Choose DeepSeek: DeepSeek V4.1 Flash (batch) if…
No advantage on the data we track — pick it for provider preference or output quality on your own prompts.
DeepSeek: DeepSeek V4.1 Flash (batch) vs NVIDIA: Nemotron 3.5 Super VL (free)
NVIDIA: Nemotron 3.5 Super VL (free) comes out ahead on the data we track: 2 advantages and none for DeepSeek: DeepSeek V4.1 Flash (batch).
Key numbers
| Spec | DeepSeek: DeepSeek V4.1 Flash (batch) | NVIDIA: Nemotron 3.5 Super VL (free) |
|---|---|---|
| Provider | DeepSeek | Nvidia |
| Input price (per 1M tokens) | $0.11 | $0 |
| Output price (per 1M tokens) | $0.34 | $0 |
| Blended price (3:1 input/output) | $0.17 | $0 |
| Cheaper than … of all models we track | 73% | 90% |
| Context window | 1.0M tokens (~1,573 pages) | 1M tokens (~1,500 pages) |
| Larger context than … of all models | 81% | 69% |
| Max output per response | 131K tokens (~98,300 words) | 131K tokens (~98,300 words) |
| Input types | text, image | text, image, video |
| Output types | text | text |
| Free variant | No | Yes |
| Listed since | 2026-09-10 | 2026-10-15 |
What it costs for real workloads
Monthly cost at list price for five common workloads. Token counts per unit are stated so you can scale them to your own traffic. A workload that does not fit a model's context window is marked rather than priced.
| Workload (per month) | DeepSeek: DeepSeek V4.1 Flash (batch) | NVIDIA: Nemotron 3.5 Super VL (free) | Difference |
|---|---|---|---|
| Customer-support chatbot 50,000 conversations — each a 6-turn conversation (1,500 in / 400 out tokens) | $15.12 | $0 | NVIDIA: Nemotron 3.5 Super VL (free) saves $15.12 |
| RAG search over documents 20,000 questions — each a question answered from ~8 retrieved passages (6,000 in / 500 out tokens) | $16.80 | $0 | NVIDIA: Nemotron 3.5 Super VL (free) saves $16.80 |
| Coding / tool-using agent 2,000 tasks — each a multi-step task with tool calls and file context (60,000 in / 6,000 out tokens) | $17.47 | $0 | NVIDIA: Nemotron 3.5 Super VL (free) saves $17.47 |
| Batch summarisation 10,000 documents — each a 6,000-word report summarised to a page (8,000 in / 600 out tokens) | $10.98 | $0 | NVIDIA: Nemotron 3.5 Super VL (free) saves $10.98 |
| Long-document analysis 500 documents — each a 150-page contract or codebase read in one pass (100,000 in / 2,000 out tokens) | $5.94 | $0 | NVIDIA: Nemotron 3.5 Super VL (free) saves $5.94 |
Capabilities side by side
| Capability | DeepSeek: DeepSeek V4.1 Flash (batch) | NVIDIA: Nemotron 3.5 Super VL (free) | What it lets you do |
|---|---|---|---|
| Tool / function calling | ✓ Yes | ✓ Yes | call your APIs and run agent loops |
| Structured output (JSON schema) | ✓ Yes | ✓ Yes | return JSON that validates against your schema |
| Reasoning / thinking mode | ✓ Yes | ✓ Yes | spend extra tokens thinking before answering hard problems |
| Image input | ✓ Yes | ✓ Yes | read screenshots, charts and scanned pages |
| Audio input | — | — | take speech or audio directly |
| File / PDF input | — | — | accept documents without your own parsing step |
| Image output | — | — | generate images, not just text |
| Built-in web search | — | — | answer from live web results |
| Seed (reproducible sampling) | ✓ Yes | ✓ Yes | repeat a generation for tests and evals |
| Log-probabilities | — | — | read token confidence for classification and scoring |
From each model's published parameters and input/output types. “—” means not advertised, not proven absent.
Price history
- DeepSeek: DeepSeek V4.1 Flash (batch): price unchanged since we started tracking it on 2026-09-23.
