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Phi 4

Phi 4 is a cost-efficient model with standard context support, suited to advanced reasoning for enterprise teams.

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Last reviewed: 2026-09-02

Phi 4

Microsoft

Stable
Context Window
16,384
Input / 1M
$0.11
Output / 1M
$0.21

What can you do with Phi 4?

Practical ways teams can use Phi 4 inside governed AI workflows.

01

Summarize long documents with Phi 4

Condense contracts, policies, technical specs, RFPs, and research reports into decision-ready summaries with Phi 4.

02

Support finance planning with Phi 4

Draft budget narratives, explain spend drivers, create forecast assumptions, and summarize vendor costs with Phi 4.

03

Prepare legal and compliance reviews with Phi 4

Extract obligations, flag risky clauses, compare policy language, and prepare review checklists with Phi 4.

04

Create presentations with Phi 4

Turn notes, research, and meeting outcomes into structured slide outlines, speaker notes, and executive narratives with Phi 4.

05

Code and debug with Phi 4

Draft features, explain unfamiliar code, generate tests, review pull requests, and reason through implementation tradeoffs with Phi 4.

06

Analyze spreadsheets with Phi 4

Interpret CSV exports, explain variance, generate formulas, and identify operational or financial patterns with Phi 4.

07

Draft customer communications with Phi 4

Create support replies, sales follow-ups, onboarding emails, renewal messages, and account updates with Phi 4.

08

Build workflow automations with Phi 4

Plan agent steps, transform data between tools, create structured outputs, and support repeatable operations with Phi 4.

09

Research competitors and markets with Phi 4

Synthesize market signals, positioning, pricing context, customer segments, and competitive risks with Phi 4.

10

Create knowledge-base answers with Phi 4

Answer employee questions from internal policies, product docs, training material, and operating procedures with Phi 4.

11

Improve security reviews with Phi 4

Classify risk, draft incident summaries, review access patterns, and create remediation action lists with Phi 4.

12

Generate product and marketing copy with Phi 4

Create landing-page drafts, positioning variants, launch messaging, ad concepts, and campaign briefs with Phi 4.

Why this model

Phi 4 is available in Remova as a standard context option with $0.11 per 1M tokens input pricing, $0.21 per 1M tokens output pricing, and text input to text output support.

  • Phi 4 offers standard context capacity for enterprise prompts and documents.
  • Current Remova pricing band is cost-efficient: $0.11 per 1M tokens input and $0.21 per 1M tokens output.
  • Best-fit workloads include: Advanced reasoning.
  • Keep role-based access in place before broad rollout.

At a glance

Model ID
microsoft/phi-4
Context Window
16,384 tokens
Modality
Text input to text output
Input Modalities
Text
Output Modalities
Text
Input Price
$0.11 per 1M tokens
Output Price
$0.21 per 1M tokens
Provider
Microsoft
Listing Date
2025-01-10

Strengths

  • Phi 4 is suited for advanced reasoning.
  • Supports standard context for multi-step prompts and larger working sets.
  • Pricing profile is cost-efficient, enabling predictable workload routing decisions.
  • Can be paired with policy guardrails for safer deployment at scale.

Tradeoffs

  • Quality and latency should be benchmarked against your internal prompt set before broad rollout.
  • Standard context limits may require chunking or retrieval strategies for large documents.
  • Low-cost tiers can still underperform on high-consequence decisions without escalation paths.
  • Text-only modality can limit workflows that rely on image, audio, or document interpretation.

Best for

  • Phi 4 for complex analysis and long-form decision support.
  • Phi 4 for internal knowledge work with policy controls and audit trails.
  • Phi 4 for repeatable team workflows that need budget and access governance.
  • Phi 4 for productivity use cases that still need review and escalation paths.

Rollout checklist

  • Define where Phi 4 is default vs. fallback in your routing policy.
  • Enable role-based access and policy checks before opening access broadly.
  • Set spend guardrails by team and monitor weekly token consumption.
  • Start with one workflow, then expand after you verify quality and spend.
  • Re-run quality and cost benchmarks monthly as newer releases appear.

Related models

Explore adjacent model profiles for routing and benchmarking decisions.

Free Resource

Where Should Your Team Start with AI?

Tell us your industry and team size. We'll tell you which AI use cases will save the most time with the least setup.

You get

A shortlist of AI use cases ranked by impact and effort for your situation.

Tuning notes

frequency_penalty

Tune repetition control for long responses in multi-step workflows.

logit_bias

Use this parameter only with tested defaults in production workflows.

max_tokens

Set completion limits to avoid unpredictable long-output spend.

min_p

Use this parameter only with tested defaults in production workflows.

Free Assessment

What Could Go Wrong?

5 questions about how your company uses AI today. We'll show you the risks most companies miss until it's too late.

You get

A risk breakdown with the 3 things you should fix first.

Book demo
Knowledge Hub

Phi 4 FAQs

Choose Phi 4 when the workload aligns with advanced reasoning and quality targets justify its pricing profile.
It depends on workload mix. Most organizations use routing policies so routine traffic stays on lower-cost tiers.
Validate quality on real internal prompts, token efficiency, latency, and policy compliance behavior.

Deploy This Model With Governance

Use policy controls, role-based access, and budget guardrails before enabling advanced model tiers at scale.

Try Phi 4 with your team