Model intelligence
27 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 | Gemini 3.7 Flash Google· reasoning | 157.7 | 1.05M | $0.75 | Closed | 13 Aug 2026 |
| 2 | Gemini 3.8 Flash Google· reasoning | 157.1 | 1.05M | $0.75 | Closed | 2 Sep 2026 |
| 3 | Gemini 3.5 Flash Google· reasoning | 154.6 | 1.05M | $1.50 | Closed | 19 May 2026 |
| 4 | Gemini 3.6 Flash Google· reasoning | 154.4 | 1.05M | $0.75 | Closed | 21 Jul 2026 |
| 5 | Gemini 3.5 Flash Lite Google· reasoning | 145.1 | 1.05M | $0.30 | Closed | 21 Jul 2026 |
| 6 | Gemini 3.1 Flash Lite Google· reasoning | 144.4 | 1.05M | $0.25 | Closed | 3 Mar 2026 |
| 7 | Gemma 4 31B Google· reasoning | 142.7 | 262K | $0.090 | Open source | 2 Apr 2026 |
| 8 | Gemma 4 26B A4B Google· reasoning | 141.8 | 262K | $0.090 | Open source | 2 Apr 2026 |
| 9 | Gemma 3 27B | 130.0 | 131K | $0.080 | Open source | 12 Mar 2025 |
| 10 | Gemma 3 12B | 123.5 | 131K | $0.050 | Open source | 12 Mar 2025 |
| 11 | Gemma 3 4B | 116.0 | 131K | $0.050 | Open source | 12 Mar 2025 |
| 12 | Gemini 3.1 Pro Preview Google· reasoning | — | 1.05M | $2.00 | ? | 19 Feb 2026 |
| 13 | Gemini 2.5 Pro Google· reasoning | — | 1.05M | $1.25 | ? | 17 Jun 2025 |
| 14 | Gemini 3.1 Flash Lite Preview Google· reasoning | — | 1.05M | $0.25 | ? | 3 Mar 2026 |
| 15 | Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) Google· reasoning | — | 66K | $0.25 | ? | 30 Jun 2026 |
| 16 | Nano Banana Pro (Gemini 3 Pro Image) Google· reasoning | — | 131K | $2.00 | ? | 18 Jun 2026 |
| 17 | Nano Banana 2 (Gemini 3.1 Flash Image) Google· reasoning | — | 131K | $0.50 | ? | 18 Jun 2026 |
| 18 | Lyria 3 Pro Preview | — | 1.05M | $0 | ? | 30 Mar 2026 |
| 19 | Lyria 3 Clip Preview | — | 1.05M | $0 | ? | 30 Mar 2026 |
| 20 | Nano Banana 2 (Gemini 3.1 Flash Image Preview) Google· reasoning | — | 66K | $0.50 | ? | 26 Feb 2026 |
| 21 | Gemini 3.1 Pro Preview Custom Tools Google· reasoning | — | 1.05M | $2.00 | ? | 25 Feb 2026 |
| 22 | Gemini 3 Flash Preview Google· reasoning | — | 1.05M | $0.50 | ? | 17 Dec 2025 |
| 23 | Nano Banana Pro (Gemini 3 Pro Image Preview) Google· reasoning | — | 66K | $2.00 | ? | 20 Nov 2025 |
| 24 | Nano Banana (Gemini 2.5 Flash Image) | — | 33K | $0.30 | ? | 7 Oct 2025 |
| 25 | Gemini 2.5 Flash Lite Google· reasoning | — | 1.05M | $0.10 | ? | 22 Jul 2025 |
| 26 | Gemini 2.5 Flash Google· reasoning | — | 1.05M | $0.30 | ? | 17 Jun 2025 |
| 27 | Gemini 2.5 Pro Preview 06-05 Google· reasoning | — | 1.05M | $1.25 | ? | 5 Jun 2025 |
Showing 27 of 27. Benchmark cells are % (best reported setting). 3.8K benchmark results in total.Export CSV