DeepSeek V3.1 Terminus vs Nano Banana 2.1

Price, context window & benchmark comparison

DeepSeek

DeepSeek V3.1 Terminus

DeepSeek
$0.27 / $1.00
Input / Output · per 1M tokens
VS
Google

Nano Banana 2.1

Google
$1.50 / $7.50
Input / Output · per 1M tokens
Compare different models
DeepSeek
Google
Verdict: DeepSeek V3.1 Terminus is 6.6× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix. DeepSeek V3.1 Terminus has the larger context window (164K vs 66K).
DeepSeek V3.1 TerminusNano Banana 2.1
Input price / 1M$0.27$1.50
Output price / 1M$1.00$7.50
Blended price (3:1)$0.45$3.00
Cached input / 1M——
Context window164K66K
Max output147K59K
Intelligence index——
Coding index43.5—
Providers—1
Best provider uptime (30m)—100.0%
Vision inputNoYes
ReasoningYesYes
Tool callingYesYes
Released2025-09-222026-10-06
Retirement——

Cost calculator

FAQ

Which is cheaper, DeepSeek V3.1 Terminus or Nano Banana 2.1?

DeepSeek V3.1 Terminus is 6.6× cheaper than Nano Banana 2.1 on a typical 3:1 input/output mix.

DeepSeek V3.1 Terminus vs Nano Banana 2.1: which has a bigger context window?

DeepSeek V3.1 Terminus: 163,840 tokens. Nano Banana 2.1: 65,536 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V3.1 Terminus ≈ $1,040, Nano Banana 2.1 ≈ $6,750.

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