Phi 4 vs Qwen3.5-9B
Phi 4 is cheaper on output tokens, while Qwen3.5-9B offers a larger context window. Choose Phi 4 or Qwen3.5-9B based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Phi 4 | Qwen3.5-9B |
|---|---|---|
| Provider | Microsoft | Qwen |
| Input / 1M tokens | $0.07 | $0.10 |
| Output / 1M tokens | $0.14 | $0.15 |
| Context window | 16K | 262K |
| Parameters | — | — |
| Open weights | — | — |
| Released | — | — |
| LMArena (Chatbot Arena) Elo score | 1217 | — |
| GPQA Diamond score | 56.1 | 79.0 |
| Epoch Capabilities Index score | 130 | 139 |
FAQ
Is Phi 4 or Qwen3.5-9B cheaper?
Phi 4 is cheaper on output tokens ($0.14 vs $0.15 per 1M).
Which has the larger context window, Phi 4 or Qwen3.5-9B?
Qwen3.5-9B has the larger context window (262K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.