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Google: Gemini 3 Flash Preview vs NVIDIA: Nemotron 3 Ultra

Neither wins outright: Google: Gemini 3 Flash Preview is the pick when you need to fit long inputs in one request, NVIDIA: Nemotron 3 Ultra when you generate long outputs in one go.

Key numbers

SpecGoogle: Gemini 3 Flash PreviewNVIDIA: Nemotron 3 Ultra
ProviderGoogleNVIDIA
Input price (per 1M tokens)$0.50$0.60
Output price (per 1M tokens)$3.00$2.40
Blended price (3:1 input/output)$1.13$1.05
Cheaper than … of all models we track36%38%
Context window1.0M tokens (~1,573 pages)262K tokens (~393 pages)
Larger context than … of all models80%47%
Max output per response66K tokens (~49,200 words)183K tokens (~136,900 words)
Input typestext, image, file, audio, videotext
Output typestexttext
Free variantNoYes
Listed since2025-12-172026-06-04
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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)Google: Gemini 3 Flash PreviewNVIDIA: Nemotron 3 UltraDifference
Customer-support chatbot
50,000 conversations — each a 6-turn conversation (1,500 in / 400 out tokens)
$97.50$93.00NVIDIA: Nemotron 3 Ultra saves $4.50
RAG search over documents
20,000 questions — each a question answered from ~8 retrieved passages (6,000 in / 500 out tokens)
$90.00$96.00Google: Gemini 3 Flash Preview saves $6.00
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)
$96.00$101Google: Gemini 3 Flash Preview saves $4.80
Batch summarisation
10,000 documents — each a 6,000-word report summarised to a page (8,000 in / 600 out tokens)
$58.00$62.40Google: Gemini 3 Flash Preview saves $4.40
Long-document analysis
500 documents — each a 150-page contract or codebase read in one pass (100,000 in / 2,000 out tokens)
$28.00$32.40Google: Gemini 3 Flash Preview saves $4.40

Capabilities side by side

CapabilityGoogle: Gemini 3 Flash PreviewNVIDIA: Nemotron 3 UltraWhat it lets you do
Tool / function calling✓ Yes✓ Yescall your APIs and run agent loops
Structured output (JSON schema)✓ Yes✓ Yesreturn JSON that validates against your schema
Reasoning / thinking mode✓ Yes✓ Yesspend extra tokens thinking before answering hard problems
Image input✓ Yes—read screenshots, charts and scanned pages
Audio input✓ Yes—take speech or audio directly
File / PDF input✓ Yes—accept documents without your own parsing step
Image output——generate images, not just text
Built-in web search✓ Yes—answer from live web results
Seed (reproducible sampling)✓ Yes✓ Yesrepeat 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

DateModelInput / 1MOutput / 1M
2026-10-12NVIDIA: Nemotron 3 Ultra$0.60$2.40
2026-10-02NVIDIA: Nemotron 3 Ultra$0.50$2.20
2026-09-19NVIDIA: Nemotron 3 Ultra$0.60$2.40
2026-09-16NVIDIA: Nemotron 3 Ultra$0.63$3.13
2026-09-14NVIDIA: Nemotron 3 Ultra$0.60$2.40
2026-09-04NVIDIA: Nemotron 3 Ultra$0.63$3.13
2026-09-03NVIDIA: Nemotron 3 Ultra$0.60$2.40
2026-09-02NVIDIA: Nemotron 3 Ultra$0.63$3.13

Which should you choose?

Choose Google: Gemini 3 Flash Preview if…

  • you need to fit long inputs in one request — 1.0M tokens is roughly 1,573 pages, against 393
  • you need image input — to read screenshots, charts and scanned pages; NVIDIA: Nemotron 3 Ultra does not advertise it
  • you need audio input — to take speech or audio directly; NVIDIA: Nemotron 3 Ultra does not advertise it
  • you need file / PDF input — to accept documents without your own parsing step; NVIDIA: Nemotron 3 Ultra does not advertise it
  • you need built-in web search — to answer from live web results; NVIDIA: Nemotron 3 Ultra does not advertise it

Choose NVIDIA: Nemotron 3 Ultra if…

  • you generate long outputs in one go — up to 183K tokens (about 136,900 words) per response
  • you want to prototype at zero cost — a free variant is listed
  • you want the newer model — released 2026-06-04, 6 months after the other

Frequently asked questions

Is Google: Gemini 3 Flash Preview better than NVIDIA: Nemotron 3 Ultra?

