Model intelligence
69 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 3.1 Pro | 154.9 | — | — | Closed | 19 Feb 2026 |
| 4 | Gemini 3.5 Flash Google· reasoning | 154.6 | 1.05M | $1.50 | Closed | 19 May 2026 |
| 5 | Gemini 3.6 Flash Google· reasoning | 154.4 | 1.05M | $0.75 | Closed | 21 Jul 2026 |
| 6 | Gemini 3 Pro | 153.0 | — | — | Closed | 18 Nov 2025 |
| 7 | Gemini 3 Flash | 151.8 | — | — | Closed | 17 Dec 2025 |
| 8 | Gemini 2.5 Pro (Jun 2025) | 145.3 | — | — | Closed | 5 Jun 2025 |
| 9 | Gemini 3.5 Flash Lite Google· reasoning | 145.1 | 1.05M | $0.30 | Closed | 21 Jul 2026 |
| 10 | Gemini 3.1 Flash Lite Google· reasoning | 144.4 | 1.05M | $0.25 | Closed | 3 Mar 2026 |
| 11 | Gemini 2.5 Pro (Mar 2025) | 144.2 | — | — | Closed | 31 Mar 2025 |
| 12 | Gemini 2.5 Flash (Sep 2025) | 143.0 | — | — | Closed | 25 Sep 2025 |
| 13 | Gemma 4 31B Google· reasoning | 142.7 | 262K | $0.090 | Open source | 2 Apr 2026 |
| 14 | Gemini 2.5 Pro (May 2025) | 142.5 | — | — | Closed | 6 May 2025 |
| 15 | Gemma 4 26B A4B Google· reasoning | 141.8 | 262K | $0.090 | Open source | 2 Apr 2026 |
| 16 | Gemini 2.5 Flash (May 2025) | 141.5 | — | — | Closed | 20 May 2025 |
| 17 | Gemini 2.5 Flash (Jun 2025) | 140.8 | — | — | Closed | 17 Jun 2025 |
| 18 | Gemini 2.5 Flash (Apr 2025) | 140.0 | — | — | Closed | 17 Apr 2025 |
| 19 | Gemini 2.0 Flash Thinking (Jan 2025) | 135.4 | — | — | Closed | 21 Jan 2025 |
| 20 | Gemini 2.0 Pro | 135.1 | — | — | Closed | 5 Feb 2025 |
| 21 | Gemini 2.0 Flash (Dec 2024) | 134.7 | — | — | Closed | 11 Dec 2024 |
| 22 | Gemini 2.0 Flash (Feb 2025) | 134.7 | — | — | Closed | 5 Feb 2025 |
| 23 | Gemini 2.5 Flash-Lite (Jun 2025) | 133.9 | — | — | Closed | 17 Jun 2025 |
| 24 | Gemini 1.5 Pro (Sept 2024) | 131.7 | — | — | Closed | 24 Sep 2024 |
| 25 | Gemma 3 27B | 130.0 | 131K | $0.080 | Open source | 12 Mar 2025 |
| 26 | Gemini 1.5 Flash (Sep 2024) | 129.4 | — | — | Closed | 24 Sep 2024 |
| 27 | Gemini 1.5 Pro (May 2024) | 126.9 | — | — | Closed | 14 May 2024 |
| 28 | Gemma 3 12B | 123.5 | 131K | $0.050 | Open source | 12 Mar 2025 |
| 29 | Gemini 1.5 Flash (May 2024) | 122.6 | — | — | Closed | 23 May 2024 |
| 30 | Gemma 2 27B | 122.1 | 8K | $0.65 | Open source | 24 Jun 2024 |
| 31 | Gemma 2 9B | 119.8 | — | — | Open source | 24 Jun 2024 |
| 32 | Gemini 1.0 Pro | 117.0 | — | — | Closed | 13 Dec 2023 |
| 33 | Gemma 3 4B | 116.0 | 131K | $0.050 | Open source | 12 Mar 2025 |
| 34 | Gemma 7B | 111.7 | — | — | Open source | 21 Feb 2024 |
| 35 | Gemma 2B | 93.6 | — | — | Open source | 21 Feb 2024 |
| 36 | Gemini 3.1 Pro Preview Google· reasoning | — | 1.05M | $2.00 | ? | 19 Feb 2026 |
| 37 | Gemini 2.5 Pro Google· reasoning | — | 1.05M | $1.25 | ? | 17 Jun 2025 |
