LLM Reference

Nemotron 3 VoiceChat vs Stockmark 2 100B Instruct

Nemotron 3 VoiceChat (2026) and Stockmark 2 100B Instruct (2025) are compact production models from NVIDIA AI and Stockmark. Nemotron 3 VoiceChat ships a not-yet-sourced context window, while Stockmark 2 100B Instruct ships a 128k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads. It focuses on practical selection signals rather than broad model-family marketing.

Nemotron 3 VoiceChat is safer overall; choose Stockmark 2 100B Instruct when provider fit matters.

Decision scorecard

Local evidence first
SignalNemotron 3 VoiceChatStockmark 2 100B Instruct
Best formultimodal appsgeneral production evaluation
Decision fitVisionLong context
Context window128k
Cheapest output--
Provider routes0 tracked1 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose Nemotron 3 VoiceChat when...
  • Nemotron 3 VoiceChat uniquely exposes Vision and Multimodal in local model data.
  • Local decision data tags Nemotron 3 VoiceChat for Vision.
Choose Stockmark 2 100B Instruct when...
  • Stockmark 2 100B Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Stockmark 2 100B Instruct has broader tracked provider coverage for fallback and procurement flexibility.
  • Local decision data tags Stockmark 2 100B Instruct for Long context.

Monthly cost at traffic

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

Nemotron 3 VoiceChat

Unavailable

No complete token price in local provider data

Stockmark 2 100B Instruct

Unavailable

No complete token price in local provider data

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

Switch friction

Nemotron 3 VoiceChat -> Stockmark 2 100B Instruct
  • No overlapping tracked provider route is sourced for Nemotron 3 VoiceChat and Stockmark 2 100B Instruct; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Vision and Multimodal before moving production traffic.
Stockmark 2 100B Instruct -> Nemotron 3 VoiceChat
  • No overlapping tracked provider route is sourced for Stockmark 2 100B Instruct and Nemotron 3 VoiceChat; plan for SDK, billing, or endpoint changes.
  • Nemotron 3 VoiceChat adds Vision and Multimodal in local capability data.

Specs

Specification
Released2026-03-162025-06-01
Context window128k
Parameters12B100B
Architecturedecoder onlydecoder only
LicenseNVIDIA Open ModelOpen Weights
OpennessOpen weightsOpen weights
Commercial useCommercial use allowed-
Knowledge cutoff--

Pricing and availability

Pricing attributeNemotron 3 VoiceChatStockmark 2 100B Instruct
Input price--
Output price--
Providers-

Pricing not yet sourced for either model.

Capabilities

CapabilityNemotron 3 VoiceChatStockmark 2 100B Instruct
VisionYesNo
MultimodalYesNo
ReasoningNoNo
Function callingNoNo
Tool useNoNo
Structured outputsNoNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint differs most on vision: Nemotron 3 VoiceChat and multimodal input: Nemotron 3 VoiceChat. 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: Nemotron 3 VoiceChat has no token price sourced yet and Stockmark 2 100B Instruct has no token price sourced yet. Provider availability is 0 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.

Choose Nemotron 3 VoiceChat when vision-heavy evaluation are central to the workload. Choose Stockmark 2 100B Instruct when provider fit and broader provider choice are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions. It also helps separate model capability from provider packaging, which can change cost and latency. For teams standardizing a stack, that distinction is often the difference between a benchmark win and a reliable deployment.

FAQ

Is Nemotron 3 VoiceChat or Stockmark 2 100B Instruct open source?

Nemotron 3 VoiceChat is listed under NVIDIA Open Model. Stockmark 2 100B Instruct is listed under Open Weights. 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 vision, Nemotron 3 VoiceChat or Stockmark 2 100B Instruct?

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

Which is better for multimodal input, Nemotron 3 VoiceChat or Stockmark 2 100B Instruct?

Nemotron 3 VoiceChat 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.

Where can I run Nemotron 3 VoiceChat and Stockmark 2 100B Instruct?

Nemotron 3 VoiceChat is available on the tracked providers still being sourced. Stockmark 2 100B Instruct is available on NVIDIA NIM. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

When should I pick Nemotron 3 VoiceChat over Stockmark 2 100B Instruct?

Nemotron 3 VoiceChat is safer overall; choose Stockmark 2 100B Instruct when provider fit matters. If your workload also depends on vision-heavy evaluation, start with Nemotron 3 VoiceChat; if it depends on provider fit, run the same evaluation with Stockmark 2 100B Instruct.

Continue comparing

Last reviewed: 2026-05-19. Data sourced from public model cards and provider documentation.