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DeepSeek V4.1 Flash 1017 vs Nano Banana 2.1

Detailed technical comparison between DeepSeek V4.1 Flash 1017 (DeepSeek) and Nano Banana 2.1 (Google). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

⚡ Executive Summary & Verdict

Comparison Snapshot

DeepSeek V4.1 Flash 1017: 0 WinsvsNano Banana 2.1: 6 Wins
Context Leader

DeepSeek V4.1 Flash 1017

1,048,576 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

DeepSeek V4.1 Flash 1017

$0.15 / MTok
DeepSeekactive

DeepSeek V4.1 Flash 1017

DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model...

View DeepSeek V4.1 Flash 1017 Full Specs →
Googleactive

Nano Banana 2.1

Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro. It improves product recontextualization,...

View Nano Banana 2.1 Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationDeepSeek V4.1 Flash 1017Nano Banana 2.1
ProviderDeepSeekGoogle
Context Window1,048,576 tokens🏆65,536 tokens
Agent SuitabilityNot yet benchmarkedNot yet benchmarked
Time to First Token (TTFT)No public TTFT dataNo public TTFT data
Deployment Modelself hostablemanaged api
Production StabilityNot verifiedNot verified
API AvailableYesYes
Released Date2026-10-172026-10-06

API Pricing Comparison

Input Price per Million Tokens

DeepSeek V4.1 Flash 1017

$0.15

Nano Banana 2.1

$1.50

Output Price per Million Tokens

DeepSeek V4.1 Flash 1017

$0.60

Nano Banana 2.1

$7.50

💡 Cost Ratio: DeepSeek V4.1 Flash 1017 is 10.0x cheaper per input token than Nano Banana 2.1.

Want to test both models live?

Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.

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Benchmark Performance Metrics

Standardized Scores (0–100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
74.4%vs81.2%+6.8% Nano Banana 2.1
DeepSeek V4.1 Flash 1017
Nano Banana 2.1 🏆
HumanEvalPython coding & logic synthesis
70.6%vs79.4%+8.8% Nano Banana 2.1
DeepSeek V4.1 Flash 1017
Nano Banana 2.1 🏆
MATHComplex mathematical problem solving
43.8%vs56.6%+12.8% Nano Banana 2.1
DeepSeek V4.1 Flash 1017
Nano Banana 2.1 🏆
GPQAGraduate-level expert reasoning
31.2%vs38.6%+7.4% Nano Banana 2.1
DeepSeek V4.1 Flash 1017
Nano Banana 2.1 🏆
HellaSwagCommonsense reasoning and inference
78.4%vs80.8%+2.4% Nano Banana 2.1
DeepSeek V4.1 Flash 1017
Nano Banana 2.1 🏆
MT-BenchMulti-turn conversation flow quality
8.1%vs8.3%+0.2% Nano Banana 2.1
DeepSeek V4.1 Flash 1017
Nano Banana 2.1 🏆

DeepSeek V4.1 Flash 1017 Quirks & Gotchas

No developer gotchas reported.

Nano Banana 2.1 Quirks & Gotchas

No developer gotchas reported.

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