- NVIDIA: Nemotron 3.5 Super VL (free): price unchanged since we started tracking it on 2026-10-16.
Which should you choose?
Choose NVIDIA: Nemotron 3.5 Super VL (free) if…
- cost matters at scale — it is 100% cheaper on a typical 3:1 input/output mix ($0 vs $15.12 a month for 50,000 support chats)
- you want to prototype at zero cost — a free variant is listed
Frequently asked questions
Is DeepSeek: DeepSeek V4.1 Flash (batch) better than NVIDIA: Nemotron 3.5 Super VL (free)?
NVIDIA: Nemotron 3.5 Super VL (free) comes out ahead on the data we track: 2 advantages and none for DeepSeek: DeepSeek V4.1 Flash (batch).
Which is cheaper, DeepSeek: DeepSeek V4.1 Flash (batch) or NVIDIA: Nemotron 3.5 Super VL (free)?
NVIDIA: Nemotron 3.5 Super VL (free) is cheaper: $0 vs $0.17 per 1M tokens at a typical 3:1 input/output mix, 100% less. For 50,000 support conversations a month that is $0 against $15.12.
How much do DeepSeek: DeepSeek V4.1 Flash (batch) and NVIDIA: Nemotron 3.5 Super VL (free) cost per million tokens?
DeepSeek: DeepSeek V4.1 Flash (batch) costs $0.11 per 1M input tokens and $0.34 per 1M output tokens; NVIDIA: Nemotron 3.5 Super VL (free) costs $0 input and $0 output. Output tokens are billed separately, so long answers shift the gap.
Which has the bigger context window, DeepSeek: DeepSeek V4.1 Flash (batch) or NVIDIA: Nemotron 3.5 Super VL (free)?
DeepSeek: DeepSeek V4.1 Flash (batch): 1.0M tokens, about 1,573 pages, against 1M (about 1,500 pages) for NVIDIA: Nemotron 3.5 Super VL (free).
Do DeepSeek: DeepSeek V4.1 Flash (batch) and NVIDIA: Nemotron 3.5 Super VL (free) support function calling and JSON output?
Tool calling — DeepSeek: DeepSeek V4.1 Flash (batch): yes, NVIDIA: Nemotron 3.5 Super VL (free): yes. JSON-schema structured output — DeepSeek: DeepSeek V4.1 Flash (batch): yes, NVIDIA: Nemotron 3.5 Super VL (free): yes.
Can DeepSeek: DeepSeek V4.1 Flash (batch) or NVIDIA: Nemotron 3.5 Super VL (free) read images?
Yes, both accept image input.
Is DeepSeek: DeepSeek V4.1 Flash (batch) or NVIDIA: Nemotron 3.5 Super VL (free) free to use?
NVIDIA: Nemotron 3.5 Super VL (free) has a free variant (nvidia/nemotron-3.5-super-vl:free). Free variants usually carry tighter rate limits.
What is the maximum output length of DeepSeek: DeepSeek V4.1 Flash (batch) and NVIDIA: Nemotron 3.5 Super VL (free)?
DeepSeek: DeepSeek V4.1 Flash (batch) can write up to 131K tokens (about 98,300 words) per response; NVIDIA: Nemotron 3.5 Super VL (free) up to 131K (about 98,300 words).
When were DeepSeek: DeepSeek V4.1 Flash (batch) and NVIDIA: Nemotron 3.5 Super VL (free) released?
DeepSeek: DeepSeek V4.1 Flash (batch) was listed on 2026-09-10; NVIDIA: Nemotron 3.5 Super VL (free) on 2026-10-15.
About the two models
DeepSeek: DeepSeek V4.1 Flash (batch)
DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...
Full DeepSeek: DeepSeek V4.1 Flash (batch) specs →NVIDIA: Nemotron 3.5 Super VL (free)
NVIDIA Nemotron 3.5 Super VL is an open multimodal mixture-of-experts model from NVIDIA, with 12B active parameters out of 120B total. It takes text, images, documents, GUI screenshots, and video...
Full NVIDIA: Nemotron 3.5 Super VL (free) specs →