Google: Gemini 3.1 Pro Preview.
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 mu
No self-host path — closed weights.
Google: Gemini 3.1 Pro Preview's weights aren't published. Use it via the access providers below.
Cheapest hosted endpoints.
| Provider | Access | $/M in | $/M out | |
|---|---|---|---|---|
| OpenRouter | api aggregator | $2.0 | $12.0 | Launch ↗ |
Speed across providers.
Tokens/sec and time-to-first-token measured against the same prompt template on each provider's API.
| Provider | Tokens/sec | TTFT | Total |
|---|---|---|---|
| OpenRouter | 88.2 | 5298 ms | 5627 ms |
Frequently asked.
How do I run Google: Gemini 3.1 Pro Preview?
Where can I access Google: Gemini 3.1 Pro Preview?
How much does it cost to run Google: Gemini 3.1 Pro Preview?
Is Google: Gemini 3.1 Pro Preview open-source or proprietary?
What it costs per month across providers.
Estimate your monthly bill for Google: Gemini 3.1 Pro Preview across every host that publishes per-token pricing. Slide your token volumes; the chart + table re-rank cheapest-first.
Cheapest provider on the left.
Total monthly cost — input + output tokens combined.
Bill breakdown.
| Provider | Monthly total | |
|---|---|---|
| $44.0 | Sign up ↗ |