LLM Reference

DeepSeek V4 Pro vs Nemotron 3 Nano Omni

DeepSeek V4 Pro (2026) and Nemotron 3 Nano Omni (2026) are frontier reasoning models from DeepSeek and NVIDIA AI. DeepSeek V4 Pro ships a 1m-token context window, while Nemotron 3 Nano Omni ships a 262k-token context window. On MMLU PRO, DeepSeek V4 Pro leads by 15.7 pts. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Nemotron 3 Nano Omni is safer overall; choose DeepSeek V4 Pro when reasoning depth matters.

Decision scorecard

Local evidence first
SignalDeepSeek V4 ProNemotron 3 Nano Omni
Best forreasoning-heavy apps, tool-calling agents, and long-context analysismultimodal apps
Decision fitCoding, RAG, and AgentsLong context, Vision, and Classification
Context window1m262k
Cheapest output$0.87/1M tokens-
Provider routes5 tracked1 tracked
Shared benchmarksMMLU PRO leader1 rows

Decision tradeoffs

Choose DeepSeek V4 Pro when...
  • DeepSeek V4 Pro leads the largest shared benchmark signal on MMLU PRO by 15.7 points.
  • DeepSeek V4 Pro has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • DeepSeek V4 Pro has broader tracked provider coverage for fallback and procurement flexibility.
  • DeepSeek V4 Pro uniquely exposes Reasoning, Function calling, and Tool use in local model data.
  • Local decision data tags DeepSeek V4 Pro for Coding, RAG, and Agents.
Choose Nemotron 3 Nano Omni when...
  • Nemotron 3 Nano Omni uniquely exposes Multimodal in local model data.
  • Local decision data tags Nemotron 3 Nano Omni for Long context, Vision, and Classification.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

DeepSeek V4 Pro

$566

Cheapest tracked route/tier: DeepSeek Platform

Nemotron 3 Nano Omni

Unavailable

No complete token price in local provider data

Cost delta unavailable until both models have sourced input and output token prices.

Switch friction

DeepSeek V4 Pro -> Nemotron 3 Nano Omni
  • Provider overlap exists on OpenRouter; start route-level A/B tests there.
  • Check replacement coverage for Reasoning, Function calling, and Tool use before moving production traffic.
  • Nemotron 3 Nano Omni adds Multimodal in local capability data.
Nemotron 3 Nano Omni -> DeepSeek V4 Pro
  • Provider overlap exists on OpenRouter; start route-level A/B tests there.
  • Check replacement coverage for Multimodal before moving production traffic.
  • DeepSeek V4 Pro adds Reasoning, Function calling, and Tool use in local capability data.

Specs

Specification
Released2026-04-242026-04-28
Context window1m262k
Parameters1.6T30B
ArchitectureMixture of Experts (MoE) with CSA+HCA hybrid attentionHybrid Mamba-Transformer MoE
LicenseMITOpenMDW 1.1
Knowledge cutoff--

Pricing and availability

Pricing attributeDeepSeek V4 ProNemotron 3 Nano Omni
Input price$0.43/1M tokens-
Output price$0.87/1M tokens-
Providers

Capabilities

CapabilityDeepSeek V4 ProNemotron 3 Nano Omni
VisionNoNo
MultimodalNoYes
ReasoningYesNo
Function callingYesNo
Tool useYesNo
Structured outputsYesNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

BenchmarkDeepSeek V4 ProNemotron 3 Nano Omni
MMLU PRO87.571.8

Deep dive

On shared benchmark coverage, MMLU PRO has DeepSeek V4 Pro at 87.5 and Nemotron 3 Nano Omni at 71.8, with DeepSeek V4 Pro ahead by 15.7 points. The largest visible gap is 15.7 points on MMLU PRO, which matters most when that benchmark mirrors your workload. Treat isolated benchmark wins as directional, because provider routing, prompt style, and tool access can move real application results.

The capability footprint differs most on multimodal input: Nemotron 3 Nano Omni, reasoning mode: DeepSeek V4 Pro, function calling: DeepSeek V4 Pro, tool use: DeepSeek V4 Pro, and structured outputs: DeepSeek V4 Pro. Both models share the core language-model surface, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.

Pricing coverage is uneven: DeepSeek V4 Pro has $0.43/1M input tokens and Nemotron 3 Nano Omni has no token price sourced yet. Provider availability is 5 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.

Choose DeepSeek V4 Pro when reasoning depth, larger context windows, and broader provider choice are central to the workload. Choose Nemotron 3 Nano Omni when provider fit are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship.

FAQ

Which has a larger context window, DeepSeek V4 Pro or Nemotron 3 Nano Omni?

DeepSeek V4 Pro supports 1m tokens, while Nemotron 3 Nano Omni supports 262k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.

Is DeepSeek V4 Pro or Nemotron 3 Nano Omni open source?

DeepSeek V4 Pro is listed under MIT. Nemotron 3 Nano Omni is listed under OpenMDW 1.1. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.

Which is better for multimodal input, DeepSeek V4 Pro or Nemotron 3 Nano Omni?

Nemotron 3 Nano Omni has the clearer documented multimodal input signal in this comparison. If multimodal input is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Which is better for reasoning mode, DeepSeek V4 Pro or Nemotron 3 Nano Omni?

DeepSeek V4 Pro has the clearer documented reasoning mode signal in this comparison. If reasoning mode is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Which is better for function calling, DeepSeek V4 Pro or Nemotron 3 Nano Omni?

DeepSeek V4 Pro has the clearer documented function calling signal in this comparison. If function calling is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Where can I run DeepSeek V4 Pro and Nemotron 3 Nano Omni?

DeepSeek V4 Pro is available on DeepSeek Platform, Fireworks AI, OpenRouter, Vercel AI Gateway, and Novita AI. Nemotron 3 Nano Omni is available on OpenRouter. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

Continue comparing

Last reviewed: 2026-05-31. Data sourced from public model cards and provider documentation.