Phi-4
7 models2024–2026Up to 128K ctxFrom $0.05/1M input
About
Phi-4 is a family of 7 AI models by Microsoft Research, released between 2024 and 2026.
Specifications(7 models)
| Model | Released | Context | Parameters | Vision | Multimodal | Reasoning | Structured Outputs |
|---|---|---|---|---|---|---|---|
| Phi-4 Reasoning Vision 15B | 2026-03 | — | 15B | No | Yes | No | No |
| Phi-4 Mini Flash Reasoning | 2025-12 | 128K | — | No | No | Yes | No |
| Phi 4 Multimodal Instruct | 2025-01 | 128K | — | 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 14B | 2024-12 | — | 14B | No | No | No | Yes |
| Phi-4 Mini | 2024-12 | — | 3.8B | No | No | No | No |
Available From(4 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 | 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 |
Frequently Asked Questions
- What is Phi-4?
- Phi-4 is a family of 7 AI models by Microsoft Research, released between 2024 and 2026.
- How many models are in the Phi-4 family?
- The Phi-4 family contains 7 models.
- What is the latest Phi-4 model?
- The latest model is Phi-4 Reasoning Vision 15B, released in 2026-03.
- How much does Phi-4 cost?
- Phi-4 models range from $0.05/1M to $0.9/1M input tokens depending on the model and provider.
- Is Phi-4 open source?
- 1 of 7 Phi-4 models are open source.
Related Model Families
Models(7)
Phi-4 Reasoning Vision 15B
2026-0315B
MultimodalOpen Source
Phi-4 Mini Flash Reasoning
2025-12128K1 provider
Reasoning
Phi 4 Multimodal Instruct
2025-01128K2 providers
MultimodalOpen Source
Phi 4 Reasoning Plus
2025-01128K14B1 provider
ReasoningOpen Source
Phi 4 Reasoning
2025-01128K14B1 provider
ReasoningOpen Source
Phi-4 14B
2024-1214B2 providers
Open Source
Phi-4 Mini
2024-123.8B3 providers
Open Source