Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) vs KAT-Coder-Pro V2

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) at $0.287 in and $1.73 out and KAT-Coder-Pro V2 at $0.345 in and $1.38 out — per million tokens, from the same wallet.

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

Google

0.28¢

for a client proposal

$0.287 in · $1.73 out / 1M

66K context · released 1 month ago

Full page →

KAT-Coder-Pro V2

Kwaipilot

0.28¢

for a client proposal

$0.345 in · $1.38 out / 1M

256K context · released 4 months ago

Full page →

Asking all both at once — identical prompt, identical context — costs about 0.56¢ for a typical client proposal.

At a glance

Cheapest input: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) at $0.287 per million tokens.
Cheapest output: KAT-Coder-Pro V2 at $1.38 per million tokens.
Largest context: KAT-Coder-Pro V2 at 256K tokens — about 370 pages.

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 2 Lite (Gemini 3.1 Flash Lite Image)

0.14¢

KAT-Coder-Pro V2

0.14¢

Draft a client proposal from notes

5K in · 800 out

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

0.28¢

KAT-Coder-Pro V2

0.28¢

Context-heavy session (Alyph workspace)

155K in · 4K out

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

needs 155K ctx

KAT-Coder-Pro V2

$0.06

Analyze a 50-page legal contract

35K in · 1K out

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

1.2¢

KAT-Coder-Pro V2

1.3¢

Large architecture refactor

250K in · 3K out

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

needs 250K ctx

KAT-Coder-Pro V2

$0.09

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

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

KAT-Coder-Pro V2

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

Pricing

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

KAT-Coder-Pro V2

Input / 1M tokens

$0.287

$0.345

Output / 1M tokens

$1.73

$1.38

Cached input / 1M

—

$0.069

Web search

1.6¢ / search

—

Specs

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

KAT-Coder-Pro V2

Provider

Google

Kwaipilot

Released

1 month ago

4 months ago

Context window

66K

256K

Max output

66K

80K

Input

Images and Text

Text

Output

Images and Text

Text

Reasoning

Shows its thinking

Answers directly

Knowledge cutoff

2025-01-01

—

Try it with real numbers

2K tokens in · 500 tokens out.

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

Google

0.14¢

for this task

40% input · 60% output

Full pricing →

KAT-Coder-Pro V2

Kwaipilot

0.14¢

for this task

50% input · 50% output

Full pricing →

All 2, same prompt and context: 0.28¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 1,774 of these.

Which should you pick?

For long documents, KAT-Coder-Pro V2 has the largest context window here — 256K tokens.

On price, Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is the cheapest of the two on a typical task, at about 0.28¢.

For images or files, Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) can read them directly; KAT-Coder-Pro V2 is text-only.

If you want to watch the model think, Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) shows reasoning; the other answers directly.

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 →

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) pricing →KAT-Coder-Pro V2 pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) or KAT-Coder-Pro V2?

On a typical client proposal (5K tokens in, 800 out): Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) at 0.28¢; KAT-Coder-Pro V2 at 0.28¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

KAT-Coder-Pro V2 — 256K tokens, about 370 pages.

Can I run Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) and KAT-Coder-Pro V2 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 0.56¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 0.56¢ for a typical client proposal. Free to start, with $5 of credit.