How much does Gemini 3.1 Pro Preview cost?

Gemini 3.1 Pro Preview costs $2.00 per 1M input tokens and $12.00 per 1M output tokens. Prices are sourced from official Google documentation.

Is Gemini 3.1 Pro Preview available via API?

Yes. Gemini 3.1 Pro Preview is available via the Gemini API. Tickerr monitors its uptime and latency every 5 minutes.

Tickerr / Pricing / Gemini / Gemini 3.1 Pro Preview

Operational· provider status page

Input

$2.00

Output

$12.00

Cached input

$0.20

Batch input

—

Effective from Apr 30, 2026. Source: official provider documentation.

Estimated monthly cost · 70% input / 30% output split

cheapestGemini 3.5 Flash Lite$0.960

Gemini 3.7 Flash$1.65

Gemini Robotics Er 1.6 Preview$2.20

Gemini Robotics Er 2 Streaming Preview$4.40

Gemini Robotics Er 2 Preview$4.40

Gemini 3.1 Pro Preview$5.00