Phi-4 Models by Microsoft Research
9 models2024–2026Up to 128k ctxFrom $0.05/1M input
Last refreshed 2026-06-04. Next refresh: weekly.
Details
ResearcherMicrosoft Research
LicenseMITOSI-approved
Commercial useCommercial use: permitted
Models9
Released2024–2026
Max context128k
Capabilities
Vision3 of 9 models
Multimodal3 of 9 models
Reasoning4 of 9 models
Structured Outputs1 of 9 models
Links
WebsiteAbout
Phi-4 is a family of 9 AI models by Microsoft Research, released between 2024 and 2026.
Decision facts
- Best fit
- reasoningmultimodalvision and multimodal work
- Capability starting point
- Phi 4 Multimodal Instruct with 128k context and multimodal inputs
- Lowest tracked input
- Phi-4 Mini · $0.05/1M · Novita AI
- Closest related family
- Harrier
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
9 in view
Phi-4 Mini ReasoningCurrent
Use when the workload needs reasoning, 128k context, and 3.8B parameters.
2026-05reasoning128k context3.8B parameters
Phi-4 Reasoning Vision 15BCurrent
Use when the workload needs 15B parameters and multimodal inputs.
2026-0315B parametersmultimodal inputs
Phi-4 Mini Flash ReasoningCurrent
Use when the workload needs reasoning, 128k context, and 3.8B parameters.
2025-12reasoning128k context3.8B parameters
Phi 4 Multimodal InstructCurrent
Use when the workload needs multimodal, 128k context, and 5.6B parameters.
2025-01multimodal128k context5.6B parameters
Phi 4 Reasoning PlusCurrent
Use when the workload needs reasoning, 128k context, and 14B parameters.
2025-01reasoning128k context14B parameters
Phi 4 ReasoningCurrent
Use when the workload needs reasoning, 128k context, and 14B parameters.
2025-01reasoning128k context14B parameters
Phi-4 MultimodalCurrent
Use when the workload needs 128k context, 5.6B parameters, and multimodal inputs.
2025-01128k context5.6B parametersmultimodal inputs
Phi-4 14BCurrent
Use when the workload needs 16k context, 14B parameters, and structured outputs.
2024-1216k context14B parametersstructured outputs
Phi-4 MiniCurrent
Use when the workload needs 128k context and 3.8B parameters.
2024-12128k context3.8B parameters
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| Phi-4 Mini Reasoning | Use when the workload needs reasoning, 128k context, and 3.8B parameters. | 2026-05 | reasoning128k context3.8B parameters | Current |
| Phi-4 Reasoning Vision 15B | Use when the workload needs 15B parameters and multimodal inputs. | 2026-03 | 15B parametersmultimodal inputs | Current |
| Phi-4 Mini Flash Reasoning | Use when the workload needs reasoning, 128k context, and 3.8B parameters. | 2025-12 | reasoning128k context3.8B parameters | Current |
| Phi 4 Multimodal Instruct | Use when the workload needs multimodal, 128k context, and 5.6B parameters. | 2025-01 | multimodal128k context5.6B parameters | Current |
| Phi 4 Reasoning Plus | Use when the workload needs reasoning, 128k context, and 14B parameters. | 2025-01 | reasoning128k context14B parameters | Current |
| Phi 4 Reasoning | Use when the workload needs reasoning, 128k context, and 14B parameters. | 2025-01 | reasoning128k context14B parameters | Current |
| Phi-4 Multimodal | Use when the workload needs 128k context, 5.6B parameters, and multimodal inputs. | 2025-01 | 128k context5.6B parametersmultimodal inputs | Current |
| Phi-4 14B | Use when the workload needs 16k context, 14B parameters, and structured outputs. | 2024-12 | 16k context14B parametersstructured outputs | Current |
