What is Microsoft Phi 4?
Microsoft Phi 4 is a language model in the o10 fulfillment catalog (slug: microsoft-phi-4).
Catalog snapshot 2026-06-27.
Microsoft Phi 4 is listed in the o10 fulfillment catalog as of 2026-06-27. Openrouter publishes this model. o10 lists Microsoft Phi 4 on OpenRouter at routing band C0.
Last updated: 2026-06-27. Full catalog
Microsoft Phi 4 — specs, hosts, and routing
AnswersSelf-contained
How much does Microsoft Phi 4 cost per million tokens?
Microsoft Phi 4 does not have published per-token pricing in the current gateway snapshot. See fulfillment hosts below for routing options.
Pricing unavailable in current snapshot.
Where can you run Microsoft Phi 4?
Microsoft Phi 4 is configured on OpenRouter. Each host maps to an upstream model ID listed in the fulfillment routes table. This model is routable through o10 eval-gated routing.
What is Microsoft Phi 4's context window?
Microsoft Phi 4 context limits depend on the fulfillment host. Check the specifications table for endpoint-specific limits.
What o10 routing band is Microsoft Phi 4?
Microsoft Phi 4 is classified at o10 routing band C0. Bands group models by cost tier and eval profile: C0 (economy), C1 (standard), C2 (capable), C3/C4 (frontier). Production routing is enabled for this slug.
Who makes Microsoft Phi 4?
Microsoft Phi 4 is attributed to source provider openrouter in the o10 catalog. Fulfillment hosts (OpenRouter) supply API access; list pricing may differ by venue.
01Deep dive
Specifications
Microsoft Phi 4 in the o10 unified catalog.
| Field | Value |
|---|---|
| o10 slug | `microsoft-phi-4` |
| Type | text |
| Band | C0 |
| Routable | Yes |
| Source provider | openrouter |
| Primary host | OpenRouter |
02Deep dive
Fulfillment hosts
Upstream venues configured for Microsoft Phi 4.
| Host | Upstream model ID |
|---|---|
| openrouter | openrouter/microsoft/phi-4 |
03Deep dive
Routing with o10
Eval-gated model selection for this slug.
o10 slug: microsoft-phi-4. Band: C0. Routable: yes.
See [/models/routing](/models/routing) for smart aliases (o10/auto, o10/economy) and [/kyi](/kyi) for governance.
SourceMethodology
Fulfillment catalog 2026-06-27. Gateway pricing joined where slug match exists.
FAQFrequently asked questions
Common questions
How much does Microsoft Phi 4 cost?
Microsoft Phi 4 has no published per-token price in the current gateway snapshot. Use the fulfillment hosts table to identify available venues.
What is Microsoft Phi 4's context window?
Context limits for Microsoft Phi 4 vary by fulfillment host. See the specifications table on this page.
Which hosts serve Microsoft Phi 4?
Microsoft Phi 4 (microsoft-phi-4) is configured on: OpenRouter. Upstream model IDs are listed in the fulfillment routes section.
Is Microsoft Phi 4 routable through o10?
Yes. Microsoft Phi 4 is routable at band C0. Send model: "microsoft-phi-4" or use an o10 smart routing alias.
How do I call Microsoft Phi 4 via o10?
Use o10 slug "microsoft-phi-4" in the model field. See /models/routing for smart alias options (o10/auto, o10/economy).
How does o10 route this model?
o10 routes Microsoft Phi 4 only when per-use-case evals clear at your quality floor. Band C0 indicates cost tier. See /kyi for governance and /models/routing for smart aliases.