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.
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 |
|---|---|---|---|---|---|---|
| 701 | GPT-5 mini (low) | — | — | — | Closed | 7 Aug 2025 |
| 702 | GPT-5 (unknown thinking) | — | — | — | Closed | 7 Aug 2025 |
| 703 | GPT-5 mini (unknown thinking) | — | — | — | Closed | 7 Aug 2025 |
| 704 | GPT-5 nano (unknown thinking) | — | — | — | Closed | 7 Aug 2025 |
| 705 | qwen3-4b-instruct-2507 | — | — | — | ? | 6 Aug 2025 |
| 706 | Claude Opus 4.1 (batch) Anthropic· reasoning | — | 200K | $7.50 | ? | 5 Aug 2025 |
| 707 | Claude Opus 4.1 (unknown thinking) | — | — | — | Closed | 5 Aug 2025 |
| 708 | gpt-oss-120b (unknown thinking) | — | — | — | Open source | 5 Aug 2025 |
| 709 | GLM-4.5 Thinking | — | — | — | Open source | 5 Aug 2025 |
| 710 | Codestral 2508 | — | 256K | $0.30 | ? | 1 Aug 2025 |
| 711 | Codestral 2508 (batch) | — | 256K | $0.15 | ? | 1 Aug 2025 |
| 712 | Gemini 2.5 Deep Think | — | — | — | Closed | 1 Aug 2025 |
| 713 | Qwen3 Coder 30B A3B Instruct | — | 262K | $0.070 | Open source | 31 Jul 2025 |
| 714 | Qwen3 30B A3B Instruct 2507 | — | 262K | $0.10 | Open source | 29 Jul 2025 |
| 715 | chutes/GLM-4.5-FP8 | — | — | — | ? | 27 Jul 2025 |
| 716 | GLM 4.5 Z.ai (Zhipu AI)· reasoning | — | 131K | $0.60 | Open source | 25 Jul 2025 |
| 717 | GLM 4.5 Air Z.ai (Zhipu AI)· reasoning | — | 131K | $0.13 | Open source | 25 Jul 2025 |
| 718 | Qwen3 Coder 480B A35B | — | 262K | $0.30 | Open source | 23 Jul 2025 |
| 719 | UI-TARS 7B | — | 128K | $0.10 | Open source | 22 Jul 2025 |
| 720 | Gemini 2.5 Flash Lite Google· reasoning | — | 1.05M | $0.10 | ? | 22 Jul 2025 |
| 721 | Gemini 2.5 Flash Lite (batch) Google· reasoning | — | 1.05M | $0.050 | ? | 22 Jul 2025 |
| 722 | Qwen3 235B A22B Instruct 2507 | — | 262K | $0.087 | Open source | 21 Jul 2025 |
| 723 | Kimi K2 Instruct | — | — | — | Open source | 12 Jul 2025 |
| 724 | Kimi K2 0711 | — | 131K | $0.57 | Open source | 11 Jul 2025 |
| 725 | Grok 4 Heavy (web app) | — | — | — | Closed | 10 Jul 2025 |
| 726 | Uncensored | — | 128K | $0.20 | Open source | 9 Jul 2025 |
| 727 | Hunyuan A13B Instruct Tencent· reasoning | — | 131K | $0.14 | Open source | 8 Jul 2025 |
| 728 | Morph V3 Fast | — | 82K | $0.80 | ? | 7 Jul 2025 |
| 729 | Morph V3 Large | — | 262K | $0.90 | ? | 7 Jul 2025 |
| 730 | ERNIE 4.5 VL 424B A47B Baidu· reasoning | — | 123K | $0.42 | Open source | 30 Jun 2025 |
| 731 | Mistral Small 3.2 24B | — | 256K | $0.094 | Open source | 20 Jun 2025 |
