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DeepSeek-V4-Flash-Vision-Exp vs Nemotron 3 Ultra (550B A55B)

DeepSeek-V4-Flash-Vision-Exp leads the LLM Stats Score 46.0 to 36.3. DeepSeek-V4-Flash-Vision-Exp is 2.8x cheaper per token.

DeepSeek · NVIDIA · Updated for 2026

Which is better?

DeepSeek-V4-Flash-Vision-Exp leads the overall LLM Stats Score 46.0 to 36.3, ranking #27 overall.

In the 1 individual benchmarks reported for both models, DeepSeek-V4-Flash-Vision-Exp wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, DeepSeek-V4-Flash-Vision-Exp is roughly 2.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

DeepSeek-V4-Flash-Vision-Exp also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose DeepSeek-V4-Flash-Vision-Exp

  • overall performance matters — it scores 46.0 and ranks #27 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • cost matters — it's about 2.8x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Aug 2026

Choose Nemotron 3 Ultra (550B A55B)

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

DeepSeek-V4-Flash-Vision-Exp
DeepSeek
Nemotron 3 Ultra (550B A55B)
NVIDIA
Core performance indexes
LLM Stats Score
46.0
#27
36.3
#79
Reasoning
42.4
#44
35.4
#82
Coding
35.1
#30
21.0
#92
Agents
32.9
#25
12.5
#101
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$0.22 / M
$0.50 / M
Output price
$0.66 / M
$2.20 / M
Context window
1,048,576
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
DeepSeek-V4-Flash-Vision-Exp
Nemotron 3 Ultra (550B A55B)
Tool use
25.6#34
2.8#166
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

7 reported for DeepSeek-V4-Flash-Vision-Exp · 26 for Nemotron 3 Ultra (550B A55B)

1 shared

DeepSeek-V4-Flash-Vision-Exp outperforms in 1 benchmarks (Terminal-Bench 2.1), while Nemotron 3 Ultra (550B A55B) is better at 0 benchmarks.

DeepSeek-V4-Flash-Vision-Exp significantly outperforms across most benchmarks.

Thu Sep 17 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

DeepSeek-V4-Flash-Vision-Exp costs less

For input processing, DeepSeek-V4-Flash-Vision-Exp ($0.22/1M tokens) is 2.3x cheaper than Nemotron 3 Ultra (550B A55B) ($0.50/1M tokens).

For output processing, DeepSeek-V4-Flash-Vision-Exp ($0.66/1M tokens) is 3.3x cheaper than Nemotron 3 Ultra (550B A55B) ($2.20/1M tokens).

In conclusion, Nemotron 3 Ultra (550B A55B) is more expensive than DeepSeek-V4-Flash-Vision-Exp.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Thu Sep 17 2026 • llm-stats.com
DeepSeek
DeepSeek-V4-Flash-Vision-Exp
Input tokens$0.22
Output tokens$0.66
Best providerDeepSeek
NVIDIA
Nemotron 3 Ultra (550B A55B)
Input tokens$0.50
Output tokens$2.20
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

DeepSeek-V4-Flash-Vision-Exp accepts 1,048,576 input tokens compared to Nemotron 3 Ultra (550B A55B)'s 262,144 tokens. DeepSeek-V4-Flash-Vision-Exp can generate longer responses up to 393,216 tokens, while Nemotron 3 Ultra (550B A55B) is limited to 262,144 tokens.

DeepSeek
DeepSeek-V4-Flash-Vision-Exp
Input1,048,576 tokens
Output393,216 tokens
NVIDIA
Nemotron 3 Ultra (550B A55B)
Input262,144 tokens
Output262,144 tokens
Thu Sep 17 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

DeepSeek-V4-Flash-Vision-Exp supports multimodal inputs, whereas Nemotron 3 Ultra (550B A55B) does not.

DeepSeek-V4-Flash-Vision-Exp can handle both text and other forms of data like images, making it suitable for multimodal applications.

DeepSeek-V4-Flash-Vision-Exp

Text
Images
Audio
Video

Nemotron 3 Ultra (550B A55B)

Text
Images
Audio
Video

Release Timeline

When each model was launched

DeepSeek-V4-Flash-Vision-Exp was released on 2026-08-21, while Nemotron 3 Ultra (550B A55B) was released on 2026-06-04.

