[Microsoft Research](/microsoft) Phi-4 is designed to perform well in complex reasoning tasks and can operate efficiently in situations with limited memory or where quick responses are needed. At 14 billion parameters, it was trained on a…
Model details →Microsoft: Phi 4 vs NousResearch: Hermes 2 Pro - Llama-3 8B
Microsoft: Phi 4 wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
Hermes 2 Pro is an upgraded, retrained version of Nous Hermes 2, consisting of an updated and cleaned version of the OpenHermes 2.5 Dataset, as well as a newly introduced Function Calling and JSON Mode dataset developed in-house.
Model details →Side-by-side comparison
| Capability | Microsoft: Phi 4 | NousResearch: Hermes 2 Pro - Llama-3 8B | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 16K | 8K | 🏆 Microsoft: Phi 4 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.07 | $0.14 | 🏆 Microsoft: Phi 4 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.14 | $0.14 | Tie |
| Tool / function calling First-class support for emitting structured tool calls. | — | — | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | — | Tie |
Frequently asked questions
Is Microsoft: Phi 4 better than NousResearch: Hermes 2 Pro - Llama-3 8B?
Microsoft: Phi 4 wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Microsoft: Phi 4 and NousResearch: Hermes 2 Pro - Llama-3 8B?
Input: $0.07 vs $0.14 per 1M tokens. Output: $0.14 vs $0.14 per 1M tokens.
What context windows do Microsoft: Phi 4 and NousResearch: Hermes 2 Pro - Llama-3 8B support?
Microsoft: Phi 4 supports up to 16K tokens. NousResearch: Hermes 2 Pro - Llama-3 8B supports up to 8K tokens.
Do both Microsoft: Phi 4 and NousResearch: Hermes 2 Pro - Llama-3 8B support tool calling?
Microsoft: Phi 4: not advertised. NousResearch: Hermes 2 Pro - Llama-3 8B: not advertised.