Model intelligence
22 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 | GLM 4.7 Z.ai (Zhipu AI)· reasoning | 143.5 | 205K | $0.60 | Open source | 22 Dec 2025 |
| 2 | GLM 5 Z.ai (Zhipu AI)· reasoning | 145.8 | 205K | $0.60 | Open source | 11 Feb 2026 |
| 3 | GLM 5.1 Z.ai (Zhipu AI)· reasoning | 149.9 | 205K | $1.40 | Open source | 7 Apr 2026 |
| 4 | GLM 5.2 Z.ai (Zhipu AI)· reasoning | 151.8 | 1.05M | $0.39 | Open source | 16 Jun 2026 |
| 5 | GLM 5.3 Flash Z.ai (Zhipu AI)· reasoning | 151.9 | 1.31M | $0.15 | Open source | 20 Aug 2026 |
| 6 | GLM 5.3 Z.ai (Zhipu AI)· reasoning | 155.6 | 1.31M | $1.40 | Open source | 14 Aug 2026 |
| 7 | GLM 5.3 Prime Z.ai (Zhipu AI)· reasoning | — | 1M | $2.80 | ? | 23 Sep 2026 |
| 8 | GLM 5.3 FlashX Z.ai (Zhipu AI)· reasoning | — | 1.05M | $0.37 | ? | 18 Sep 2026 |
| 9 | GLM-5.3-Flash (unknown) | — | — | — | Open source | 20 Aug 2026 |
| 10 | GLM-5.3 (unknown thinking) | — | — | — | Closed | 14 Aug 2026 |
| 11 | GLM 5V Turbo Z.ai (Zhipu AI)· reasoning | — | 203K | $1.20 | ? | 1 Apr 2026 |
| 12 | GLM 5 Turbo Z.ai (Zhipu AI)· reasoning | — | 203K | $1.20 | ? | 15 Mar 2026 |
| 13 | GLM 4.7 Flash Z.ai (Zhipu AI)· reasoning | — | 200K | $0.060 | Open source | 19 Jan 2026 |
| 14 | GLM-4.7 (Together) | — | — | — | Open source | 22 Dec 2025 |
| 15 | GLM-4.7 (Novita) | — | — | — | Open source | 22 Dec 2025 |
| 16 | GLM 4.6V Z.ai (Zhipu AI)· reasoning | — | 131K | $0.30 | Open source | 8 Dec 2025 |
| 17 | GLM 4.6 Z.ai (Zhipu AI)· reasoning | — | 205K | $0.43 | Open source | 30 Sep 2025 |
| 18 | GLM-4.6 (Together) | — | — | — | Open source | 30 Sep 2025 |
| 19 | GLM 4.5V Z.ai (Zhipu AI)· reasoning | — | 66K | $0.60 | Open source | 11 Aug 2025 |
| 20 | GLM-4.5 Thinking | — | — | — | Open source | 5 Aug 2025 |
| 21 | GLM 4.5 Z.ai (Zhipu AI)· reasoning | — | 131K | $0.60 | Open source | 25 Jul 2025 |
| 22 | GLM 4.5 Air Z.ai (Zhipu AI)· reasoning | — | 131K | $0.13 | Open source | 25 Jul 2025 |
Showing 22 of 22. Benchmark cells are % (best reported setting). 3.8K benchmark results in total.Export CSV