Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Phi-4 | Llama 3.1 Instruct 70B |
|---|---|---|
| Input ($/M tokens) | $0.125 | $0.56 |
| Output ($/M tokens) | $0.5 | $0.56 |
Data from Artificial Analysis API — 12 benchmarks
Phi-4 is cheaper overall. Its blended price (3:1 input/output ratio) is $0.22/M tokens vs $0.56/M for Llama 3.1 Instruct 70B.
Phi-4 wins 6 out of 12 benchmarks compared to 5 for Llama 3.1 Instruct 70B. See the detailed benchmark chart above for per-category results.
Phi-4 generates tokens faster at 38 tok/s vs 33 tok/s. Phi-4 also has lower time-to-first-token (0.52s vs 0.61s).
Choose based on your priorities: Phi-4 for lower cost, Phi-4 for stronger benchmark performance, and Phi-4 for faster generation. For latency-sensitive apps, check the TTFT comparison above.