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Model comparison · Updated 10 Oct 2026

Gemma 4 31B vs Nemotron 3 Nano 30B A3B

Nemotron 3 Nano 30B A3B is about 1.5× cheaper on input ($0.06 against $0.09 per 1M tokens) and on output. Both have a 262K-token context window. For a support chatbot at 10,000 chats a day, the standard-tier bill is about $71.10 a month for Gemma 4 31B and $48.60 for Nemotron 3 Nano 30B A3B.

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ModelsAtlas. “Gemma 4 31B vs Nemotron 3 Nano 30B A3B”. Retrieved 10 Oct 2026. https://modelsatlas.com/compare/google/gemma-4-31b-it/vs/nvidia/nemotron-3-nano-30b-a3b

Model A

Gemma 4 31B

by Google · weights not marked open · GRIDB4

Input / 1M
$0.09
observed We measured
Source
Our catalogue
Retrieved
1 Sep 2026
Output / 1M$0.34
Context262K
vs

Model B

Nemotron 3 Nano 30B A3B

by NVIDIA · weights not marked open · GRIDB4

Input / 1M
$0.06
observed We measured
Source
Our catalogue
Retrieved
10 Oct 2026
Output / 1M$0.24
Context262K

Key numbers

Standard tier · highlighted = better

Gemma 4 31B
Nemotron 3 Nano 30B A3B
Input / 1M tokens
$0.09
$0.06
Output / 1M tokens
$0.34
$0.24
Batch input / output
Not listed
Not listed
Context window
262,144
262,144
Input types
Not disclosed
Not disclosed
Weights
Not marked open
Not marked open
Tiers listed
free, standard
standard
Prices checked
2026-09-01
2026-10-10

What it costs for real workloads

Monthly, standard tier, 30 days

Support chatbot10k chats/day · 1.5k in, 300 out
$71.10/mo
$48.60/mo
RAG over documents2k queries/day · 12k in, 500 out
$75.00/mo
$50.40/mo
Coding agent300 tasks/day · 60k in, 8k out
$73.08/mo
$49.68/mo

Gemma 4 31B   Nemotron 3 Nano 30B A3B · Derived from the standard-tier prices above, input and output tokens per request as stated, 30 days. Excludes caching discounts and batch. Try your own numbers.

On the atlas

Price band (A–H) × context band (1–6)

Same square. Gemma 4 31B and Nemotron 3 Nano 30B A3B share B4.

Same square as Gemma 4 31B: Gemma 4 26B A4B ($0.07), Qwen3 Coder 30B A3B Instruct ($0.07), Nemotron 3 Super ($0.08). Open B4

AFreeB<$0.10C$0.10–0.30D$0.30–1E$1–3F$3–10G$10–30H$30+1<32K232–128K3128–256K4256K–1M51M6>1MINPUT PRICE PER 1M TOKENS →CONTEXT WINDOW ↑ · position within a square follows the real valueQwen3 235B A22B Instruct 2507 · B4Nemotron 3 Super · B4Qwen3.5-35B-A3B · B4Qwen3 Coder 30B A3B Instruct · B4Gemma 4 26B A4B · B4Gemma 4 31BGemma 4 31BNemotron 3 Nano 30B A3BNemotron 3 Nano 30B A3B
Gemma 4 31BNemotron 3 Nano 30B A3BNearest neighboursOpen weights
View the map as a table (1 squares)
SquarePrice bandContext bandModels
GRIDB4<$0.10256K–1MGemma 4 31B, Nemotron 3 Nano 30B A3B, Qwen3 235B A22B Instruct 2507, Nemotron 3 Super, Qwen3.5-35B-A3B, Qwen3 Coder 30B A3B Instruct, Gemma 4 26B A4B

Capabilities side by side

Only what our records list

Gemma 4 31B
Nemotron 3 Nano 30B A3B
Vision input
Not disclosed
Not disclosed
Audio input
Not disclosed
Not disclosed
Open weights
Not marked open
Not marked open
Batch tier
Not listed
Not listed
Free tier
Supported
Not listed
Thinking tier
Not listed
Not listed

Neither record lists input types, so we do not claim any.

Which should you choose?

Editorial

Choose Gemma 4 31B if…

  • you want to try it free: it lists a free tier

Choose Nemotron 3 Nano 30B A3B if…

  • you pay by the token: it costs $0.06 per 1M input against $0.09
  • output dominates your bill: $0.24 per 1M output against $0.34

Each reason is a fact from the tables above. Picking between them is our judgement, and we do not benchmark quality: price and context are what we can measure, so test both on your own prompts before you commit.

Questions

Is Gemma 4 31B better than Nemotron 3 Nano 30B A3B?
We do not benchmark quality, so we cannot say. On the recorded numbers: Nemotron 3 Nano 30B A3B is about 1.5× cheaper on input ($0.06 against $0.09 per 1M tokens) and on output. Both have a 262K-token context window. For a support chatbot at 10,000 chats a day, the standard-tier bill is about $71.10 a month for Gemma 4 31B and $48.60 for Nemotron 3 Nano 30B A3B. Which is better for you depends on your task; test both on your own prompts.
Which is cheaper, Gemma 4 31B or Nemotron 3 Nano 30B A3B?
Nemotron 3 Nano 30B A3B: $0.06 against $0.09 per 1M input tokens, and $0.24 against $0.34 per 1M output, on standard pricing.
How much does each cost per 1M tokens?
Gemma 4 31B: $0.09 input and $0.34 output. Nemotron 3 Nano 30B A3B: $0.06 input and $0.24 output. Standard tier, USD.
Which has the larger context window?
Neither: both have 262,144 tokens.
Do both offer batch pricing?
Neither lists a batch tier in our catalogue.
Can both read images or audio?
Input types recorded for Gemma 4 31B: none recorded. For Nemotron 3 Nano 30B A3B: none recorded. Where a record lists none we say so rather than guess; check each vendor's documentation before relying on a capability.
Is either model open-weight?
Gemma 4 31B: not marked open-weight in our records. Nemotron 3 Nano 30B A3B: not marked open-weight in our records.
Is either model free?
Gemma 4 31B is listed at no per-token charge; Nemotron 3 Nano 30B A3B is not. Read the provider's limits before relying on a free offer.
What would each cost for a support chatbot?
At 10,000 chats a day, 1,500 input and 300 output tokens each, 30 days, standard tier: about $71.10 a month for Gemma 4 31B and $48.60 for Nemotron 3 Nano 30B A3B. This is our calculation from the listed prices, not a quote.

About the two models

Gemma 4 31B

By Google. $0.09 input and $0.34 output per 1M tokens, 262K context, atlas square B4. Tiers listed: free, standard.

Full specs & pricing →

Nemotron 3 Nano 30B A3B

By NVIDIA. $0.06 input and $0.24 output per 1M tokens, 262K context, atlas square B4. Tiers listed: standard.

Full specs & pricing →

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