| 732 | MiniMax M1 MiniMax· reasoning | — | 1M | $0.40 | ? | 17 Jun 2025 |
| 733 | Gemini 2.5 Flash Google· reasoning | — | 1.05M | $0.30 | ? | 17 Jun 2025 |
| 734 | Gemini 2.5 Flash (batch) Google· reasoning | — | 1.05M | $0.15 | ? | 17 Jun 2025 |
| 735 | gemini-2.5-flash-lite-preview-06-17 (Default thinking length) | — | — | — | Closed | 17 Jun 2025 |
| 736 | MiniMax-M1-80k | — | — | — | Open source | 13 Jun 2025 |
| 737 | Magistral Medium 1.1 | — | — | — | Closed | 10 Jun 2025 |
| 738 | Gemini 2.5 Pro Preview 06-05 Google· reasoning | — | 1.05M | $1.25 | ? | 5 Jun 2025 |
| 739 | Gemini 2.5 Pro Preview (Jun 2025) | — | — | — | Closed | 5 Jun 2025 |
| 740 | R1 0528 DeepSeek· reasoning | — | 164K | $0.50 | Open source | 28 May 2025 |
| 741 | deepseek-r1-0528-qwen3-8b | — | — | — | ? | 28 May 2025 |
| 742 | Claude Sonnet 4 (unknown thinking) | — | — | — | Closed | 22 May 2025 |
| 743 | codex-mini-2025-05-16 | — | — | — | ? | 16 May 2025 |
| 744 | Llama Guard 4 12B | — | 164K | $0.18 | Open source | 30 Apr 2025 |
| 745 | Qwen3-4B | — | — | — | Open source | 29 Apr 2025 |
| 746 | Qwen3-1.7B | — | — | — | Open source | 29 Apr 2025 |
| 747 | Qwen Plus (Apr 2025) | — | — | — | Closed | 28 Apr 2025 |
| 748 | Gemini 2.5 Flash Preview (Apr 2025) | — | — | — | Closed | 17 Apr 2025 |
| 749 | o3 (batch) OpenAI· reasoning | — | 200K | $1.00 | ? | 16 Apr 2025 |
| 750 | o4 Mini High OpenAI· reasoning | — | 200K | $1.10 | ? | 16 Apr 2025 |
| 751 | o4 Mini (batch) OpenAI· reasoning | — | 200K | $0.55 | ? | 16 Apr 2025 |
| 752 | o3 (medium) | — | — | — | Closed | 16 Apr 2025 |
| 753 | o4-mini (medium) | — | — | — | Closed | 16 Apr 2025 |
| 754 | o3 (low) | — | — | — | Closed | 16 Apr 2025 |
| 755 | o4-mini (low) | — | — | — | Closed | 16 Apr 2025 |
| 756 | o3 (unknown thinking) | — | — | — | Closed | 16 Apr 2025 |
| 757 | GPT-4.1 (batch) | — | 1.05M | $1.00 | ? | 14 Apr 2025 |
| 758 | GPT-4.1 Mini (batch) | — | 1.05M | $0.20 | ? | 14 Apr 2025 |
| 759 | GPT-4.1 Nano (batch) | — | 1.05M | $0.050 | ? | 14 Apr 2025 |
| 760 | QWQ-Plus | — | — | — | Closed | 8 Apr 2025 |
| 761 | Llama 4 Maverick (FP8) | — | — | — | Open source | 5 Apr 2025 |
| 762 | Gemini 2.5 Pro Preview (Mar 2025) | — | — | — | Closed | 31 Mar 2025 |
| 763 | GPT-4o (Mar 2025) | — | — | — | Closed | 27 Mar 2025 |
| 764 | Gemini 2.5 Pro Exp (Mar 2025) | — | — | — | Closed | 25 Mar 2025 |
| 765 | o1-pro OpenAI· reasoning | — | 200K | $150.0 | ? | 19 Mar 2025 |
