Last refreshed 2026-06-04. Next refresh: weekly.
Why use Phi 4 Reasoning Plus on Microsoft Foundry?
Microsoft Foundry offers Phi 4 Reasoning Plus with pay-as-you-go pricing at $0.13/1M input tokens. Microsoft Foundry is a unified Azure platform-as-a-service offering for enterprise AI operations, model builders, and application development.
Compare Phi 4 Reasoning Plus across 2 providers to find the best fit for your use caseInput / 1M
$0.125
Output / 1M
$0.50
Cache
Not sourced
Batch
Not sourced
Setup recipe
Docs fallbackInstall
Use the provider REST API or SDKAuth
Create a provider API keyCall
model: microsoft:phi4reasoningplusModel ID
microsoft:phi4reasoningplusRequest example
Curated snippets for this provider are not sourced yet. Use Microsoft Foundry documentation with model ID
microsoft:phi4reasoningplus.Gotchas
- Use provider model ID "microsoft:phi4reasoningplus", not the LLMReference slug "phi-4-reasoning-plus".
Compare Phi 4 Reasoning Plus Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Fireworks AI | $0.50 | $0.50 |
| Microsoft Foundry | $0.13 | $0.50 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.13 |
| Output tokens | $0.50 |
Capabilities
Reasoning
About Phi 4 Reasoning Plus
Phi 4 Reasoning Plus is Microsoft Research's Phi-4 model focused on step-by-step reasoning. It offers a 128K-token context window with weights openly available for self-hosting and scores 68.9 on GPQA.
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Model Specs
Released2025-01-01
Parameters14B
Context128k
ArchitectureDecoder Only
Knowledge cutoff2025-03