API cost decision in 10 seconds

NewNemotron 3 Ultra vs Kimi K2 Thinking

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 $1.85 for Kimi K2 Thinking, saving $0.1 (5.4% lower).

Cost-first pickNemotron 3 Ultra
Context-first pickNemotron 3 Ultra
Sample savings$0.15.4%
10x traffic gap$1

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 $1. 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 pickNemotron 3 UltraKimi K2 Thinking
Input-heavy / RAG5M input + 500K outputNemotron 3 Ultra$3.75$4.25
Balanced workload1M input + 1M outputNemotron 3 Ultra$3$3.1
Output-heavy chatbot1M input + 5M outputNemotron 3 Ultra$13$13.1
Cheaper input Nemotron 3 Ultra $0.5 vs $0.6 / 1M

Nemotron 3 Ultra is $0.1 cheaper per 1M input tokens (16.7% lower; 1.2x difference).

Cheaper output Tie $2.5 vs $2.5 / 1M

Both models report the same output price at $2.5 per 1M tokens.

Larger context Nemotron 3 Ultra 1M vs 262.14K

Nemotron 3 Ultra has 737.86K more context (3.81x larger).

Sample workload Nemotron 3 Ultra $1.75 vs $1.85

Nemotron 3 Ultra is $0.1 cheaper on the standard workload (5.4% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Nemotron 3 Ultra Calculating… Estimated API cost
Kimi K2 Thinking 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; both models tie on 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 $1.75 for Nemotron 3 Ultra and $1.85 for Kimi K2 Thinking.

Best Fit

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

Choose Kimi K2 Thinking when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Decision Notes
  • On the standard 1M input plus 500K output workload, Nemotron 3 Ultra is estimated at $1.75 vs $1.85 for Kimi K2 Thinking, saving $0.1 (5.4% lower).
  • Nemotron 3 Ultra is $0.1 cheaper on the standard workload (5.4% lower).
  • Nemotron 3 Ultra is $0.1 cheaper per 1M input tokens (16.7% lower; 1.2x difference).
  • Both models report the same output price at $2.5 per 1M tokens.
  • Nemotron 3 Ultra has 737.86K more context (3.81x larger).
Head-to-Head Specs
FeatureNewNemotron 3 Ultra
(NVIDIA)
Kimi K2 Thinking
(MoonshotAI)
Input Price
prompt tokens per 1M
$0.5$0.6
Completion Price
per 1M tokens
$2.5$2.5
Sample Workload Cost
1M input + 500K output
$1.75$1.85
Context Window1M262.14K
Release Date
Popularity#91#145

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 $1.85 for Kimi K2 Thinking, saving $0.1 (5.4% lower).
High-volume input processingNemotron 3 UltraLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsTieLower 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

Larger context near this budget
  • Llama 4 Scout offers 10M context with $0.25 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.
  • MiMo-V2.5 offers 1.05M context with $0.28 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

MoonshotAI catalog

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

Open MoonshotAI models
Nemotron 3 Ultra

NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...

Kimi K2 Thinking

Kimi K2 Thinking is Moonshot AI’s most advanced open reasoning model to date, extending the K2 series into agentic, long-horizon reasoning. Built on the trillion-parameter Mixture-of-Experts (MoE) architecture introduced in...