Source: Epoch AI (CC BY 4.0). ECI is Epoch's item-response model over many benchmarks; each model page shows its 90% confidence interval.
Only models with both an ECI score and an OpenRouter price. Normalisation: 75% input + 25% output price. Click a point to open the model.
| # | Model | ECI ↓ | Context | In $/M | Weights | Released |
|---|---|---|---|---|---|---|
| 1 | MiniMax M3 MiniMax· reasoning | 147.0 | 1.05M | $0.30 | Open source | 1 Jun 2026 |
| 2 | MiniMax M2.5 MiniMax· reasoning | 146.7 | 205K | $0.27 | Open source | 12 Feb 2026 |
| 3 | MiniMax M2.7 MiniMax· reasoning | 145.8 | 205K | $0.30 | Open source | 18 Mar 2026 |
| 4 | MiniMax M2-her | — | 66K | $0.30 | ? | 23 Jan 2026 |
| 5 | MiniMax M2.1 MiniMax· reasoning | — | 205K | $0.30 | Open source | 23 Dec 2025 |
| 6 | MiniMax M2 MiniMax· reasoning | — | 205K | $0.30 | Open source | 23 Oct 2025 |
| 7 | MiniMax M1 MiniMax· reasoning | — | 1M | $0.40 | ? | 17 Jun 2025 |
| 8 | MiniMax-M1-80k | — | — | — | Open source | 13 Jun 2025 |
| 9 | MiniMax-01 | — | 1M | $0.20 | Open source | 15 Jan 2025 |