Nano Banana 2 (Gemini 3.1 Flash Image) vs Kimi K2.6

Nano Banana 2 (Gemini 3.1 Flash Image) at $0.575 in and $3.45 out and Kimi K2.6 at $0.667 in and $2.81 out — per million tokens, from the same wallet.

Nano Banana 2 (Gemini 3.1 Flash Image)

Google

0.56¢

for a client proposal

$0.575 in · $3.45 out / 1M

131K context · released 2 months ago

Full page →

Kimi K2.6

Moonshot AI

0.56¢

for a client proposal

$0.667 in · $2.81 out / 1M

262K context · released 4 months ago

Full page →

Asking all both at once — identical prompt, identical context — costs about 1.1¢ for a typical client proposal.

At a glance

Cheapest input: Nano Banana 2 (Gemini 3.1 Flash Image) at $0.575 per million tokens.
Cheapest output: Kimi K2.6 at $2.81 per million tokens.
Largest context: Kimi K2.6 at 262K 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 (Gemini 3.1 Flash Image)

0.29¢

Kimi K2.6

0.27¢

Draft a client proposal from notes

5K in · 800 out

Nano Banana 2 (Gemini 3.1 Flash Image)

0.56¢

Kimi K2.6

0.56¢

Context-heavy session (Alyph workspace)

155K in · 4K out

Nano Banana 2 (Gemini 3.1 Flash Image)

needs 155K ctx

Kimi K2.6

$0.11

Analyze a 50-page legal contract

35K in · 1K out

Nano Banana 2 (Gemini 3.1 Flash Image)

2.4¢

Kimi K2.6

2.6¢

Large architecture refactor

250K in · 3K out

Nano Banana 2 (Gemini 3.1 Flash Image)

needs 250K ctx

Kimi K2.6

$0.18

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 (Gemini 3.1 Flash Image)

Kimi K2.6

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

Pricing

Nano Banana 2 (Gemini 3.1 Flash Image)

Kimi K2.6

Input / 1M tokens

$0.575

$0.667

Output / 1M tokens

$3.45

$2.81

Cached input / 1M

—

$0.112

Web search

1.6¢ / search

—

Specs

Nano Banana 2 (Gemini 3.1 Flash Image)

Kimi K2.6

Provider

Google

Moonshot AI

Released

2 months ago

4 months ago

Context window

131K

262K

Max output

33K

262K

Input

Images and Text

Text and Images

Output

Images and Text

Text

Reasoning

Shows its thinking

Knowledge cutoff

—

Try it with real numbers

2K tokens in · 500 tokens out.

Nano Banana 2 (Gemini 3.1 Flash Image)

Google

0.29¢

for this task

40% input · 60% output

Full pricing →

Kimi K2.6

Moonshot AI

0.27¢

for this task

49% input · 51% output

Full pricing →

All 2, same prompt and context: 0.56¢. That is the entire cost of the comparison.

Your $5 welcome credit covers about 890 of these.

Which should you pick?

For long documents, Kimi K2.6 has the largest context window here — 262K tokens.

On price, Kimi K2.6 is the cheapest of the two on a typical task, at about 0.56¢.

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 (Gemini 3.1 Flash Image) pricing →Kimi K2.6 pricing →Add Lyria 3 Clip Preview Add Grok 4.20

Questions, answered

Which is cheaper, Nano Banana 2 (Gemini 3.1 Flash Image) or Kimi K2.6?

On a typical client proposal (5K tokens in, 800 out): Kimi K2.6 at 0.56¢; Nano Banana 2 (Gemini 3.1 Flash Image) at 0.56¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

Kimi K2.6 — 262K tokens, about 370 pages.

Can I run Nano Banana 2 (Gemini 3.1 Flash Image) and Kimi K2.6 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 1.1¢ for a typical task.

Ask both at once

Identical prompt, identical context, answers side by side — about 1.1¢ for a typical client proposal. Free to start, with $5 of credit.