| Phi-4 Mini | Use when the workload needs 128k context and 3.8B parameters. | 2024-12 | 128k context3.8B parameters | Current |
Release Timeline
5 release groups2026-05
1 current
Phi-4 Mini Reasoning
Currentreasoning128k context3.8B parameters
2026-03
1 current
Phi-4 Reasoning Vision 15B
Current15B parametersmultimodal inputs
2025-12
1 current
Phi-4 Mini Flash Reasoning
Currentreasoning128k context3.8B parameters
2025-01
4 current
Phi 4 Multimodal Instruct
Currentmultimodal128k context5.6B parameters
Phi 4 Reasoning
Currentreasoning128k context14B parameters
Phi 4 Reasoning Plus
Currentreasoning128k context14B parameters
Phi-4 Multimodal
Current128k context5.6B parametersmultimodal inputs
2024-12
2 current
Phi-4 14B
Current16k context14B parametersstructured outputs
Phi-4 Mini
Current128k context3.8B parameters
Specifications(9 models)
| Model | Released | Context | Parameters | Vision | Multimodal | Reasoning | Structured Outputs |
|---|---|---|---|---|---|---|---|
| Phi-4 Mini Reasoning | 2026-05 | 128k | 3.8B | No | No | Yes | No |
| Phi-4 Reasoning Vision 15B | 2026-03 | — | 15B | Yes | Yes | No | No |
| Phi-4 Mini Flash Reasoning | 2025-12 | 128k | 3.8B | No | No | Yes | No |
| Phi 4 Multimodal Instruct | 2025-01 | 128k | 5.6B | Yes | Yes | No | No |
| Phi 4 Reasoning Plus | 2025-01 | 128k | 14B | No | No | Yes | No |
| Phi 4 Reasoning | 2025-01 | 128k | 14B | No | No | Yes | No |
| Phi-4 Multimodal | 2025-01 | 128k | 5.6B | Yes | Yes | No | No |
| Phi-4 14B | 2024-12 | 16k | 14B | No | No | No | Yes |
| Phi-4 Mini | 2024-12 | 128k | 3.8B | No | No | No | No |
Available From(5 providers)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| Phi-4 Mini | Novita AI | $0.05 | $0.15 | Serverless |
| Phi-4 14B | OpenRouter | $0.065 | $0.14 | Serverless |
| Phi 4 Reasoning Plus | Microsoft Foundry | $0.125 | $0.5 | Serverless |
| Phi 4 Reasoning Plus | Fireworks AI | $0.5 | $0.5 | Serverless |
| Phi 4 Reasoning | Fireworks AI | $0.5 | $0.5 | Serverless |
| Phi-4 14B | Fireworks AI | $0.9 | $0.9 | Serverless |
| Phi-4 Mini | Fireworks AI | $0.9 | $0.9 | Serverless |
| Phi 4 Multimodal Instruct | Fireworks AI | $0.9 | $0.9 | Serverless |
Popular comparisons in this family
- Phi-4 Mini Flash Reasoning vs Qwen3.5-9B106
- Together AI - Gemma 3n-e4B vs Phi-4 Mini Flash Reasoning98
- Gemma 2 9B SahabatAI Instruct vs Phi-4 Mini Flash Reasoning86
- ByteDance Doubao Seed 2.0 Pro vs Phi-4 Mini Flash Reasoning79
- Llama 3 8B Instruct vs Phi-4 Mini Flash Reasoning63
- Llama 3.2 1B Instruct vs Phi-4 Mini Flash Reasoning55
- Phi 3.5 Vision Instruct vs Phi-4 Mini Flash Reasoning53
- Grok 4.3 vs Phi-4 Reasoning Vision 15B53
- GPT-5 vs Phi-4 Mini Flash Reasoning51
- Hunyuan Hy3 Preview vs Phi-4 Reasoning Vision 15B50
Related Model Families
Models(9)
Phi-4 Mini Reasoning
2026-05128k3.8B
ReasoningOpen Source
Phi-4 Reasoning Vision 15B
2026-0315B
MultimodalOpen Source
Phi-4 Mini Flash Reasoning
2025-12128k3.8B1 provider
ReasoningOpen Source
Phi 4 Multimodal Instruct
2025-01128k5.6B3 providers
MultimodalOpen Source
Phi 4 Reasoning Plus
2025-01128k14B2 providers
ReasoningOpen Source
Phi 4 Reasoning
2025-01128k14B2 providers
ReasoningOpen Source
Phi-4 Multimodal
2025-01128k5.6B
MultimodalOpen Source
Phi-4 14B
2024-1216k14B3 providers
Open Source
Phi-4 Mini
2024-12128k3.8B3 providers
Open Source