Model intelligence
236 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 | Claude Opus 5.5 Anthropic· reasoning | 167.3 | 1M | $4.00 | Closed | 22 Sep 2026 |
| 2 | GPT-6 Astra OpenAI· reasoning | 166.5 | 1.05M | $10.0 | Closed | 3 Sep 2026 |
| 3 | Claude Sonnet 5.5 Anthropic· reasoning | 165.2 | 1M | $2.00 | Closed | 28 Sep 2026 |
| 4 | Claude Fable 5.1 Anthropic· reasoning | 164.8 | 1M | $10.0 | Closed | 1 Sep 2026 |
| 5 | Claude Opus 5 Anthropic· reasoning | 162.9 | 1M | $5.00 | Closed | 24 Jul 2026 |
| 6 | GPT-5.5 Pro OpenAI· reasoning | 162.4 | 1.05M | $30.0 | Closed | 23 Apr 2026 |
| 7 | Claude Fable 5 Anthropic· reasoning | 162.2 | 1M | $10.0 | Closed | 9 Jun 2026 |
| 8 | GPT-5.6 Sol OpenAI· reasoning | 161.8 | 1.05M | $2.00 | Closed | 9 Jul 2026 |
| 9 | GPT-5.6 Terra OpenAI· reasoning | 159.8 | 1.05M | $2.00 | Closed | 9 Jul 2026 |
| 10 | GPT-5.5 OpenAI· reasoning | 159.2 | 1.05M | $5.00 | Closed | 23 Apr 2026 |
| 11 | GPT-5.4 Pro OpenAI· reasoning | 159.1 | 1.05M | $30.0 | Closed | 5 Mar 2026 |
| 12 | Claude Opus 4.8 Anthropic· reasoning | 158.3 | 1M | $5.00 | Closed | 28 May 2026 |
| 13 | Gemini 3.7 Flash Google· reasoning | 157.4 | 1.05M | $0.75 | Closed | 13 Aug 2026 |
| 14 | Gemini 3.8 Flash Google· reasoning | 156.9 | 1.05M | $0.75 | Closed | 2 Sep 2026 |
| 15 | GPT-5.4 OpenAI· reasoning | 156.9 | 1.05M | $2.50 | Closed | 5 Mar 2026 |
| 16 | Muse Spark 1.3 Meta· reasoning | 156.9 | 1.05M | $1.25 | Closed | 2 Sep 2026 |
| 17 | GPT-5.3-Codex OpenAI· reasoning | 156.8 | 400K | $1.75 | Closed | 5 Feb 2026 |
| 18 | Grok 4.6 xAI· reasoning | 156.6 | 500K | $2.00 | Closed | 12 Aug 2026 |
| 19 | Qwen 3.8 Max | 156.6 | — | — | Closed | 2 Aug 2026 |
| 20 | GPT-5.6 Luna OpenAI· reasoning | 156.4 | 1.05M | $0.20 | Closed | 9 Jul 2026 |
| 21 | Claude Opus 4.7 Anthropic· reasoning | 156.3 | 1M | $5.00 | Closed | 16 Apr 2026 |
| 22 | Claude Sonnet 5 Anthropic· reasoning | 156.3 | 1M | $2.00 | Closed | 30 Jun 2026 |
| 23 | GPT-5.2 Pro OpenAI· reasoning | 155.4 | 400K | $21.0 | Closed | 11 Dec 2025 |
| 24 | Claude Opus 4.6 Anthropic· reasoning | 155.3 | 1M | $5.00 | Closed | 5 Feb 2026 |
| 25 | Qwen3.8 Max (0902) Alibaba (Qwen)· reasoning | 155.2 | 1M | $2.00 | Closed | 1 Sep 2026 |
| 26 | Muse Spark 1.2 Meta· reasoning | 155.0 | 1.05M | $1.25 | Closed | 5 Aug 2026 |
| 27 | Gemini 3.1 Pro | 154.8 | — | — | Closed | 19 Feb 2026 |
| 28 | Gemini 3.5 Flash Google· reasoning | 154.5 | 1.05M | $1.50 | Closed | 19 May 2026 |
| 29 | Gemini 3.6 Flash Google· reasoning | 154.3 | 1.05M | $0.75 | Closed | 21 Jul 2026 |
| 30 | Muse Spark 1.1 Meta· reasoning | 154.3 | 1.05M | $1.25 | Closed | 9 Jul 2026 |
