All models

Nano Banana Pro (Gemini 3 Pro Image) vs Nano Banana Pro (Gemini 3 Pro Image Preview)

Nano Banana Pro (Gemini 3 Pro Image) at $2.30 in and $13.80 out and Nano Banana Pro (Gemini 3 Pro Image Preview) at $2.30 in and $13.80 out — per million tokens, from the same wallet.

Nano Banana Pro (Gemini 3 Pro Image)

Google

2.3¢

for a client proposal

$2.30 in · $13.80 out / 1M

66K context · released 2 months ago

Full page →

Nano Banana Pro (Gemini 3 Pro Image Preview)

Google

2.3¢

for a client proposal

$2.30 in · $13.80 out / 1M

66K context · released November 2025

Full page →

Asking all both at once — identical prompt, identical context — costs about 4.5¢ for a typical client proposal.

At a glance

  • All 2 cost the same on input.
  • Identical context windows: 66K tokens each.

Cost per task

Estimated totals at the rates above. Solid bar is input, lighter bar is output.

Quick code fix

2K in · 500 out
Nano Banana Pro (Gemini 3 Pro Image)
1.1¢
Nano Banana Pro (Gemini 3 Pro Image Preview)
1.1¢

Draft a client proposal from notes

5K in · 800 out
Nano Banana Pro (Gemini 3 Pro Image)
2.3¢
Nano Banana Pro (Gemini 3 Pro Image Preview)
2.3¢

Context-heavy session (Alyph workspace)

155K in · 4K out
Nano Banana Pro (Gemini 3 Pro Image)
needs 155K ctx
Nano Banana Pro (Gemini 3 Pro Image Preview)
needs 155K ctx

Analyze a 50-page legal contract

35K in · 1K out
Nano Banana Pro (Gemini 3 Pro Image)
$0.09
Nano Banana Pro (Gemini 3 Pro Image Preview)
$0.09

Large architecture refactor

250K in · 3K out
Nano Banana Pro (Gemini 3 Pro Image)
needs 250K ctx
Nano Banana Pro (Gemini 3 Pro Image Preview)
needs 250K ctx

Solid part of each bar is input tokens, the lighter part is output. Models that don’t fit a task are marked instead of priced.

Cost vs Token Amount

Drag the slider to adjust the split between input and output workload.

80% Input20% Output
free$2.30$4.600 tokens250k500k750k1000k
Nano Banana Pro (Gemini 3 Pro Image)
Nano Banana Pro (Gemini 3 Pro Image Preview)

Adjust the ratio slider to change how output tokens influence the final price for equivalent workloads.

Pricing

Nano Banana Pro (Gemini 3 Pro Image)
Nano Banana Pro (Gemini 3 Pro Image Preview)
Input / 1M tokens
$2.30
$2.30
Output / 1M tokens
$13.80
$13.80
Cached input / 1M
$0.230
$0.230
Web search
1.6¢ / search
1.6¢ / search

Specs

Nano Banana Pro (Gemini 3 Pro Image)
Nano Banana Pro (Gemini 3 Pro Image Preview)
Provider
Released
2 months ago
November 2025
Context window
66K
66K
Max output
33K
33K
Input
Images and Text
Images and Text
Output
Images and Text
Images and Text
Reasoning
Shows its thinking
Shows its thinking
Knowledge cutoff

Try it with real numbers

2K tokens in · 500 tokens out.

Nano Banana Pro (Gemini 3 Pro Image)

Google

1.1¢

for this task

40% input · 60% output

Full pricing →

Nano Banana Pro (Gemini 3 Pro Image Preview)

Google

1.1¢

for this task

40% input · 60% output

Full pricing →

All 2, same prompt and context: 2.3¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 217 of these.

Which should you pick?

On price they are identical: about 2.3¢ for a typical task each.

Or don’t pick. Send the identical prompt to all both, read the answers side by side, and keep the winner. How to run a fair bake-off →

Questions, answered

Which is cheaper, Nano Banana Pro (Gemini 3 Pro Image) or Nano Banana Pro (Gemini 3 Pro Image Preview)?

On a typical client proposal (5K tokens in, 800 out) they cost the same — about 2.3¢ each. Compare them on context and capabilities instead.

Which has the largest context window?

They are identical — 66K tokens each, about 94 pages.

Can I run Nano Banana Pro (Gemini 3 Pro Image) and Nano Banana Pro (Gemini 3 Pro Image Preview) side by side on Alyph?

Yes — that is what Alyph is built for: the identical prompt with identical context to all 2, answers rendered side by side, billed from one wallet. This exact combination costs about 4.5¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 4.5¢ for a typical client proposal. Free to start, with $5 of credit.