LLM Reference

Nemotron 3 Super-120B-A12B vs Phi-4 Reasoning Vision 15B

Nemotron 3 Super-120B-A12B (2026) and Phi-4 Reasoning Vision 15B (2026) are general-purpose language models from NVIDIA AI and Microsoft Research. Nemotron 3 Super-120B-A12B ships a 1.05m-token context window, while Phi-4 Reasoning Vision 15B ships a not-yet-sourced context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Phi-4 Reasoning Vision 15B is safer overall; choose Nemotron 3 Super-120B-A12B when provider fit matters.

Decision scorecard

Local evidence first
SignalNemotron 3 Super-120B-A12BPhi-4 Reasoning Vision 15B
Best forlong-context analysis and provider-routed productionmultimodal apps
Decision fitRAG, Long context, and ClassificationVision
Context window1.05m
Cheapest output$0.45/1M tokens-
Provider routes6 tracked0 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose Nemotron 3 Super-120B-A12B when...
  • Nemotron 3 Super-120B-A12B has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Nemotron 3 Super-120B-A12B has broader tracked provider coverage for fallback and procurement flexibility.
  • Nemotron 3 Super-120B-A12B uniquely exposes Structured outputs in local model data.
  • Local decision data tags Nemotron 3 Super-120B-A12B for RAG, Long context, and Classification.
Choose Phi-4 Reasoning Vision 15B when...
  • Phi-4 Reasoning Vision 15B uniquely exposes Multimodal in local model data.
  • Local decision data tags Phi-4 Reasoning Vision 15B for Vision.

Monthly cost at traffic

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

Nemotron 3 Super-120B-A12B

$185

Cheapest tracked route/tier: OpenRouter

Phi-4 Reasoning Vision 15B

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 Super-120B-A12B -> Phi-4 Reasoning Vision 15B
  • No overlapping tracked provider route is sourced for Nemotron 3 Super-120B-A12B and Phi-4 Reasoning Vision 15B; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Structured outputs before moving production traffic.
  • Phi-4 Reasoning Vision 15B adds Multimodal in local capability data.
Phi-4 Reasoning Vision 15B -> Nemotron 3 Super-120B-A12B
  • No overlapping tracked provider route is sourced for Phi-4 Reasoning Vision 15B and Nemotron 3 Super-120B-A12B; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Multimodal before moving production traffic.
  • Nemotron 3 Super-120B-A12B adds Structured outputs in local capability data.

Specs

Specification
Released2026-03-112026-03-12
Context window1.05m
Parameters120B15B
Architecturedecoder only-
LicenseUnknownMicrosoft Research
Knowledge cutoff-2025-03

Pricing and availability

Pricing attributeNemotron 3 Super-120B-A12BPhi-4 Reasoning Vision 15B
Input price$0.09/1M tokens-
Output price$0.45/1M tokens-
Providers-

Capabilities

CapabilityNemotron 3 Super-120B-A12BPhi-4 Reasoning Vision 15B
VisionNoNo
MultimodalNoYes
ReasoningNoNo
Function callingNoNo
Tool useNoNo
Structured outputsYesNo
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 multimodal input: Phi-4 Reasoning Vision 15B and structured outputs: Nemotron 3 Super-120B-A12B. 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 Super-120B-A12B has $0.09/1M input tokens and Phi-4 Reasoning Vision 15B has no token price sourced yet. Provider availability is 6 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.

Choose Nemotron 3 Super-120B-A12B when provider fit and broader provider choice are central to the workload. Choose Phi-4 Reasoning Vision 15B when provider fit 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 Super-120B-A12B or Phi-4 Reasoning Vision 15B open source?

Nemotron 3 Super-120B-A12B is listed under Unknown. Phi-4 Reasoning Vision 15B is listed under Microsoft Research. 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, Nemotron 3 Super-120B-A12B or Phi-4 Reasoning Vision 15B?

Phi-4 Reasoning Vision 15B 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 structured outputs, Nemotron 3 Super-120B-A12B or Phi-4 Reasoning Vision 15B?

Nemotron 3 Super-120B-A12B has the clearer documented structured outputs signal in this comparison. If structured outputs 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 Super-120B-A12B and Phi-4 Reasoning Vision 15B?

Nemotron 3 Super-120B-A12B is available on Cloudflare Workers AI, DeepInfra, NVIDIA NIM, OpenRouter, and Fireworks AI. Phi-4 Reasoning Vision 15B is available on the tracked providers still being sourced. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

When should I pick Nemotron 3 Super-120B-A12B over Phi-4 Reasoning Vision 15B?

Phi-4 Reasoning Vision 15B is safer overall; choose Nemotron 3 Super-120B-A12B when provider fit matters. If your workload also depends on provider fit, start with Nemotron 3 Super-120B-A12B; if it depends on provider fit, run the same evaluation with Phi-4 Reasoning Vision 15B.

Continue comparing

Last reviewed: 2026-06-01. Data sourced from public model cards and provider documentation.