GPT-5.4 Pro vs MiniMax M3.1 Flash
| Spec | GPT-5.4 Pro | MiniMax M3.1 Flash |
|---|---|---|
| Respan Index | 51.3 (#32) | 51.8 (#31) |
| Blended price per 1M | $67.5 | $0.131 |
| Context window | 1.1M | 1M |
| Input / output per 1M | $30 / $180 | $0.075 / $0.3 |
| Max output | 128K | - |
| Input | text, vision | text, vision, video |
| Released | 2026-03-05 | 2026-10-19 |
Respan Index by category
Each category is scored 0 to 100, and how far ahead the winner is. Leads under a point are close to even.
| Category | GPT-5.4 Pro | MiniMax M3.1 Flash |
|---|---|---|
| Coding | 13.5 GPT-5.4 Pro | 40.7 MiniMax M3.1 Flash |
| Agents | 73.9 GPT-5.4 Pro | 56.3 MiniMax M3.1 Flash |
| Reasoning | 64.8 GPT-5.4 Pro | 55.4 MiniMax M3.1 Flash |
| Knowledge & language | 46.4 GPT-5.4 Pro | 54.0* MiniMax M3.1 Flash |
| Human preference | 57.2* GPT-5.4 Pro | 55.5 MiniMax M3.1 Flash |
* Estimated: no published scores in that category. How the Respan Index works
FAQ
Is GPT-5.4 Pro better than MiniMax M3.1 Flash?
MiniMax M3.1 Flash scores 51.8 on the Respan Index (#31), ahead of GPT-5.4 Pro at 51.3 (#32). MiniMax M3.1 Flash is 514x cheaper per token at list price.
Which is cheaper, GPT-5.4 Pro or MiniMax M3.1 Flash?
GPT-5.4 Pro lists at $30 input and $180 output per 1M tokens; MiniMax M3.1 Flash at $0.075 and $0.3. MiniMax M3.1 Flash is 514x cheaper per token at list price.
Which has the larger context window?
GPT-5.4 Pro accepts 1.1M tokens and MiniMax M3.1 Flash 1M tokens.