Best AI Models for Writing PRDs
Product requirements documents reward deep reasoning, structure, and the ability to hold a lot of context. These models rank highest for drafting and refining PRDs.
Top pick
Claude Opus 4.8
PM Index 64.2 · $10.00/1M tok
Best value
MiMo-V2.5
PM Index 51.6 · $0.18/1M tok
| # | Model | PM Index | $/1M tok |
|---|---|---|---|
| 1 | Claude Opus 4.8 Anthropic | 64.2 | $10.00 |
| 2 | MiniMax-M3 MiniMax | 56.4 | $0.52 |
| 3 | Qwen3.7 Max Alibaba | 58.0 | $3.75 |
| 4 | GPT-5.5 OpenAI | 62.9 | $11.25 |
| 5 | GPT-5.4 OpenAI | 59.1 | $5.63 |
| 6 | MiMo-V2.5-Pro Xiaomi | 55.7 | $0.54 |
| 7 | Gemini 3.5 Flash |
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