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 | DeepSeek V4.1 Flash DeepSeek· reasoning | 155.0 | 1.05M | $0.30 | Open source | 9 Sep 2026 |
| 2 | MiMo-V2.6-Pro Xiaomi· reasoning | — | 1.05M | $0.43 | Open source | 21 Sep 2026 |
| 3 | DeepSeek V4.1 Flash (batch) DeepSeek· reasoning | — | 1.05M | $0.11 | Open source | 10 Sep 2026 |
| 4 | MiMo-V2.6-Flash Xiaomi· reasoning | — | 1.05M | $0.14 | Open source | 21 Sep 2026 |
| 5 | Ling 3.0 Flash VL inclusionAI (Ant Group)· reasoning | — | 262K | $0.021 | Open source | 10 Sep 2026 |
| 6 | Granite 4.2 8B IBM· reasoning | — | 131K | $0.060 | Open source | 31 Aug 2026 |
| 7 | Ternary Bonsai 2 27B PrismML· reasoning | — | 262K | $0.075 | Open source | 18 Sep 2026 |
| 8 | Schematron V2 Turbo | — | 128K | $0.030 | Open source | 12 Sep 2026 |
| 9 | Schematron V2 Small | — | 128K | $0.050 | Open source | 12 Sep 2026 |
| 10 | DeepSeek V4.1 Flash (unknown) | — | — | — | Open source | 9 Sep 2026 |
| 11 | Nex-N2.5-Pro Nex AGI· reasoning | — | 262K | $0.075 | Open source | 8 Sep 2026 |
| 12 | Nex-N2.5-Mini Nex AGI· reasoning | — | 262K | $0.025 | Open source | 8 Sep 2026 |