Meta's latest class of model (Llama 3.1) launched with a variety of sizes & flavors. This 8B instruct-tuned version is fast and efficient. It has demonstrated strong performance compared to leading closed-source models in human evaluations…
Model details →meta-llama/Llama-3.1-8B-Instruct vs Microsoft: Phi 4
meta-llama/Llama-3.1-8B-Instruct wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
[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 →Side-by-side comparison
| Capability | meta-llama/Llama-3.1-8B-Instruct | Microsoft: Phi 4 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 16K | 16K | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.02 | $0.07 | 🏆 meta-llama/Llama-3.1-8B-Instruct |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.05 | $0.14 | 🏆 meta-llama/Llama-3.1-8B-Instruct |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 meta-llama/Llama-3.1-8B-Instruct |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | — | Tie |
Frequently asked questions
Is meta-llama/Llama-3.1-8B-Instruct better than Microsoft: Phi 4?
meta-llama/Llama-3.1-8B-Instruct wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between meta-llama/Llama-3.1-8B-Instruct and Microsoft: Phi 4?
Input: $0.02 vs $0.07 per 1M tokens. Output: $0.05 vs $0.14 per 1M tokens.
What context windows do meta-llama/Llama-3.1-8B-Instruct and Microsoft: Phi 4 support?
meta-llama/Llama-3.1-8B-Instruct supports up to 16K tokens. Microsoft: Phi 4 supports up to 16K tokens.
Do both meta-llama/Llama-3.1-8B-Instruct and Microsoft: Phi 4 support tool calling?
meta-llama/Llama-3.1-8B-Instruct: yes. Microsoft: Phi 4: not advertised.