| 38 | Gemini 3.1 Flash Lite Preview Google· reasoning | — | 1.05M | $0.25 | ? | 3 Mar 2026 |
| 39 | Gemini 3.5 Flash-Lite (medium) | — | — | — | Closed | 21 Jul 2026 |
| 40 | Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) Google· reasoning | — | 66K | $0.25 | ? | 30 Jun 2026 |
| 41 | Nano Banana Pro (Gemini 3 Pro Image) Google· reasoning | — | 131K | $2.00 | ? | 18 Jun 2026 |
| 42 | Nano Banana 2 (Gemini 3.1 Flash Image) Google· reasoning | — | 131K | $0.50 | ? | 18 Jun 2026 |
| 43 | AI co-mathematician | — | — | — | Closed | 8 May 2026 |
| 44 | Lyria 3 Pro Preview | — | 1.05M | $0 | ? | 30 Mar 2026 |
| 45 | Lyria 3 Clip Preview | — | 1.05M | $0 | ? | 30 Mar 2026 |
| 46 | Nano Banana 2 (Gemini 3.1 Flash Image Preview) Google· reasoning | — | 66K | $0.50 | ? | 26 Feb 2026 |
| 47 | Gemini 3.1 Pro Preview Custom Tools Google· reasoning | — | 1.05M | $2.00 | ? | 25 Feb 2026 |
| 48 | Gemini 3 Deep Think | — | — | — | Closed | 12 Feb 2026 |
| 49 | Gemini 3 Flash Preview Google· reasoning | — | 1.05M | $0.50 | ? | 17 Dec 2025 |
| 50 | Nano Banana Pro (Gemini 3 Pro Image Preview) Google· reasoning | — | 66K | $2.00 | ? | 20 Nov 2025 |
| 51 | Gemini 3 Pro Preview | — | — | — | Closed | 18 Nov 2025 |
| 52 | Nano Banana (Gemini 2.5 Flash Image) | — | 33K | $0.30 | ? | 7 Oct 2025 |
| 53 | Gemini 2.5 Flash-Lite (Sep 2025) | — | — | — | Closed | 25 Sep 2025 |
| 54 | Gemini 2.5 Deep Think | — | — | — | Closed | 1 Aug 2025 |
| 55 | Gemini 2.5 Flash Lite Google· reasoning | — | 1.05M | $0.10 | ? | 22 Jul 2025 |
| 56 | Gemini 2.5 Flash Google· reasoning | — | 1.05M | $0.30 | ? | 17 Jun 2025 |
| 57 | gemini-2.5-flash-lite-preview-06-17 (Default thinking length) | — | — | — | Closed | 17 Jun 2025 |
| 58 | Gemini 2.5 Pro Preview 06-05 Google· reasoning | — | 1.05M | $1.25 | ? | 5 Jun 2025 |
| 59 | Gemini 2.5 Pro Preview (Jun 2025) | — | — | — | Closed | 5 Jun 2025 |
| 60 | Gemini 2.5 Flash Preview (Apr 2025) | — | — | — | Closed | 17 Apr 2025 |
| 61 | Gemini 2.5 Pro Preview (Mar 2025) | — | — | — | Closed | 31 Mar 2025 |
| 62 | Gemini 2.5 Pro Exp (Mar 2025) | — | — | — | Closed | 25 Mar 2025 |
| 63 | Gemma 3 1B | — | — | — | Open source | 12 Mar 2025 |
| 64 | Gemini 2.0 Pro Exp (Feb 2025) | — | — | — | Closed | 5 Feb 2025 |
| 65 | Gemini 2.0 Flash-Lite | — | — | — | Closed | 5 Feb 2025 |
| 66 | Gemini 2.0 Flash Thinking Exp | — | — | — | Closed | 21 Jan 2025 |
| 67 | Gemini 1.5 Flash 8B | — | — | — | Closed | 3 Oct 2024 |
| 68 | Gemini 1.5 Pro (Feb 2024) | — | — | — | Closed | 15 Feb 2024 |
| 69 | Gemini 1.0 Pro Vision | — | — | — | Closed | 4 Jan 2024 |
Showing 69 of 69. Benchmark cells are % (best reported setting). 3.8K benchmark results in total.Export CSV