Gemini 3.1 Pro Preview API Provider Benchmarking & Analysis
This analysis is intended to support you in choosing the best API provider of Gemini 3.1 Pro Preview for your use-case.
Lowest Time per Task
Time per Intelligence Index task (minutes)
Total 2 providers
Lowest Cost per Task
Cost per Intelligence Index task
Total 2 providers
Gemini 3.1 Pro Preview is available through 2 API providers, each offering different performance characteristics and pricing. Below is a comparison of the key metrics across providers.
Pricing
Cost per Intelligence Index Task: Gemini 3.1 Pro Preview
Pricing: Cache Hit, Input, and Output: Gemini 3.1 Pro Preview
Output Speed vs. Cost per Task: Gemini 3.1 Pro Preview
Speed
Average of the single-request and multi-turn agentic workloads measured
Output Speed: Gemini 3.1 Pro Preview
Latency
Average of the single-request and multi-turn agentic workloads measured
Time to First Answer Token: Gemini 3.1 Pro Preview
Reliability
Share of requests the endpoint failed, across all the single-request and multi-turn agentic workloads measured
Endpoint Error Rate: Gemini 3.1 Pro Preview
Caching
Cache Hit Rate: Gemini 3.1 Pro Preview
Cost per Task vs. Cache Hit Rate: Gemini 3.1 Pro Preview
Key Comparison Metrics & API Features
Frequently Asked Questions
Common questions about Gemini 3.1 Pro Preview providers
Gemini 3.1 Pro Preview is available through 2 API providers: Google (Vertex) and Google (AI Studio). Each provider offers different performance characteristics and pricing.
Gemini 3.1 Pro Preview is currently available through 2 API providers that we benchmark and track.
The providers with the lowest time to first answer token for Gemini 3.1 Pro Preview are Google (AI Studio) (18.17s) and Google (Vertex) (21.03s). Lower latency means faster initial response time.
The most affordable providers for Gemini 3.1 Pro Preview by blended price are Google (Vertex) ($1.74 per 1M tokens) and Google (AI Studio) ($1.74 per 1M tokens). Blended price uses a 7:2:1 cache hit/input/output token ratio.
The providers with the lowest input token pricing for Gemini 3.1 Pro Preview are Google (Vertex) ($2.00 per 1M input tokens) and Google (AI Studio) ($2.00 per 1M input tokens).
The providers with the lowest output token pricing for Gemini 3.1 Pro Preview are Google (Vertex) ($12.00 per 1M output tokens) and Google (AI Studio) ($12.00 per 1M output tokens).
All 2 providers of Gemini 3.1 Pro Preview support JSON mode for structured output.
All 2 providers of Gemini 3.1 Pro Preview support function calling (tool use).
When choosing a provider for Gemini 3.1 Pro Preview, consider: time per task (how quickly the provider completes an Intelligence Index task), latency (for interactive applications requiring quick first responses), pricing (for cost-sensitive workloads), and API features like JSON mode or function calling.
Yes, provider performance can vary over time due to infrastructure changes, load balancing, and updates. We continuously benchmark all providers and display historical performance trends in the "Over Time" charts.
For information about Gemini 3.1 Pro Preview's intelligence, capabilities, modalities, and how it compares to other models, see the model overview page. View model overview