API cost decision in 10 seconds

GLM 5.1 vs NewNemotron 3 Ultra

Pick Nemotron 3 Ultra when budget and context both matter.

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

Budget verdict

Pick Nemotron 3 Ultra when budget and context both matter.

On the standard 1M input plus 500K output workload, Nemotron 3 Ultra is estimated at $1.75 vs $2.52 for GLM 5.1, saving $0.77 (30.6% lower).

Cost-first pickNemotron 3 Ultra
Context-first pickNemotron 3 Ultra
Sample savings$0.7730.6%
10x traffic gap$7.7

Nemotron 3 Ultra is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $7.7. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Nemotron 3 Ultra stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickGLM 5.1Nemotron 3 Ultra
Input-heavy / RAG5M input + 500K outputNemotron 3 Ultra$6.44$3.75
Balanced workload1M input + 1M outputNemotron 3 Ultra$4.06$3
Output-heavy chatbot1M input + 5M outputNemotron 3 Ultra$16.38$13
Cheaper input Nemotron 3 Ultra $0.98 vs $0.5 / 1M

Nemotron 3 Ultra is $0.48 cheaper per 1M input tokens (49% lower; 1.96x difference).

Cheaper output Nemotron 3 Ultra $3.08 vs $2.5 / 1M

Nemotron 3 Ultra is $0.58 cheaper per 1M output tokens (18.8% lower; 1.23x difference).

Larger context Nemotron 3 Ultra 202.75K vs 1M

Nemotron 3 Ultra has 797.25K more context (4.93x larger).

Sample workload Nemotron 3 Ultra $2.52 vs $1.75

Nemotron 3 Ultra is $0.77 cheaper on the standard workload (30.6% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
GLM 5.1 Calculating… Estimated API cost
Nemotron 3 Ultra 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 3 Ultra has the lower input price; Nemotron 3 Ultra has the lower output price; Nemotron 3 Ultra offers the larger context window. For the 1M input plus 500K output sample, Nemotron 3 Ultra is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $2.52 for GLM 5.1 and $1.75 for Nemotron 3 Ultra.

Best Fit

Choose GLM 5.1 when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Choose Nemotron 3 Ultra when you care most about lower input-token price, lower output-token price, and larger context window.

Decision Notes
  • On the standard 1M input plus 500K output workload, Nemotron 3 Ultra is estimated at $1.75 vs $2.52 for GLM 5.1, saving $0.77 (30.6% lower).
  • Nemotron 3 Ultra is $0.77 cheaper on the standard workload (30.6% lower).
  • Nemotron 3 Ultra is $0.48 cheaper per 1M input tokens (49% lower; 1.96x difference).
  • Nemotron 3 Ultra is $0.58 cheaper per 1M output tokens (18.8% lower; 1.23x difference).
  • Nemotron 3 Ultra has 797.25K more context (4.93x larger).
Head-to-Head Specs
FeatureGLM 5.1
(Z.ai)		NewNemotron 3 Ultra
(NVIDIA)
Input Price
prompt tokens per 1M		$0.98$0.5
Completion Price
per 1M tokens		$3.08$2.5
Sample Workload Cost
1M input + 500K output		$2.52$1.75
Context Window202.75K1M
Release Date
Popularity#24#91

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionNemotron 3 UltraOn the standard 1M input plus 500K output workload, Nemotron 3 Ultra is estimated at $1.75 vs $2.52 for GLM 5.1, saving $0.77 (30.6% lower).
High-volume input processingNemotron 3 UltraLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsNemotron 3 UltraLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workNemotron 3 UltraA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • GLM 4.5 Air (free) can replace GLM 5.1 when lower sample workload cost matters most: $0.
  • GLM 4 32B can replace GLM 5.1 when lower sample workload cost matters most: $0.15.
  • GLM 4.7 Flash can replace GLM 5.1 when lower sample workload cost matters most: $0.26.
  • GLM 4.5 Air can replace GLM 5.1 when lower sample workload cost matters most: $0.55.
Larger context near this budget
  • Llama 4 Scout offers 10M context with $0.25 sample workload cost.
  • Grok 4.20 offers 2M context with $2.5 sample workload cost.
  • Owl Alpha offers 1.05M context with $0 sample workload cost.
  • DeepSeek V4 Flash offers 1.05M context with $0.2 sample workload cost.

Cheaper alternatives

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

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Larger context alternatives

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

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Provider catalogs

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

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Z.ai catalog

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

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NVIDIA catalog

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

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