Phi-3.5-mini-instruct vs GPT-5 Chat
Phi-3.5-mini-instruct is cheaper on output tokens. Choose Phi-3.5-mini-instruct or GPT-5 Chat based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Phi-3.5-mini-instruct | GPT-5 Chat |
|---|---|---|
| Provider | Azure | Azure |
| Input / 1M tokens | $0.13 | $1.25 |
| Output / 1M tokens | $0.52 | $10.00 |
| Context window | 128K | 128K |
| Parameters | — | — |
| Open weights | Yes | No |
| Released | Aug 2024 | Aug 2025 |
FAQ
Is Phi-3.5-mini-instruct or GPT-5 Chat cheaper?
Phi-3.5-mini-instruct is cheaper on output tokens ($0.52 vs $10.00 per 1M).
Which has the larger context window, Phi-3.5-mini-instruct or GPT-5 Chat?
Both models offer a similar context window.
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.