| 31 | Grok 4.5 xAI· reasoning | 154.0 | 500K | $2.00 | Closed | 8 Jul 2026 |
| 32 | Qwen3.7 Max Alibaba (Qwen)· reasoning | 153.7 | 1M | $1.48 | Closed | 19 May 2026 |
| 33 | GPT-5.2 OpenAI· reasoning | 153.5 | 400K | $1.75 | Closed | 11 Dec 2025 |
| 34 | Gemini 3 Pro | 152.9 | — | — | Closed | 18 Nov 2025 |
| 35 | Claude Sonnet 4.6 Anthropic· reasoning | 152.3 | 1M | $3.00 | Closed | 17 Feb 2026 |
| 36 | Muse Spark | 152.1 | — | — | Closed | 8 Apr 2026 |
| 37 | Grok 4.20 xAI· reasoning | 152.0 | 2M | $1.25 | Closed | 17 Feb 2026 |
| 38 | Gemini 3 Flash | 151.8 | — | — | Closed | 17 Dec 2025 |
| 39 | GPT-5 Pro OpenAI· reasoning | 150.3 | 400K | $15.0 | Closed | 7 Oct 2025 |
| 40 | Claude Opus 4.5 Anthropic· reasoning | 150.1 | 200K | $5.00 | Closed | 24 Nov 2025 |
| 41 | GPT-5 OpenAI· reasoning | 150.0 | 400K | $1.25 | Closed | 7 Aug 2025 |
| 42 | GPT-5.1 OpenAI· reasoning | 149.7 | 400K | $1.25 | Closed | 13 Nov 2025 |
| 43 | Qwen 3.6 Max (Preview) | 149.2 | — | — | Closed | 20 Apr 2026 |
| 44 | Grok 4.3 Beta | 149.2 | — | — | Closed | 17 Apr 2026 |
| 45 | GPT-5.4 Mini OpenAI· reasoning | 148.8 | 400K | $0.75 | Closed | 17 Mar 2026 |
| 46 | Qwen 3.6 Plus | 147.6 | — | — | Closed | 31 Mar 2026 |
| 47 | o3 Pro OpenAI· reasoning | 147.4 | 200K | $20.0 | Closed | 10 Jun 2025 |
| 48 | Qwen3.7 Plus Alibaba (Qwen)· reasoning | 147.4 | 1M | $0.32 | Closed | 2 Jun 2026 |
| 49 | o3 OpenAI· reasoning | 146.9 | 200K | $2.00 | Closed | 16 Apr 2025 |
| 50 | Claude Sonnet 4.5 Anthropic· reasoning | 146.8 | 1M | $3.00 | Closed | 29 Sep 2025 |
| 51 | Qwen 3.5 Plus (hosted 397B-A17B) | 146.8 | — | — | Closed | 16 Feb 2026 |
| 52 | Grok 4 | 146.4 | — | — | Closed | 9 Jul 2025 |
| 53 | GPT-5.4 Nano OpenAI· reasoning | 145.8 | 400K | $0.20 | Closed | 17 Mar 2026 |
| 54 | o4 Mini OpenAI· reasoning | 145.6 | 200K | $1.10 | Closed | 16 Apr 2025 |
| 55 | GPT-5 Mini OpenAI· reasoning | 145.5 | 400K | $0.25 | Closed | 7 Aug 2025 |
| 56 | Gemini 2.5 Pro (Jun 2025) | 145.3 | — | — | Closed | 5 Jun 2025 |
| 57 | Gemini 3.5 Flash Lite Google· reasoning | 145.1 | 1.05M | $0.30 | Closed | 21 Jul 2026 |
| 58 | Qwen3.7 Flash Alibaba (Qwen)· reasoning | 144.6 | 1M | $0.030 | Closed | 27 Jul 2026 |
| 59 | Gemini 3.1 Flash Lite Google· reasoning | 144.4 | 1.05M | $0.25 | Closed | 3 Mar 2026 |
| 60 | Grok 4 Fast | 144.2 | — | — | Closed | 19 Sep 2025 |
| 61 | Gemini 2.5 Pro (Mar 2025) | 144.2 | — | — | Closed | 31 Mar 2025 |
| 62 | Claude Opus 4.1 Anthropic· reasoning | 144.1 | 200K | $15.0 | Closed | 5 Aug 2025 |
| 63 | Qwen 3.5 Flash (hosted 35B-A3B) | 144.0 | — | — | Closed | 25 Feb 2026 |
| 64 | Qwen 3.6 Flash | 143.3 | — | — | Closed | 27 Apr 2026 |
