Nano Banana 2.1 vs GPT-3.5 Turbo Instruct

Price, context window & benchmark comparison

Google

Nano Banana 2.1

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

GPT-3.5 Turbo Instruct

OpenAI
$1.50 / $2.00
Input / Output · per 1M tokens
Compare different models
Google
OpenAI
Verdict: GPT-3.5 Turbo Instruct is 46% cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix. Nano Banana 2.1 has the larger context window (66K vs 4K).
Nano Banana 2.1GPT-3.5 Turbo Instruct
Input price / 1M$1.50$1.50
Output price / 1M$7.50$2.00
Blended price (3:1)$3.00$1.63
Cached input / 1M——
Context window66K4K
Max output59K4K
Intelligence index——
Coding index——
Providers1—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesNo
Tool callingYesNo
Released2026-10-062023-09-28
Retirement——

Cost calculator

FAQ

Which is cheaper, Nano Banana 2.1 or GPT-3.5 Turbo Instruct?

GPT-3.5 Turbo Instruct is 46% cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix.

Nano Banana 2.1 vs GPT-3.5 Turbo Instruct: which has a bigger context window?

Nano Banana 2.1: 65,536 tokens. GPT-3.5 Turbo Instruct: 4,095 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Nano Banana 2.1 ≈ $6,750, GPT-3.5 Turbo Instruct ≈ $4,000.

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