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Phi-4

by Microsoft · Text & Chat · Code

Microsoft's small genius model.

80/100AIVerso score
#43 of 49in Text & Chat
FreeStarting price
YesFree tier
Try Phi-4 →Compare with alternatives →

At a glance

ProviderMicrosoft
CategoryText & Chat, Code
Starting priceFree
Pricing detailsFree (Open Source)
Free tierYes
API accessYes
Open sourceYes
Context window16K tokens
Mobile appNo

Key facts

Capability ratings

Math & Logice.g. AIME, MATH-500
78
Programminge.g. SWE-bench, LiveCodeBench
70
Reasoninge.g. GPQA, ARC
72
Knowledgee.g. MMLU-Pro
76
Long Contexte.g. MRCR, needle tests
65
Instruction Followinge.g. IFEval
78
Agent Capabilitye.g. Terminal-Bench, tool use
55

AIVerso capability ratings (0–100), an editorial summary informed by public benchmark results. Higher is better.

Features

✗ Image generation
✗ Video generation
✗ Native audio model
✗ Web search
✗ Voice mode (app)
✗ PDF analysis

Strengths

Free tier available
Open source / open weights — self-hostable
API access for developers

Limitations

No built-in web search
Small context window
No official mobile app

Best alternatives to Phi-4

Claude Fable 5.1
Anthropic · $10/$50 per 1M tokens — Higher score (99 vs 80)
99
GPT-6 Astra
OpenAI · From $20/mo (Plus) — Higher score (98 vs 80)
98
Fugu Ultra v2
Sakana AI · $5/$30 per 1M tokens — Higher score (97 vs 80)
97
Gemini 3.1 Pro
Google · Free – $20/mo · free tier — Higher score (96 vs 80)
96
MiMo-V2.6-Pro
Xiaomi · Free (open weights) · $0.44/$0.87 per 1M · free tier — Higher score (96 vs 80)
96

🔗 Comparisons & guides

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❓ Frequently Asked Questions

Is Phi-4 free?

Yes — Phi-4 has a free tier. Pricing: Free (details: Free (Open Source)).

What are the best alternatives to Phi-4?

The highest-rated AI chatbots & text models from other providers on AIVerso are Claude Fable 5.1 (99/100), GPT-6 Astra (98/100), Fugu Ultra v2 (97/100).

Does Phi-4 have an API?

Yes, Phi-4 can be used via an API.

Is Phi-4 open source?

Yes — Phi-4 is available as open source / open weights, so it can be self-hosted.

How does AIVerso rate Phi-4?

Phi-4 scores 80/100 on AIVerso and ranks #43 of 49 in Text & Chat. Scores combine public benchmark results, features and pricing; commissions never influence them.

How we rate: Scores and capability ratings are based on public benchmarks, provider documentation, features and pricing — not on commission rates. Prices can change; check the provider's site before buying. Last updated: September 29, 2026.