Google
Frontier

Gemini 3.5 Pro

Frontier

Announced but not generally available. As of late July 2026 Google described Gemini 3.5 Pro as still in partner testing, with reporting suggesting it is months behind its original schedule, Google shipped three other Gemini models in July without it. Listed here because API pricing has appeared, but treat availability as unconfirmed.

Gemini 3.5 Pro is a frontier AI model from Google. It costs $2.00 per million input tokens and $12.00 per million output tokens (blended $5.00/M), with a 1,000,000-token context window.

RatesUSD per million tokens. Blend is 70% input, 30% output, our calculation.

INPUT
$2.00/M
per million input tokens
OUTPUT
$12.00/M
per million output tokens
BLENDED 70/30
$5.00/M
unchanged since 3 May
CONTEXT
1,000,000
tokens

Hand-maintained from Google's published pricing; no check date on record.

What it is good at
  • 1M-token context
  • Positioned above the Flash tier for complex reasoning
Typical use cases
  • Evaluation once generally available

Benchmarks

No published benchmark scores tracked for this model yet. Frontier and reasoning models from major providers have scores; smaller models and inference-host variants typically inherit the underlying open-weights score.

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Frequently asked questions

How much does Gemini 3.5 Pro cost?

Gemini 3.5 Pro costs $2.00 per million input tokens and $12.00 per million output tokens, for a blended reference rate of $5.00 per million tokens.

What is Gemini 3.5 Pro's context window?

Gemini 3.5 Pro supports up to 1,000,000 tokens of context in a single request.

What is Gemini 3.5 Pro best for?

Gemini 3.5 Pro is well suited to 1M-token context, Positioned above the Flash tier for complex reasoning and Evaluation once generally available.

Who makes Gemini 3.5 Pro?

Gemini 3.5 Pro is developed and served by Google.

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