Neither wins outright: Google: Gemini 3 Flash Preview is the pick when you need to fit long inputs in one request, NVIDIA: Nemotron 3 Ultra when you generate long outputs in one go. In short: Google: Gemini 3 Flash Preview when you need to fit long inputs in one request, you need image input, you need audio input, you need file / PDF input, you need built-in web search; NVIDIA: Nemotron 3 Ultra when you generate long outputs in one go, you want to prototype at zero cost, you want the newer model.

Which is cheaper, Google: Gemini 3 Flash Preview or NVIDIA: Nemotron 3 Ultra?

NVIDIA: Nemotron 3 Ultra is cheaper: $1.05 vs $1.13 per 1M tokens at a typical 3:1 input/output mix, 7% less. For 50,000 support conversations a month that is $93.00 against $97.50.

How much do Google: Gemini 3 Flash Preview and NVIDIA: Nemotron 3 Ultra cost per million tokens?

Google: Gemini 3 Flash Preview costs $0.50 per 1M input tokens and $3.00 per 1M output tokens; NVIDIA: Nemotron 3 Ultra costs $0.60 input and $2.40 output. Output tokens are billed separately, so long answers shift the gap.

Which has the bigger context window, Google: Gemini 3 Flash Preview or NVIDIA: Nemotron 3 Ultra?

Google: Gemini 3 Flash Preview: 1.0M tokens, about 1,573 pages, against 262K (about 393 pages) for NVIDIA: Nemotron 3 Ultra.

Do Google: Gemini 3 Flash Preview and NVIDIA: Nemotron 3 Ultra support function calling and JSON output?

Tool calling — Google: Gemini 3 Flash Preview: yes, NVIDIA: Nemotron 3 Ultra: yes. JSON-schema structured output — Google: Gemini 3 Flash Preview: yes, NVIDIA: Nemotron 3 Ultra: yes.

Can Google: Gemini 3 Flash Preview or NVIDIA: Nemotron 3 Ultra read images?

Only Google: Gemini 3 Flash Preview accepts image input; NVIDIA: Nemotron 3 Ultra is text-only for input.

Is Google: Gemini 3 Flash Preview or NVIDIA: Nemotron 3 Ultra free to use?

NVIDIA: Nemotron 3 Ultra has a free variant (nvidia/nemotron-3-ultra-550b-a55b:free). Free variants usually carry tighter rate limits.

What is the maximum output length of Google: Gemini 3 Flash Preview and NVIDIA: Nemotron 3 Ultra?

Google: Gemini 3 Flash Preview can write up to 66K tokens (about 49,200 words) per response; NVIDIA: Nemotron 3 Ultra up to 183K (about 136,900 words).

When were Google: Gemini 3 Flash Preview and NVIDIA: Nemotron 3 Ultra released?

Google: Gemini 3 Flash Preview was listed on 2025-12-17; NVIDIA: Nemotron 3 Ultra on 2026-06-04.

Has the price of Google: Gemini 3 Flash Preview or NVIDIA: Nemotron 3 Ultra changed?

Google: Gemini 3 Flash Preview: price unchanged since we started tracking it on 2026-03-10. NVIDIA: Nemotron 3 Ultra: input price raised 17% ($0.50 → $0.60/1M), output price raised 8% ($2.20 → $2.40/1M) on 2026-10-12 (9 price changes since 2026-08-06).

About the two models

Compare Google: Gemini 3 Flash Preview with other models

vs AI21: Jamba Large 1.7vs AionLabs: Aion 3.5vs AionLabs: Aion 3.5 Minivs AionLabs: Aion-1.0

Compare NVIDIA: Nemotron 3 Ultra with other models

vs AI21: Jamba Large 1.7vs AionLabs: Aion 3.5vs AionLabs: Aion 3.5 Minivs AionLabs: Aion-1.0
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