheapest output price is $6.00 per million tokens from Google · 1049k, and the most expensive is $21.60 from Google AI Studio · 1049k. The largest context window offered is 1049k tokens. Prices are list rates and refresh daily.
| Provider | Input $/M | Output $/M | Context | Uptime |
|---|---|---|---|---|
| Google · 1049k | $1.00 | $6.00 | 1049k | — |
| Google AI Studio · 1049k | $1.00 | $6.00 | 1049k | 100.00% |
| Google · 1049k | $2.00 | $12.00 | 1049k | 99.50% |
| Google AI Studio · 1049k | $2.00 | $12.00 | 1049k | 99.90% |
| Google · 1049k | $3.60 | $21.60 | 1049k | — |
| Google AI Studio · 1049k | $3.60 | $21.60 | 1049k | 100.00% |