Command A+ vs Phi-4 Reasoning Vision 15B
Command A+ (2026) and Phi-4 Reasoning Vision 15B (2026) are frontier reasoning models from Cohere and Microsoft Research. Command A+ ships a 128k-token context window, while Phi-4 Reasoning Vision 15B ships a not-yet-sourced context window. On Massive Multi-discipline Multimodal Understanding, Command A+ leads by 20.8 pts. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Command A+ is safer overall; choose Phi-4 Reasoning Vision 15B when vision-heavy evaluation matters.
Decision scorecard
Local evidence first| Signal | Command A+ | Phi-4 Reasoning Vision 15B |
|---|---|---|
| Best for | reasoning-heavy apps, multimodal apps, and tool-calling agents | multimodal apps |
| Decision fit | RAG, Agents, and Long context | Vision |
| Context window | 128k | — |
| Cheapest output | - | - |
| Provider routes | 1 tracked | 0 tracked |
| Shared benchmarks | Massive Multi-discipline Multimodal Understanding leader | 1 shared |
Decision tradeoffs
- Command A+ holds a shared-benchmark lead on Massive Multi-discipline Multimodal Understanding, ahead by 20.8 points.
- Command A+ has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Command A+ has broader tracked provider coverage for fallback and procurement flexibility.
- Command A+ uniquely exposes Reasoning, Function calling, and Tool use in local model data.
- Local decision data tags Command A+ for RAG, Agents, and Long context.
- 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.
Command A+
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
- No overlapping tracked provider route is sourced for Command A+ and Phi-4 Reasoning Vision 15B; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Reasoning, Function calling, and Tool use before moving production traffic.
- No overlapping tracked provider route is sourced for Phi-4 Reasoning Vision 15B and Command A+; plan for SDK, billing, or endpoint changes.
- Command A+ adds Reasoning, Function calling, and Tool use in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-05-20 | 2026-03-12 |
| Context window | 128k | — |
| Parameters | 218B total / 25B active | 15B |
| Architecture | Mixture of Experts | - |
| License | Proprietary | MITOSI-approved |
| Openness | Proprietary | Open source |
| Commercial use | Commercial use: conditional | Commercial use: permitted |
| Knowledge cutoff | 2025-04 | 2025-03 |
Pricing and availability
| Pricing attribute | Command A+ | Phi-4 Reasoning Vision 15B |
|---|---|---|
| Input price | - | - |
| Output price | - | - |
| Providers | - |
Pricing not yet sourced for either model.
Capabilities
| Capability | Command A+ | Phi-4 Reasoning Vision 15B |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | Yes | Yes |
| Reasoning | Yes | No |
| Function calling | Yes | No |
| Tool use | Yes | No |
| Structured outputs | Yes | No |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
| Benchmark | Command A+ | Phi-4 Reasoning Vision 15B |
|---|---|---|
| Massive Multi-discipline Multimodal Understanding | 75.1 | 54.3 |
Deep dive
On shared benchmark coverage, Massive Multi-discipline Multimodal Understanding has Command A+ at 75.1 and Phi-4 Reasoning Vision 15B at 54.3, with Command A+ ahead by 20.8 points. The largest visible gap is 20.8 points on Massive Multi-discipline Multimodal Understanding, 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 reasoning mode: Command A+, function calling: Command A+, tool use: Command A+, and structured outputs: Command A+. Both models share vision and multimodal input, 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: Command A+ 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 Command A+ when reasoning depth 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.
FAQ
Is Command A+ or Phi-4 Reasoning Vision 15B open source?
Command A+ 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, Command A+ or Phi-4 Reasoning Vision 15B?
Both Command A+ and Phi-4 Reasoning Vision 15B expose vision. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Which is better for multimodal input, Command A+ or Phi-4 Reasoning Vision 15B?
Both Command A+ and Phi-4 Reasoning Vision 15B expose multimodal input. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Which is better for reasoning mode, Command A+ or Phi-4 Reasoning Vision 15B?
Command A+ 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, Command A+ or Phi-4 Reasoning Vision 15B?
Command A+ 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 Command A+ and Phi-4 Reasoning Vision 15B?
Command A+ is available on Cohere API. 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.
Continue comparing
Last reviewed: 2026-06-04. Data sourced from public model cards and provider documentation.