Nano Banana 2.1 vs Ternary Bonsai 2 9B

Price, context window & benchmark comparison

Google

Nano Banana 2.1

Google
$1.50 / $7.50
Input / Output · per 1M tokens
VS
Prism Ml

Ternary Bonsai 2 9B

Prism Ml
$0.08 / $0.13
Input / Output · per 1M tokens
Compare different models
Google
Prism Ml
Verdict: Ternary Bonsai 2 9B is 32.4× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix. Ternary Bonsai 2 9B has the larger context window (262K vs 66K).
Nano Banana 2.1Ternary Bonsai 2 9B
Input price / 1M$1.50$0.08
Output price / 1M$7.50$0.13
Blended price (3:1)$3.00$0.0925
Cached input / 1M—$0.04
Context window66K262K
Max output59K66K
Intelligence index——
Coding index——
Providers1—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-10-062026-10-16
Retirement——

Cost calculator

FAQ

Which is cheaper, Nano Banana 2.1 or Ternary Bonsai 2 9B?

Ternary Bonsai 2 9B is 32.4× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix.

Nano Banana 2.1 vs Ternary Bonsai 2 9B: which has a bigger context window?

Nano Banana 2.1: 65,536 tokens. Ternary Bonsai 2 9B: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Nano Banana 2.1 ≈ $6,750, Ternary Bonsai 2 9B ≈ $225.00.

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