Phi-3 Medium 128K vs Qwen3-Max
Phi-3 Medium 128K (2024) and Qwen3-Max (2026) are compact production models from Microsoft Research and Alibaba. Phi-3 Medium 128K ships a 128K-token context window, while Qwen3-Max ships a 128K-token context window. On pricing, Phi-3 Medium 128K costs $0.5/1M input tokens versus $0.78/1M for the alternative. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit. It focuses on practical selection signals rather than broad model-family marketing.
Phi-3 Medium 128K is ~56% cheaper at $0.5/1M; pay for Qwen3-Max only for vision-heavy evaluation.
Decision scorecard
Local evidence first| Signal | Phi-3 Medium 128K | Qwen3-Max |
|---|---|---|
| Decision fit | Coding, Long context, and Classification | Coding, RAG, and Agents |
| Context window | 128K | 128K |
| Cheapest output | $1.5/1M tokens | $3.9/1M tokens |
| Provider routes | 2 tracked | 1 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Phi-3 Medium 128K has the lower cheapest tracked output price at $1.5/1M tokens.
- Phi-3 Medium 128K has broader tracked provider coverage for fallback and procurement flexibility.
- Local decision data tags Phi-3 Medium 128K for Coding, Long context, and Classification.
- Qwen3-Max uniquely exposes Vision, Multimodal, and Function calling in local model data.
- Local decision data tags Qwen3-Max for Coding, RAG, and Agents.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output prices on this page.
Phi-3 Medium 128K
$775
Cheapest tracked route: Microsoft Foundry
Qwen3-Max
$1,599
Cheapest tracked route: OpenRouter
Estimated monthly gap: $824. Batch, cache, and negotiated pricing are excluded from this local estimate.
Switch friction
- No overlapping tracked provider route is sourced for Phi-3 Medium 128K and Qwen3-Max; plan for SDK, billing, or endpoint changes.
- Qwen3-Max is $2.4/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Qwen3-Max adds Vision, Multimodal, and Function calling in local capability data.
- No overlapping tracked provider route is sourced for Qwen3-Max and Phi-3 Medium 128K; plan for SDK, billing, or endpoint changes.
- Phi-3 Medium 128K is $2.4/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Vision, Multimodal, and Function calling before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-05-21 | 2026-01-15 |
| Context window | 128K | 128K |
| Parameters | 14B | — |
| Architecture | decoder only | decoder only |
| License | Open Source | Proprietary |
| Knowledge cutoff | 2023-10 | 2025-12 |
Pricing and availability
| Pricing attribute | Phi-3 Medium 128K | Qwen3-Max |
|---|---|---|
| Input price | $0.5/1M tokens | $0.78/1M tokens |
| Output price | $1.5/1M tokens | $3.9/1M tokens |
| Providers |
Capabilities
| Capability | Phi-3 Medium 128K | Qwen3-Max |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | No | No |
| Function calling | No | Yes |
| Tool use | No | Yes |
| Structured outputs | No | Yes |
| Code execution | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on vision: Qwen3-Max, multimodal input: Qwen3-Max, function calling: Qwen3-Max, tool use: Qwen3-Max, and structured outputs: Qwen3-Max. 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.
For cost, Phi-3 Medium 128K lists $0.5/1M input and $1.5/1M output tokens, while Qwen3-Max lists $0.78/1M input and $3.9/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Phi-3 Medium 128K lower by about $0.92 per million blended tokens. Availability is 2 providers versus 1, so concentration risk also matters.
Choose Phi-3 Medium 128K when provider fit, lower input-token cost, and broader provider choice are central to the workload. Choose Qwen3-Max 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
Which has a larger context window, Phi-3 Medium 128K or Qwen3-Max?
Phi-3 Medium 128K supports 128K tokens, while Qwen3-Max supports 128K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, Phi-3 Medium 128K or Qwen3-Max?
Phi-3 Medium 128K is cheaper on tracked token pricing. Phi-3 Medium 128K costs $0.5/1M input and $1.5/1M output tokens. Qwen3-Max costs $0.78/1M input and $3.9/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Phi-3 Medium 128K or Qwen3-Max open source?
Phi-3 Medium 128K is listed under Open Source. Qwen3-Max is listed under Proprietary. 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, Phi-3 Medium 128K or Qwen3-Max?
Qwen3-Max 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. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.
Which is better for multimodal input, Phi-3 Medium 128K or Qwen3-Max?
Qwen3-Max 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 Phi-3 Medium 128K and Qwen3-Max?
Phi-3 Medium 128K is available on Microsoft Foundry and NVIDIA NIM. Qwen3-Max is available on OpenRouter. Provider coverage can affect latency, region availability, compliance posture, and fallback options. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.
Continue comparing
Last reviewed: 2026-05-16. Data sourced from public model cards and provider documentation.