MicrosoftfastTool use

Phi 4 Mini

131K context·~98K words·4K max output

View context details Compare with Amazon Titan Text Express

Context window131Ktokens

Max output4Ktokens

Context window

This model accepts 131K tokens in one request (~98K words of text).

Context window size131K tokens

4K32K128K1M10M

What fits in one request

Short document
About 1,500 words of text
Fits
Long document
About 37K words of text
Fits
Small codebase
About 150K words of text
Won't fit
Full novel
About 375K words of text
Won't fit

Specifications

Context size, pricing, and release info in one place.

Context window: 131,072 tokens (131K)
Max output tokens: 4,096 tokens (4K)
Speed tier: fast
Provider: Microsoft
Input cost: $0.075/M / 1M tokens
Output cost: $0.300/M / 1M tokens

Capabilities

See which features this model supports, such as vision, tools, and streaming.

Supported (3)

Tool use: Can call external tools and APIs; Supported
Function calling: Structured function call interface; Supported
Streaming: Returns tokens as they are generated; Supported

Not supported (5)

Vision: Accepts image inputs alongside text; Not supported
Extended thinking: Shows its chain-of-thought reasoning; Not supported
Web search: Can browse the web during a request; Not supported
Batch API: Process many requests asynchronously; Not supported
Prompt caching: Reuse repeated prompt prefixes cheaply; Not supported

Best for

Jump to a guide or ranking that matches each workload.

AI agents Long documents RAG Chatbots

Compare Phi 4 Mini

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Frequently asked questions

Short answers about context size and how this model behaves.

Phi 4 Mini has a context window of 131K tokens (131,072 tokens). This covers most professional use cases including large code files, lengthy reports, and long conversation histories.

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