# Phi-4 vs Qwen3.7 Plus

Canonical HTML page: [Phi-4 vs Qwen3.7 Plus](<https://impossibl.com/compare/microsoft/phi-4/qwen/qwen3.7-plus>)
Markdown alternative: [Phi-4 vs Qwen3.7 Plus as Markdown](<https://impossibl.com/compare/microsoft/phi-4/qwen/qwen3.7-plus.md>)

Compare API pricing, context windows, and capabilities side by side. Prices are published API usage rates in USD; check billing units and context tiers alongside each price.

## Specifications and pricing

| Specification | Phi-4 | Qwen3.7 Plus |
| --- | --- | --- |
| API identifier | microsoft/phi-4 | qwen/qwen3.7-plus |
| Creator | Microsoft | Qwen |
| Model type | Text generation | Text generation |
| Inputs | text | text, image |
| Outputs | text | text |
| Base input price (USD) | $0.125 per million input tokens | $0.40 per million input tokens |
| Base output price (USD) | $0.50 per million output tokens | $1.60 per million output tokens |
| Cache read price (USD) | Not published | $0.08 per million cached input tokens |
| Cache write price (USD) | Not published | Not published |
| One-hour cache write price (USD) | Not published | Not published |
| Audio input token price (USD) | Not published | Not published |
| Context window | 16,000 tokens | 1,048,576 tokens |
| Tool calling | Not supported | Not published |
| Endpoints | /v1/chat/completions | /v1/chat/completions |
| Context pricing tiers (USD per million tokens) | None published | Over 262,144 input tokens: $1.20 input / $4.80 output |
| Retirement | Not announced in the public catalog | Not announced in the public catalog |

When total input, including cached input, strictly exceeds a context threshold, the highest qualifying tier applies to the whole request. Consult each model's complete Markdown for tier-specific cache rates; an unpublished tier cache price does not establish the base cache rate.

## Phi-4 vs Qwen3.7 Plus: side-by-side summary

Phi-4 and Qwen3.7 Plus are available through the Impossibl API.

They share the `/v1/chat/completions` endpoint. Set the model identifier to select the model for a supported request.

Phi-4 is created by Microsoft. It has a 16,000-token context window. Base API pricing (USD): $0.125 per million input tokens; $0.50 per million output tokens.

Qwen3.7 Plus is created by Qwen. It has a 1,048,576-token context window. Base API pricing (USD): $0.40 per million input tokens; $1.60 per million output tokens. Above 262,144 input tokens per request, context-tier rates apply to the whole request.

## Model details

- [Phi-4: full model facts as Markdown](<https://impossibl.com/microsoft/phi-4.md>); [HTML model page](<https://impossibl.com/microsoft/phi-4>)
- [Qwen3.7 Plus: full model facts as Markdown](<https://impossibl.com/qwen/qwen3.7-plus.md>); [HTML model page](<https://impossibl.com/qwen/qwen3.7-plus>)

For compatible text or embedding models with token pricing, the HTML comparison page provides a shared workload calculator. It excludes cache creation, tool calls, taxes, balance-purchase fees, and workspace-specific adjustments.

## Sources and related links

Prices, capabilities, limits, and availability describe the public Impossibl API offering. An unpublished fact is unknown; a published zero price is zero. Compare matching billing units and check context tiers before estimating costs.

- [Public Impossibl model catalog](<https://api.impossibl.com/v1/models>)
- [Full model directory as JSON](<https://impossibl.com/models.json>)
- [Model directory as Markdown](<https://impossibl.com/models.md>)
- [API quickstart](<https://impossibl.com/docs/agent-quickstart>)
- [Model documentation](<https://impossibl.com/docs/models>)