API cost decision in 10 seconds

Nemotron Nano 12B 2 VL (free) vs Gemini 3.1 Pro Preview Custom Tools

Pick Nemotron Nano 12B 2 VL (free) for lower cost; pick Gemini 3.1 Pro Preview Custom Tools only if the larger context window matters more.

Page updated:  Data confirmed:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Nemotron Nano 12B 2 VL (free) for lower cost; pick Gemini 3.1 Pro Preview Custom Tools only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Nemotron Nano 12B 2 VL (free) is estimated at $0 vs $8 for Gemini 3.1 Pro Preview Custom Tools, saving $8 (100% lower).

Cost-first pickNemotron Nano 12B 2 VL (free)
Context-first pickGemini 3.1 Pro Preview Custom Tools
Sample savings$8100%
10x traffic gap$80

Gemini 3.1 Pro Preview Custom Tools has more context, but Nemotron Nano 12B 2 VL (free) saves $8 on the standard workload. At 10x that traffic, the same price gap is about $80. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Nemotron Nano 12B 2 VL (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickNemotron Nano 12B 2 VL (free)Gemini 3.1 Pro Preview Custom Tools
Input-heavy / RAG5M input + 500K outputNemotron Nano 12B 2 VL (free)$0$16
Balanced workload1M input + 1M outputNemotron Nano 12B 2 VL (free)$0$14
Output-heavy chatbot1M input + 5M outputNemotron Nano 12B 2 VL (free)$0$62
Cheaper input Nemotron Nano 12B 2 VL (free) $0 vs $2 / 1M

Nemotron Nano 12B 2 VL (free) is free for input tokens while Gemini 3.1 Pro Preview Custom Tools costs $2 per 1M tokens.

Cheaper output Nemotron Nano 12B 2 VL (free) $0 vs $12 / 1M

Nemotron Nano 12B 2 VL (free) is free for output tokens while Gemini 3.1 Pro Preview Custom Tools costs $12 per 1M tokens.

Larger context Gemini 3.1 Pro Preview Custom Tools 128K vs 1.05M

Gemini 3.1 Pro Preview Custom Tools has 920.76K more context (8.19x larger).

Sample workload Nemotron Nano 12B 2 VL (free) $0 vs $8

Nemotron Nano 12B 2 VL (free) is free for the standard workload while the other model is estimated at $8.

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Nemotron Nano 12B 2 VL (free) Calculating… Estimated API cost
Gemini 3.1 Pro Preview Custom Tools Calculating… Estimated API cost
Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Nemotron Nano 12B 2 VL (free) has the lower input price; Nemotron Nano 12B 2 VL (free) has the lower output price; Gemini 3.1 Pro Preview Custom Tools offers the larger context window. For the 1M input plus 500K output sample, Nemotron Nano 12B 2 VL (free) is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0 for Nemotron Nano 12B 2 VL (free) and $8 for Gemini 3.1 Pro Preview Custom Tools.

Best Fit

Choose Nemotron Nano 12B 2 VL (free) when you care most about lower input-token price, and lower output-token price.

Choose Gemini 3.1 Pro Preview Custom Tools when you care most about larger context window.

Decision Notes
  • On the standard 1M input plus 500K output workload, Nemotron Nano 12B 2 VL (free) is estimated at $0 vs $8 for Gemini 3.1 Pro Preview Custom Tools, saving $8 (100% lower).
  • Nemotron Nano 12B 2 VL (free) is free for the standard workload while the other model is estimated at $8.
  • Nemotron Nano 12B 2 VL (free) is free for input tokens while Gemini 3.1 Pro Preview Custom Tools costs $2 per 1M tokens.
  • Nemotron Nano 12B 2 VL (free) is free for output tokens while Gemini 3.1 Pro Preview Custom Tools costs $12 per 1M tokens.
  • Gemini 3.1 Pro Preview Custom Tools has 920.76K more context (8.19x larger).
Head-to-Head Specs
FeatureNemotron Nano 12B 2 VL (free)
(NVIDIA)
Gemini 3.1 Pro Preview Custom Tools
(Google)
Input Price
prompt tokens per 1M
$0$2
Completion Price
per 1M tokens
$0$12
Sample Workload Cost
1M input + 500K output
$0$8
Context Window128K1.05M
Release Date
Popularity#128#132

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionNemotron Nano 12B 2 VL (free)On the standard 1M input plus 500K output workload, Nemotron Nano 12B 2 VL (free) is estimated at $0 vs $8 for Gemini 3.1 Pro Preview Custom Tools, saving $8 (100% lower).
High-volume input processingNemotron Nano 12B 2 VL (free)Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsNemotron Nano 12B 2 VL (free)Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workGemini 3.1 Pro Preview Custom ToolsA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • Gemma 4 31B (free) can replace Gemini 3.1 Pro Preview Custom Tools when lower sample workload cost matters most: $0.
  • Gemma 4 26B A4B (free) can replace Gemini 3.1 Pro Preview Custom Tools when lower sample workload cost matters most: $0.
  • Lyria 3 Clip Preview can replace Gemini 3.1 Pro Preview Custom Tools when lower sample workload cost matters most: $0.
  • Lyria 3 Pro Preview can replace Gemini 3.1 Pro Preview Custom Tools when lower sample workload cost matters most: $0.
Larger context near this budget
  • Llama 4 Scout offers 10M context with $0.23 sample workload cost.
  • Grok 4.20 offers 2M context with $2.5 sample workload cost.
  • Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
  • GPT-5.4 offers 1.05M context with $10 sample workload cost.

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

Open cheapest models

Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

Open largest context models

Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

Open provider hubs

NVIDIA catalog

Review all tracked NVIDIA models before deciding whether this matchup is the right shortlist.

Open NVIDIA models

Google catalog

Check other Google models with comparable pricing, context, or release timing.

Open Google models
Nemotron Nano 12B 2 VL (free)

NVIDIA Nemotron Nano 2 VL is a 12-billion-parameter open multimodal reasoning model designed for video understanding and document intelligence. It introduces a hybrid Transformer-Mamba architecture, combining transformer-level accuracy with Mamba’s...

Gemini 3.1 Pro Preview Custom Tools

Gemini 3.1 Pro Preview Custom Tools is a variant of Gemini 3.1 Pro that improves tool selection behavior by preventing overuse of a general bash tool when more efficient third-party...