Model intelligence
6 AI models
Capability (Epoch Capabilities Index and individual benchmarks from Epoch AI), API list prices and context windows (OpenRouter), release dates and open-weight status. Benchmarks are shown individually - never merged into one invented score.
Epoch Capabilities Index by release date
Capability frontier
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.
Blended $/1M tokens (3:1 input:output) vs ECI
Price vs capability
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 | Muse Spark 1.3 Meta· reasoning | 156.9 | 1.05M | $1.25 | Closed | 2 Sep 2026 |
| 2 | Muse Spark 1.2 Meta· reasoning | 155.2 | 1.05M | $1.25 | Closed | 5 Aug 2026 |
| 3 | Muse Spark 1.1 Meta· reasoning | 154.3 | 1.05M | $1.25 | Closed | 9 Jul 2026 |
| 4 | Muse Spark 1.3 Contributor Meta· reasoning | — | 1.05M | $0.10 | ? | 2 Sep 2026 |
| 5 | Muse Spark 1.2 Contributor Meta· reasoning | — | 1.05M | $0.10 | ? | 21 Aug 2026 |
| 6 | Muse Glimmer 30B Meta· reasoning | — | 131K | $0.30 | Open source | 9 Aug 2026 |
Showing 6 of 6. Benchmark cells are % (best reported setting). 3.8K benchmark results in total.Export CSV