LLM Reference

Phi-4 14B vs Qwen2.5-Coder-1.5B

Phi-4 14B (2024) and Qwen2.5-Coder-1.5B (2024) compare a standalone API model against a coding-specialized model. Phi-4 14B ships a 16k-token context window, while Qwen2.5-Coder-1.5B ships a 32k-token context window. This page treats the result as workflow and deployment fit, not a universal model winner.

Treat this as a product-type comparison: Phi-4 14B is standalone API model, while Qwen2.5-Coder-1.5B is coding-specialized model. Choose based on workflow fit before reading any benchmark or price row as decisive.

Decision scorecard

Local evidence first
SignalPhi-4 14BQwen2.5-Coder-1.5B
Product typeStandalone API modelCoding-specialized model
Best forprovider-routed productioncustom coding agents and code generation
Decision fitClassification and JSON / Tool useCoding
Context window16k32k
Cheapest output$0.14/1M tokens-
Provider routes3 tracked0 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose Phi-4 14B when...
  • Phi-4 14B has broader tracked provider coverage for fallback and procurement flexibility.
  • Phi-4 14B uniquely exposes Structured outputs in local model data.
  • Local decision data tags Phi-4 14B for Classification and JSON / Tool use.
Choose Qwen2.5-Coder-1.5B when...
  • Qwen2.5-Coder-1.5B has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Local decision data tags Qwen2.5-Coder-1.5B for Coding.

Monthly cost at traffic

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

Phi-4 14B

$87.00

Cheapest tracked route/tier: OpenRouter

Qwen2.5-Coder-1.5B

Unavailable

No complete token price in local provider data

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

Switch friction

Phi-4 14B -> Qwen2.5-Coder-1.5B
  • No overlapping tracked provider route is sourced for Phi-4 14B and Qwen2.5-Coder-1.5B; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Structured outputs before moving production traffic.
Qwen2.5-Coder-1.5B -> Phi-4 14B
  • No overlapping tracked provider route is sourced for Qwen2.5-Coder-1.5B and Phi-4 14B; plan for SDK, billing, or endpoint changes.
  • Phi-4 14B adds Structured outputs in local capability data.

Specs

Specification
Released2024-12-132024-09-19
Context window16k32k
Parameters14B1.54B
Architecturedecoder onlydecoder only
LicenseMITApache 2.0
Knowledge cutoff2024-062024-02

Pricing and availability

Pricing attributePhi-4 14BQwen2.5-Coder-1.5B
Input price$0.07/1M tokens-
Output price$0.14/1M tokens-
Providers-

Capabilities

CapabilityPhi-4 14BQwen2.5-Coder-1.5B
VisionNoNo
MultimodalNoNo
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 structured outputs: Phi-4 14B. 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: Phi-4 14B has $0.07/1M input tokens and Qwen2.5-Coder-1.5B has no token price sourced yet. Provider availability is 3 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.

Choose Phi-4 14B when provider fit and broader provider choice are central to the workload. Choose Qwen2.5-Coder-1.5B when coding workflow support and larger context windows 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

Which has a larger context window, Phi-4 14B or Qwen2.5-Coder-1.5B?

Qwen2.5-Coder-1.5B supports 32k tokens, while Phi-4 14B supports 16k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.

Is Phi-4 14B or Qwen2.5-Coder-1.5B open source?

Phi-4 14B is listed under MIT. Qwen2.5-Coder-1.5B is listed under Apache 2.0. 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 structured outputs, Phi-4 14B or Qwen2.5-Coder-1.5B?

Phi-4 14B 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 Phi-4 14B and Qwen2.5-Coder-1.5B?

Phi-4 14B is available on OpenRouter, Fireworks AI, and Microsoft Foundry. Qwen2.5-Coder-1.5B 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 Phi-4 14B over Qwen2.5-Coder-1.5B?

Treat this as a product-type comparison: Phi-4 14B is standalone API model, while Qwen2.5-Coder-1.5B is coding-specialized model. Choose based on workflow fit before reading any benchmark or price row as decisive. If your workload also depends on provider fit, start with Phi-4 14B; if it depends on coding workflow support, run the same evaluation with Qwen2.5-Coder-1.5B.

Continue comparing

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