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Last scan 2026-08-01 Models tracked 187 Providers 28 Cheapest paid Granite 4.0 Micro $0.017/Mtok in Every price links to its source

Gemini 3 Pro Image vs Gemini 3.1 Flash Image

Side-by-side comparison of API pricing, specs, benchmarks, and capabilities

Gemini 3.1 Flash Image is 51.2% cheaper on blended cost ($15.38 vs $31.50/Mtok)
Specification
Overview
StatusCurrent image Current image
Released May 28, 2026 May 28, 2026
Pricing per million tokens
Input $2.00/Mtok $0.500/Mtok
Output $120.00/Mtok $60.00/Mtok
Blended avg $31.50/Mtok $15.38/Mtok
Specifications
Context window tokens tokens
Parameters Proprietary Proprietary
Speed (TPS)
Modalities
Input
textimage
textimage
Providers
Available from
Google — $2.00/$120.00/Mtok
Google — $0.500/$60.00/Mtok

Cost at scale

1M tokens · 50/50 input/output
Projected cost of Gemini 3 Pro Image vs Gemini 3.1 Flash Image at increasing token volumes
VolumeGemini 3 Pro ImageGemini 3.1 Flash ImageSavings
1M tokens $31.5 $15.38 $16.13 (51.2%)
10M tokens $315 $153.75 $161.25 (51.2%)
100M tokens $3150 $1537.5 $1612.5 (51.2%)
1000M tokens $31500 $15375 $16125 (51.2%)

When to pick which

distilled from the pricing and spec data above
Pick Gemini 3 Pro Image if…
  • this pairing gives Gemini 3 Pro Image no edge on price, context, cache discount, or measured performance — pick it only for qualitative fit (ecosystem, compliance, model behavior on your prompts)
Pick Gemini 3.1 Flash Image if…
  • cost dominates: $15.38/Mtok blended vs $31.50 — 51.2% less on the same 50/50 token mix
Try Gemini 3.1 Flash Image on Google

The cheaper option here — Gemini 3.1 Flash Image costs $15.38/Mtok blended on Google.

Get API key →

Summary

Gemini 3 Pro Image by Google costs $2.00/Mtok input and $120.00/Mtok output. It supports text, image input.

Gemini 3.1 Flash Image by Google costs $0.500/Mtok input and $60.00/Mtok output. It supports text, image input.

On a blended cost basis, Gemini 3.1 Flash Image is 51.2% cheaper than Gemini 3 Pro Image.

Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.

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