Microsoft: Phi 4

microsoft/phi-4

[Microsoft Research](/microsoft) Phi-4 is designed to perform well in complex reasoning tasks and can operate efficiently in situations with limited memory or where quick responses are needed. At 14 billion...

Modalities

In / out price

$0.070 / $0.14 per 1M

Context

16K

Released

Jan 10, 2025

Why use Phi 4

Structured (JSON) outputs

Pricing

Input	$0.070 / 1M tokens
Output	$0.14 / 1M tokens

List prices via OpenRouter, checked daily. Real cost depends on the provider and on reasoning tokens.

Cost calculator

Pick a task, set how often you run it, and compare what it costs on each model.

TaskInput tokens≈ 602 wordsOutput tokens≈ 1,504 wordsRuns per month

Input served from cache: 0%Repeated prompts (same instructions or document) are billed at the cheaper cache-read price where the model supports it.

Model	Per run	Per month	Per 1,000 runs
Microsoft: Phi 4	$0.0003	$0.336	$0.336

Estimates from list prices via OpenRouter; real bills vary by provider and reasoning tokens.

Will it fit? Context window simulator

Each square is about one page (500 words). Colored squares are your content; grey squares are free space in the model's context window.

Your content

Novel (90,000 words)

Total: about 120,000 tokens (≈ 90,226 words). Token counts are estimates.

Models

Zoom (square size): 6pxZoom out to see a whole million-token window at once.

Microsoft: Phi 4

16,384 tokens ≈ 25 pages

Does not fit: needs 7.3× the window. The oldest 86% would be cut off.

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Why use Phi 4

Pricing

Cost calculator

Will it fit? Context window simulator

Microsoft: Phi 4

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