| 766 | o1 Pro (low) | — | — | — | Closed | 19 Mar 2025 |
| 767 | Mistral Small 3.1 24B | — | 128K | $0.35 | Open source | 17 Mar 2025 |
| 768 | Cohere Command A | — | — | — | Open source | 13 Mar 2025 |
| 769 | Reka Flash 3 Reka AI· reasoning | — | 66K | $0.10 | Open source | 12 Mar 2025 |
| 770 | Gemma 3 1B | — | — | — | Open source | 12 Mar 2025 |
| 771 | computer-use-preview-2025-03-11 | — | — | — | ? | 11 Mar 2025 |
| 772 | Skyfall 36B V2 | — | 33K | $0.55 | Open source | 10 Mar 2025 |
| 773 | Sonar Pro | — | 200K | $3.00 | ? | 7 Mar 2025 |
| 774 | Sonar Reasoning Pro Perplexity· reasoning | — | 128K | $2.00 | ? | 7 Mar 2025 |
| 775 | Sonar Deep Research Perplexity· reasoning | — | 128K | $2.00 | ? | 7 Mar 2025 |
| 776 | GPT-4.5 Preview (Feb 2025) | — | — | — | Closed | 27 Feb 2025 |
| 777 | Claude 3.7 Sonnet (64k thinking) | — | — | — | Closed | 24 Feb 2025 |
| 778 | Claude 3.7 Sonnet (32k thinking) | — | — | — | Closed | 24 Feb 2025 |
| 779 | Claude 3.7 Sonnet (16k thinking) | — | — | — | Closed | 24 Feb 2025 |
| 780 | Claude 3.7 Sonnet (8k thinking) | — | — | — | Closed | 24 Feb 2025 |
| 781 | Claude 3.7 Sonnet (1k thinking) | — | — | — | Closed | 24 Feb 2025 |
| 782 | Claude 3.7 Sonnet (2k thinking) | — | — | — | Closed | 24 Feb 2025 |
| 783 | Claude 3.7 Sonnet (15k thinking) | — | — | — | Closed | 24 Feb 2025 |
| 784 | Claude 3.7 Sonnet (unknown thinking) | — | — | — | Closed | 24 Feb 2025 |
| 785 | Claude 3.7 Sonnet (12k thinking) | — | — | — | Closed | 24 Feb 2025 |
| 786 | Saba | — | 33K | $0.20 | ? | 17 Feb 2025 |
| 787 | Gemini 2.0 Pro Exp (Feb 2025) | — | — | — | Closed | 5 Feb 2025 |
| 788 | Gemini 2.0 Flash-Lite | — | — | — | Closed | 5 Feb 2025 |
| 789 | Aion-RP 1.0 (8B) | — | 33K | $0.80 | ? | 4 Feb 2025 |
| 790 | Qwen-Plus | — | 1M | $0.26 | ? | 1 Feb 2025 |
| 791 | Qwen2.5 VL 72B Instruct | — | 128K | $0.80 | Open source | 1 Feb 2025 |
| 792 | o3 Mini (batch) OpenAI· reasoning | — | 200K | $0.55 | ? | 31 Jan 2025 |
| 793 | o3-mini (medium) | — | — | — | Closed | 31 Jan 2025 |
| 794 | GPT-4o (Jan 2025) | — | — | — | Closed | 29 Jan 2025 |
| 795 | Sonar | — | 127K | $1.00 | ? | 27 Jan 2025 |
| 796 | Qwen Plus (Jan 2025) | — | — | — | Closed | 25 Jan 2025 |
| 797 | Gemini 2.0 Flash Thinking Exp | — | — | — | Closed | 21 Jan 2025 |
| 798 | DeepSeek-R1-Distill-Qwen-1.5B | — | — | — | Open source | 20 Jan 2025 |
| 799 | DeepSeek-R1-Distill-Llama-70B | — | — | — | Open source | 20 Jan 2025 |
| 800 | MiniMax-01 | — | 1M | $0.20 | Open source | 15 Jan 2025 |