Gemini 3.1 Pro API Pricing
8 available providers and 6 live price sources tracked, including 2 official provider.
Data snapshot:
30-second decision
- Lowest recorded input price: $0.2759/1M tokens
- Compare official API and relay quotes with their service terms
- Choose this model when reasoning and output quality matter more than cost; compare Terra or Luna for routine or high-volume work.
Task fit and model switching guide
Derived from official positioning and current ComputeUnion provider and pricing data.
Discount vs official API
Input-price difference for the same model; negative values are above official price.
Price composition
Input and output remain paired within each provider quote.
Capability radar
Task-fit levels derived from official positioning, not an independent benchmark.
Channel cost and evidence map
X-axis is observed example monthly cost; Y-axis is price-evidence strength.
External capability comparison for related models
Only evidence-backed related models with the same external metric are compared.
- Prices: current official and provider quotes in ComputeUnion, calculated within each provider.
- Capability: official task positioning plus safely matched Artificial Analysis metrics; neither is presented as a ComputeUnion benchmark.
- Evidence: official, live API, platform-submitted, and unreviewed quotes remain visibly separated.
Best-fit tasks
- Best suited to complex reasoning.
- Best suited to coding.
- Best suited to advanced agent workflows.
When to switch models
- Switch to Gemini 3.5 Flash when quality and complex reasoning take priority.
- Compare Gemini 3.1 Flash-Lite for batch, repeatable, or cost-sensitive workloads.
ComputeUnion market view
- ComputeUnion currently tracks 8 providers, including 2 official and 6 live price sources.
- The lowest recorded input price is 86.2% below the official input price; a lower price does not imply better reliability, limits, or refund terms.
- 1 quotes have not completed independent price-source review; verify provider terms before payment.
Task guidance is generated by fixed rules from official positioning and ComputeUnion market data; it is not an independent benchmark or guarantee.
Provider summary and buying decision
Evidence tier first, then normalized price within each tier.
| Provider / operator | Price evidence | Public operating history | Input / 1M tokens | Output / 1M tokens | API docs | Refund policy | Payment / invoice |
|---|---|---|---|---|---|---|---|
| Google AIunknown | Official price sourcePlatform page ↗Observed: | —Unknown | $2.00 | $12.00 | View docs ↗ | View policy ↗ | Prepay credits · Postpay billingunknown |
| Google Vertex AIunknown | Official price sourcePlatform page ↗Observed: | —Unknown | $2.00 | $12.00 | View docs ↗ | Not provided | visa · mastercard · gcp_creditsunknown |
| Token5U APIunknown | Live API pricePlatform page ↗Observed: | —Unknown | $0.2759 | $1.6552 | View docs ↗ | Not provided | alipay · wechatunknown |
| UiUiAPIunknown | Live API pricePlatform page ↗Observed: | —Unknown | $0.2759 | $1.6552 | View docs ↗ | Not provided | alipay · wechat · visa · mastercardunknown |
| CrazyRouterunknown | Live API pricePlatform page ↗Observed: | —Unknown | $1.10 | $6.60 | View docs ↗ | Not provided | —unknown |
| OhMyGPTunknown | Live API pricePlatform page ↗Observed: | —Unknown | $1.80 | $10.80 | View docs ↗ | Not provided | alipay · wechatunknown |
| OpenRouterunknown | Live API pricePlatform page ↗Observed: | —Unknown | $2.00 | $12.00 | View docs ↗ | Not provided | visa · mastercard · cryptounknown |
| OmniaKeyunknown | UnreviewedPlatform page ↗Observed: | —Unknown | $1.60 | $9.60 | View docs ↗ | Not provided | visa · mastercard · cryptounknown |
Platform-submitted information or domain verification does not mean the price was independently checked and is not a ComputeUnion guarantee of pricing, availability, refunds, compliance, invoices, or service quality.
Gemini 3.1 Pro price history
Observed input-price changes across providers over the last 30/90 days.
Unit: $/1M tokens
Estimate monthly cost
The estimate uses the displayed price without assuming discounts or cache hits.
FAQ
How is Gemini 3.1 Pro API priced?
Input and output tokens are billed separately. The current recorded official baseline is $2.0000 input / $12.0000 output per 1M tokens.
Which provider is cheapest for Gemini 3.1 Pro?
The lowest recorded input price is $0.2759/1M tokens from UiUiAPI; verify provider terms and the observation date before production use.
How do official and relay prices differ?
Official and relay channels can differ in price, latency, limits, and service terms; evaluate them separately for production traffic.