Gemini 3.5 Pro
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 $2.000 per million input tokens and $12.000 per million output tokens (blended $5.000/M), with a 1,000,000-token context window.
- 1M-token context
- Positioned above the Flash tier for complex reasoning
- Evaluation once generally available
Benchmarks
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See all 24 →Frequently asked questions
How much does Gemini 3.5 Pro cost?
Gemini 3.5 Pro costs $2.000 per million input tokens and $12.000 per million output tokens, for a blended reference rate of $5.000 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.