DeepSeek-V4-Flash-Vision-Exp is 3 months newer than Nemotron 3 Ultra (550B A55B).

DeepSeek-V4-Flash-Vision-Exp

Aug 21, 2026

3 weeks ago

2mo newer
Nemotron 3 Ultra (550B A55B)

Jun 4, 2026

3 months ago

Knowledge Cutoff

When training data ends

Nemotron 3 Ultra (550B A55B) has a documented knowledge cutoff of 2025-09-30, while DeepSeek-V4-Flash-Vision-Exp's cutoff date is not specified.

We can confirm Nemotron 3 Ultra (550B A55B)'s training data extends to 2025-09-30, but cannot make a direct comparison without DeepSeek-V4-Flash-Vision-Exp's cutoff date.

DeepSeek-V4-Flash-Vision-Exp

—

Nemotron 3 Ultra (550B A55B)

Sep 2025

Provider Availability

DeepSeek-V4-Flash-Vision-Exp is available from DeepSeek, DeepInfra. Nemotron 3 Ultra (550B A55B) is available from DeepInfra.

DeepSeek-V4-Flash-Vision-Exp

deepseek logo
DeepSeek
Input Price:Input: $0.22/1MOutput Price:Output: $0.66/1M
deepinfra logo
Deepinfra
Input Price:Input: $0.44/1MOutput Price:Output: $1.32/1M

Nemotron 3 Ultra (550B A55B)

deepinfra logo
Deepinfra
Input Price:Input: $0.50/1MOutput Price:Output: $2.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against DeepSeek-V4-Flash-Vision-Exp and Nemotron 3 Ultra (550B A55B) side-by-side, then vote on the output you prefer.

DeepSeek-V4-Flash-Vision-Exp
✓ Preferred
Nemotron 3 Ultra (550B A55B)
Open in Playground

FAQ

Common questions about DeepSeek-V4-Flash-Vision-Exp vs Nemotron 3 Ultra (550B A55B).

Which is better, DeepSeek-V4-Flash-Vision-Exp or Nemotron 3 Ultra (550B A55B)?

DeepSeek-V4-Flash-Vision-Exp leads the LLM Stats Score 46.0 to 36.3. DeepSeek-V4-Flash-Vision-Exp is made by DeepSeek and Nemotron 3 Ultra (550B A55B) is made by NVIDIA. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does DeepSeek-V4-Flash-Vision-Exp compare to Nemotron 3 Ultra (550B A55B) in benchmarks?

DeepSeek-V4-Flash-Vision-Exp scores Terminal-Bench 2.1: 83.9%, DSBench-Hard: 63.6%, DeepSWE: 59.3%, NL2Repo: 57.7%, ZEROBench: 35.0%. Nemotron 3 Ultra (550B A55B) scores RULER: 94.7%, IMO-AnswerBench: 92.3%, PinchBench: 90.0%, LiveCodeBench v6: 89.0%, GPQA: 87.0%.

Is DeepSeek-V4-Flash-Vision-Exp cheaper than Nemotron 3 Ultra (550B A55B)?

DeepSeek-V4-Flash-Vision-Exp is 2.3x cheaper for input tokens. DeepSeek-V4-Flash-Vision-Exp costs $0.22/M input and $0.66/M output via deepseek. Nemotron 3 Ultra (550B A55B) costs $0.50/M input and $2.20/M output via deepinfra.

What are the context window sizes for DeepSeek-V4-Flash-Vision-Exp and Nemotron 3 Ultra (550B A55B)?

DeepSeek-V4-Flash-Vision-Exp supports 1.0M tokens and Nemotron 3 Ultra (550B A55B) supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek-V4-Flash-Vision-Exp and Nemotron 3 Ultra (550B A55B)?

Key differences include LLM Stats Score (46.0 vs 36.3), context window (1.0M vs 262K), input pricing ($0.22 vs $0.50/M), multimodal support (yes vs no), licensing (Unknown vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-V4-Flash-Vision-Exp and Nemotron 3 Ultra (550B A55B)?

DeepSeek-V4-Flash-Vision-Exp is developed by DeepSeek and Nemotron 3 Ultra (550B A55B) is developed by NVIDIA.

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