LLM Reference

Amazon Nova 2 Sonic vs Phi-4 Reasoning Vision 15B

Amazon Nova 2 Sonic (2025) and Phi-4 Reasoning Vision 15B (2026) are general-purpose language models from Amazon Web Services (AWS) AI and Microsoft Research. Amazon Nova 2 Sonic ships a not-yet-sourced 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 Amazon Nova 2 Sonic when provider fit matters.

Decision scorecard

Local evidence first
SignalAmazon Nova 2 SonicPhi-4 Reasoning Vision 15B
Best forgeneral production evaluationmultimodal apps
Decision fitGeneralVision
Context window
Cheapest output--
Provider routes1 tracked0 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose Amazon Nova 2 Sonic when...
  • Amazon Nova 2 Sonic has broader tracked provider coverage for fallback and procurement flexibility.
Choose Phi-4 Reasoning Vision 15B when...
  • Phi-4 Reasoning Vision 15B uniquely exposes Vision and 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.

Amazon Nova 2 Sonic

Unavailable

No complete token price in local provider data

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

Amazon Nova 2 Sonic -> Phi-4 Reasoning Vision 15B
  • No overlapping tracked provider route is sourced for Amazon Nova 2 Sonic and Phi-4 Reasoning Vision 15B; plan for SDK, billing, or endpoint changes.
  • Phi-4 Reasoning Vision 15B adds Vision and Multimodal in local capability data.
Phi-4 Reasoning Vision 15B -> Amazon Nova 2 Sonic
  • No overlapping tracked provider route is sourced for Phi-4 Reasoning Vision 15B and Amazon Nova 2 Sonic; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Vision and Multimodal before moving production traffic.

Specs

Specification
Released2025-11-012026-03-12
Context window
Parameters15B
Architecture--
LicenseProprietaryMIT
Knowledge cutoff-2025-03

Pricing and availability

Pricing attributeAmazon Nova 2 SonicPhi-4 Reasoning Vision 15B
Input price--
Output price--
Providers-

Pricing not yet sourced for either model.

Capabilities

CapabilityAmazon Nova 2 SonicPhi-4 Reasoning Vision 15B
VisionNoYes
MultimodalNoYes
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: Phi-4 Reasoning Vision 15B and multimodal input: Phi-4 Reasoning Vision 15B. 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: Amazon Nova 2 Sonic has no token price sourced yet and Phi-4 Reasoning Vision 15B has no token price sourced yet. Provider availability is 1 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.

Choose Amazon Nova 2 Sonic when provider fit and broader provider choice are central to the workload. Choose Phi-4 Reasoning Vision 15B when vision-heavy evaluation 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.

FAQ

Is Amazon Nova 2 Sonic or Phi-4 Reasoning Vision 15B open source?

Amazon Nova 2 Sonic is listed under Proprietary. Phi-4 Reasoning Vision 15B is listed under MIT. 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, Amazon Nova 2 Sonic or Phi-4 Reasoning Vision 15B?

Phi-4 Reasoning Vision 15B 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, Amazon Nova 2 Sonic 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.

Where can I run Amazon Nova 2 Sonic and Phi-4 Reasoning Vision 15B?

Amazon Nova 2 Sonic is available on AWS Bedrock. 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 Amazon Nova 2 Sonic over Phi-4 Reasoning Vision 15B?

Phi-4 Reasoning Vision 15B is safer overall; choose Amazon Nova 2 Sonic when provider fit matters. If your workload also depends on provider fit, start with Amazon Nova 2 Sonic; if it depends on vision-heavy evaluation, run the same evaluation with Phi-4 Reasoning Vision 15B.

Continue comparing

Last reviewed: 2026-06-04. Data sourced from public model cards and provider documentation.