Preview of Gemini 3.1 Pro with enhanced capabilities and reasoning.
LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.
Preview of Gemini 3.1 Pro with enhanced capabilities and reasoning. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.
Pricing for Gemini 3.1 Pro (Preview) on LLM Gateway starts at $2.00 per million input tokens and $12.00 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.
Gemini 3.1 Pro (Preview) supports a context window of up to 1,048,576 tokens on its largest provider deployment.
Gemini 3.1 Pro (Preview) is served by Google AI Studio, Google Vertex AI, Quartz through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.
Yes. Gemini 3.1 Pro (Preview) supports both tool (function) calling and structured JSON outputs through LLM Gateway.
Gemini 3.1 Pro (Preview) was released on February 19, 2026.
Gemini 3.5 Flash Lite
1,048,576 context$0.30 in / $2.50 out per 1M
Gemini 3.6 Flash
1,048,576 context$1.50 in / $7.50 out per 1M
Gemini 3.1 Flash Lite Image
65,536 context$0.25 in / $1.50 out per 1M
Gemini 3.5 Flash
1,048,576 context$1.50 in / $9.00 out per 1M
Gemini 3.1 Flash Lite
1,048,576 context$0.25 in / $1.50 out per 1M
Gemini Embedding 2
8,192 context$0.20 in / $0.00 out per 1M