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Gemini 3.1 Pro Preview Pricing, Specs & Alternatives
Prompts over 200K cost $4 in, $18 out.
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Questions
How much does Gemini 3.1 Pro Preview cost
Gemini 3.1 Pro Preview lists $2 per 1M input tokens and $12 per 1M output tokens, checked Nov 9, 2026 on ai.google.dev.
When was Gemini 3.1 Pro Preview released
Feb 19, 2026, per aistudio.google.com.
What is the Gemini 3.1 Pro Preview context window
1,048,576 input tokens, per ai.google.dev, read Nov 9, 2026.
Who makes Gemini 3.1 Pro Preview
Google.
What are alternatives to Gemini 3.1 Pro Preview
Claude Sonnet 5.5, DeepSeek V4 Pro, Gemini 3.6 Flash, Gemini 3.8 Flash, GPT-5.6 Terra.
Head to head
All comparisons- Claude Sonnet 5.5 vs Gemini 3.1 Pro Preview: Gemini 3.1 Pro Preview $2 / $12 vs Claude Sonnet 5.5 $2 / $10 per 1M tokens in / out.
- Gemini 3.1 Pro Preview vs GPT-5.6 Terra: Gemini 3.1 Pro Preview $2 / $12 vs GPT-5.6 Terra $2 / $12 per 1M tokens in / out.
- Gemini 3.1 Pro Preview vs GPT-6.1 Sol: Gemini 3.1 Pro Preview $2 / $12 vs GPT-6.1 Sol $2 / $10 per 1M tokens in / out.