| 65 | Gemini 2.5 Flash (Sep 2025) | 143.0 | — | — | Closed | 25 Sep 2025 |
| 66 | Claude Opus 4 | 142.7 | — | — | Closed | 22 May 2025 |
| 67 | GPT-5.5 Instant | 142.5 | — | — | Closed | 5 May 2026 |
| 68 | Gemini 2.5 Pro (May 2025) | 142.5 | — | — | Closed | 6 May 2025 |
| 69 | Claude Haiku 4.5 Anthropic· reasoning | 142.4 | 200K | $1.00 | Closed | 15 Oct 2025 |
| 70 | Qwen3 Max Alibaba (Qwen)· reasoning | 142.4 | 262K | $0.78 | Closed | 24 Sep 2025 |
| 71 | o1 OpenAI· reasoning | 141.9 | 200K | $15.0 | Closed | 17 Dec 2024 |
| 72 | Claude Sonnet 4 Anthropic· reasoning | 141.7 | 200K | $3.00 | Closed | 22 May 2025 |
| 73 | Gemini 2.5 Flash (May 2025) | 141.5 | — | — | Closed | 20 May 2025 |
| 74 | Claude 3.7 Sonnet | 141.2 | — | — | Closed | 24 Feb 2025 |
| 75 | Gemini 2.5 Flash (Jun 2025) | 140.8 | — | — | Closed | 17 Jun 2025 |
| 76 | Grok-3 mini | 140.3 | — | — | Closed | 24 Jun 2025 |
| 77 | o3 Mini OpenAI· reasoning | 140.3 | 200K | $1.10 | Closed | 31 Jan 2025 |
| 78 | Gemini 2.5 Flash (Apr 2025) | 140.0 | — | — | Closed | 17 Apr 2025 |
| 79 | GPT-5 Nano OpenAI· reasoning | 139.4 | 400K | $0.050 | Closed | 7 Aug 2025 |
| 80 | Grok 3 | 138.3 | — | — | Closed | 9 Apr 2025 |
| 81 | GPT-4.1 | 136.8 | 1.05M | $2.00 | Closed | 14 Apr 2025 |
| 82 | GPT-4.5 | 136.7 | — | — | Closed | 27 Feb 2025 |
| 83 | o1-mini | 135.8 | — | — | Closed | 12 Sep 2024 |
| 84 | Gemini 2.0 Flash Thinking (Jan 2025) | 135.4 | — | — | Closed | 21 Jan 2025 |
| 85 | Gemini 2.0 Pro | 135.1 | — | — | Closed | 5 Feb 2025 |
| 86 | GPT-4.1 Mini | 135.0 | 1.05M | $0.40 | Closed | 14 Apr 2025 |
| 87 | o1-preview | 134.8 | — | — | Closed | 12 Sep 2024 |
| 88 | Gemini 2.0 Flash (Feb 2025) | 134.7 | — | — | Closed | 5 Feb 2025 |
| 89 | Gemini 2.0 Flash (Dec 2024) | 134.7 | — | — | Closed | 11 Dec 2024 |
| 90 | Mistral Medium 3 | 134.1 | 131K | $0.40 | Closed | 7 May 2025 |
| 91 | Gemini 2.5 Flash-Lite (Jun 2025) | 133.9 | — | — | Closed | 17 Jun 2025 |
| 92 | Claude 3.5 Sonnet (October 2024) | 133.5 | — | — | Closed | 22 Oct 2024 |
| 93 | Qwen2.5-Max | 132.5 | — | — | Closed | 25 Jan 2025 |
| 94 | Gemini 1.5 Pro (Sept 2024) | 131.7 | — | — | Closed | 24 Sep 2024 |
| 95 | Grok-2 (Dec 2024) | 130.5 | — | — | Closed | 12 Dec 2024 |
| 96 | Claude 3.5 Sonnet | 130.0 | — | — | Closed | 20 Jun 2024 |
| 97 | GPT-4.1 Nano | 129.6 | 1.05M | $0.10 | Closed | 14 Apr 2025 |
| 98 | Gemini 1.5 Flash (Sep 2024) | 129.4 | — | — | Closed | 24 Sep 2024 |
| 99 | GPT-4o (May 2024) | 129.0 | — | — | Closed | 13 May 2024 |
| 100 | GPT-4o (Nov 2024) | 128.8 | — | — | Closed | 20 Nov 2024 |
Showing 100 of 236. Benchmark cells are % (best reported setting). 3.9K benchmark results in total.Next →Export CSV