AI Model Watch
Models / Google

Gemini 3.1 Pro Preview

Preview

Output modality: text only. Tiered pricing by prompt size: input $2.00 (<=200k tokens) / $4.00 (>200k); output $12.00 (<=200k) / $18.00 (>200k); cached input $0.20 (<=200k) / $0.40 (>200k) per 1M tokens. The values shown here are the <=200k tier. gemini-3-pro-preview alias now points to this model (the original gemini-3-pro-preview was shut down 2026-03-09). Preview/not-stable; may change. Source pages also include ai.google.dev/gemini-api/docs/pricing and /deprecations.

Provider
Google
Status
Preview
Input price
$2 / 1M tokens
Output price
$12 / 1M tokens
Cached input
$0.2 / 1M tokens
Blended price
$4.50 / 1M tokens
Context window
1,048,576 tokens (1.0M)
Max output
65,536 tokens
Modality
text, image, video, audio, pdf
Knowledge cutoff
2025-01
Released
Feb 2026
API string
gemini-3.1-pro-preview

Source: Google official documentation ↗

See also

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