Gemini 2.5 Pro vs Step 3.5 Flash 2603
For product management work, compared on the PM Index.
- Gemini 2.5 Pro leads on the PM Index (27.0 vs 26.0).
- Step 3.5 Flash 2603 is cheaper ($0.15 vs $3.44 per 1M tokens).
- Step 3.5 Flash 2603 is faster (222 vs 138 tok/s).
| Metric | Gemini 2.5 Pro | Step 3.5 Flash 2603 |
|---|---|---|
| PM Index | 27.0 | 26.0 |
| AA Intelligence | 27.0 | 26.0 |
| AA Coding | — | — |
| AA Agentic | — | — |
| Blended $/1M | $3.44 | $0.15 |
| Output tok/s | 138 | 222 |