Shortcut ChatShortcut Chat
Get started

AI model comparison

DeepSeek V4.1 Flash 1017 vs Nemotron 3 Ultra

Side by side comparison of DeepSeek V4.1 Flash 1017 and Nemotron 3 Ultra on pricing, benchmark scores, context window, and more.

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.

Input / 1M
$0.15
Output / 1M
$0.60
Context
1.05M

NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE).

Input / 1M
$0.60
Output / 1M
$2.40
Context
262K

Comparing image generators? Compare image models

At a glance

Quick verdict

How the two models stack up on the things people ask about most.

Lower price

deepseek logo

DeepSeek V4.1 Flash 1017

4x cheaper for a typical chat

Higher intelligence score

Not available

Not enough benchmark data

Larger context window

deepseek logo

DeepSeek V4.1 Flash 1017

1.05M vs 262K tokens

Newer release

deepseek logo

DeepSeek V4.1 Flash 1017

Released October 17, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

deepseek logoDeepSeek V4.1 Flash 1017Not available
nvidia logoNemotron 3 Ultra11.8

Coding index

deepseek logoDeepSeek V4.1 Flash 1017Not available
nvidia logoNemotron 3 Ultra49.3

Agentic index

deepseek logoDeepSeek V4.1 Flash 1017Not available
nvidia logoNemotron 3 Ultra20.1

Pricing

DeepSeek V4.1 Flash 1017 vs Nemotron 3 Ultra API pricing

Per-token API rates. Cheaper option highlighted.

Metricdeepseek logoDeepSeek V4.1 Flash 1017nvidia logoNemotron 3 Ultra
Input tokensPer 1M tokens$0.15$0.60
Output tokensPer 1M tokens$0.60$2.40
Cached input (read)Per 1M tokens$0.00$0.12
Cache writePer 1M tokensNot availableNot available

What it costs in practice

Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.

Chat message

2K in, 500 out

deepseek logoDeepSeek V4.1 Flash 1017$0.60
nvidia logoNemotron 3 Ultra$2.40

Coding task

30K in, 4K out

deepseek logoDeepSeek V4.1 Flash 1017$6.90$2.49 cached
nvidia logoNemotron 3 Ultra$27.60$13.20 cached

Long document summary

150K in, 2K out

deepseek logoDeepSeek V4.1 Flash 1017$23.70$1.65 cached
nvidia logoNemotron 3 Ultra$94.80$22.80 cached

Specs

Context window and capabilities

How much each model can read, how much it can write, and what it accepts as input.

Metricdeepseek logoDeepSeek V4.1 Flash 1017nvidia logoNemotron 3 Ultra
Context window1.05M tokens262K tokens
Max output393K tokens183K tokens
Input typesImage, TextText
Output typesTextText
Reasoning effort levelsMax, High, Low, NoneHigh, Medium, None
Default reasoning effortHighHigh
Release dateOctober 17, 2026June 4, 2026

Features

Supported features

API features available for each model.

Metricdeepseek logoDeepSeek V4.1 Flash 1017nvidia logoNemotron 3 Ultra
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesSupportedSupported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

DeepSeek V4.1 Flash 1017 is 4x cheaper for a typical chat. DeepSeek V4.1 Flash 1017 has the larger context window (1.05M vs 262K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.

FAQ

Frequently asked questions

Is DeepSeek V4.1 Flash 1017 or Nemotron 3 Ultra cheaper?

DeepSeek V4.1 Flash 1017 is cheaper for a typical chat (2K input tokens and 500 output tokens). DeepSeek V4.1 Flash 1017 costs $0.15 per 1M input tokens and $0.60 per 1M output tokens, while Nemotron 3 Ultra costs $0.60 per 1M input tokens and $2.40 per 1M output tokens.

Which has a bigger context window, DeepSeek V4.1 Flash 1017 or Nemotron 3 Ultra?

DeepSeek V4.1 Flash 1017 supports up to 1.05M tokens of context, compared with 262K for Nemotron 3 Ultra.

Can I use DeepSeek V4.1 Flash 1017 and Nemotron 3 Ultra at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see DeepSeek V4.1 Flash 1017 and Nemotron 3 Ultra answer side by side and keep the better response.

deepseek logonvidia logo

Why choose? Ask both.

Send one prompt to DeepSeek V4.1 Flash 1017 and Nemotron 3 Ultra at the same time. Compare the answers side by side and keep the best one.

Get startedSee a preview