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Phi-3.5-mini-instruct API status on Hugging Face

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Phi-3.5 Mini Instruct is Microsoft's efficient 3.8B open model, available free on Hugging Face's Serverless Inference API.

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API Details

Copy-ready connection details

Use these values in your client or SDK.
Base URL
https://router.huggingface.co/v1
Model ID
phi-3-5-mini-instruct
API format OpenAI Chat Completions + OpenAI Responses
Technical Details

Phi-3.5-mini-instruct specifications

Provider catalog
Context window 128K
Max output 4K
Status Check provider
Last updated May 23, 2026
Free listing since May 10, 2026
Input text
Output text
AI Recommendation

Should you use Phi-3.5-mini-instruct?

Phi-3.5-mini-instruct is listed for chat workloads and supports a 128K context window.

Check Hugging Face's current endpoint status before integrating this listing. Use the alternatives table if the provider listing is unavailable.

Best for
  • Chat
Strengths & Weaknesses

Strengths

  • Long context window

Watch outs

  • Current endpoint availability needs provider confirmation
  • Free-tier rate limits apply
  • Vision support is not listed
  • Tool calling is not confirmed
Availability

Phi-3.5-mini-instruct availability by provider

Current provider only

We only found this Phi-3.5-mini-instruct listing on Hugging Face in the current catalog. Use the related models section for nearby alternatives.

Provider Model listing Access Context API Limits
Hugging Face Phi-3.5-mini-instruct Check provider 128K Native Credit-metered
View Hugging Face setup guide →
Typical Use Cases

Phi-3.5-mini-instruct use cases

Chat

Phi-3.5-mini-instruct is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

Phi-3.5-mini-instruct free API FAQ

Is Phi-3.5-mini-instruct free to use?

Phi-3.5-mini-instruct appears in the free model catalog for Hugging Face, but its current endpoint availability should be confirmed with the provider before use.

What is the Phi-3.5-mini-instruct model ID?

The model ID shown in this catalog is phi-3-5-mini-instruct.

What are the Phi-3.5-mini-instruct free tier rate limits on Hugging Face?

The listed free tier limit is Credit-metered. Limits can change per account tier, so confirm against the provider dashboard.

What context window does Phi-3.5-mini-instruct support?

The listed context window is 128K tokens with up to 4K output tokens.

More about Phi-3.5-mini-instruct

Phi-3.5 Mini Instruct is Microsoft's efficient 3.8B open model, available free on Hugging Face's Serverless Inference API. Despite its small size, it delivers surprisingly strong reasoning and instruction-following for lightweight tasks, with a 128K context window that belies its compact footprint. Ideal for resource-constrained applications, simple Q&A, and as a baseline for model evaluation. Uses Hugging Face's native API format; approximately 1,000 requests per day on the free tier. Registration required.

For API keys, setup steps, and provider-level limits, see the Hugging Face provider page.