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 |
|---|---|---|---|---|---|---|
| 601 | GPT-5.2 Chat | — | 128K | $1.75 | ? | 10 Dec 2025 |
| 602 | GPT-5.2 (batch) OpenAI· reasoning | — | 400K | $0.88 | ? | 10 Dec 2025 |
| 603 | GPT-5.2 Pro (batch) OpenAI· reasoning | — | 400K | $10.5 | ? | 10 Dec 2025 |
| 604 | GLM 4.6V Z.ai (Zhipu AI)· reasoning | — | 131K | $0.30 | Open source | 8 Dec 2025 |
| 605 | Relace Search | — | 256K | $1.00 | ? | 8 Dec 2025 |
| 606 | GPT-5.1-Codex-Max OpenAI· reasoning | — | 400K | $1.25 | ? | 4 Dec 2025 |
| 607 | Nova 2 Lite Amazon· reasoning | — | 1M | $0.30 | ? | 2 Dec 2025 |
| 608 | Mistral Large 3 | — | — | — | Open source | 2 Dec 2025 |
| 609 | DeepSeek-V3.2 (Thinking; Fireworks) | — | — | — | Open source | 1 Dec 2025 |
| 610 | DeepSeek-V3.2 (Thinking; Novita) | — | — | — | Open source | 1 Dec 2025 |
| 611 | DeepSeek-V3.2-Speciale | — | — | — | Open source | 1 Dec 2025 |
| 612 | Claude Opus 4.5 (batch) Anthropic· reasoning | — | 200K | $2.50 | ? | 24 Nov 2025 |
| 613 | Claude Opus 4.5 (16k thinking) | — | — | — | Closed | 24 Nov 2025 |
| 614 | Claude Opus 4.5 (32k thinking) | — | — | — | Closed | 24 Nov 2025 |
| 615 | Claude Opus 4.5 (no thinking) | — | — | — | Closed | 24 Nov 2025 |
| 616 | Claude Opus 4.5 (128k thinking) | — | — | — | Closed | 24 Nov 2025 |
| 617 | Claude Opus 4.5 (48k thinking) | — | — | — | Closed | 24 Nov 2025 |
| 618 | Claude Opus 4.5 (64k thinking) | — | — | — | Closed | 24 Nov 2025 |
| 619 | Claude Opus 4.5 (8k thinking) | — | — | — | Closed | 24 Nov 2025 |
| 620 | Claude Opus 4.5 (unknown thinking) | — | — | — | Closed | 24 Nov 2025 |
| 621 | Claude Opus 4.5 (low) | — | — | — | Closed | 24 Nov 2025 |
| 622 | Nano Banana Pro (Gemini 3 Pro Image Preview) Google· reasoning | — | 66K | $2.00 | ? | 20 Nov 2025 |
| 623 | Grok 4.1 Fast | — | — | — | Closed | 19 Nov 2025 |
| 624 | Gemini 3 Pro Preview | — | — | — | Closed | 18 Nov 2025 |
| 625 | Gemini 3 Pro Preview (low) | — | — | — | Closed | 18 Nov 2025 |
| 626 | Grok 4.1 | — | — | — | Closed | 17 Nov 2025 |
| 627 | GPT-5.1 (batch) OpenAI· reasoning | — | 400K | $0.63 | ? | 13 Nov 2025 |
| 628 | GPT-5.1-Codex OpenAI· reasoning | — | 400K | $1.25 | ? | 13 Nov 2025 |
| 629 | GPT-5.1-Codex-Mini OpenAI· reasoning | — | 400K | $0.25 | ? | 13 Nov 2025 |
| 630 | GPT-5.1 (no thinking) | — | — | — | Closed | 13 Nov 2025 |
| 631 | GPT-5.1 (medium) | — | — | — | Closed | 13 Nov 2025 |
| 632 | GPT-5.1 (low) | — | — | — | Closed | 13 Nov 2025 |
| 633 | GPT-5.1 (unknown thinking) | — | — | — | Closed | 13 Nov 2025 |
| 634 | Kimi K2 Thinking Turbo | — | — | — | Open source | 6 Nov 2025 |
| 635 | Kimi K2 Thinking (Together) | — | — | — | Open source | 6 Nov 2025 |
| 636 | Nova Premier 1.0 | — | 1M | $2.50 | ? | 31 Oct 2025 |
| 637 | Sonar Pro Search Perplexity· reasoning | — | 200K | $3.00 | ? | 30 Oct 2025 |
| 638 | Voxtral Small 24B 2507 | — | 33K | $0.10 | Open source | 30 Oct 2025 |
| 639 | gpt-oss-safeguard-20b OpenAI· reasoning | — | 131K | $0.075 | Open source | 29 Oct 2025 |
| 640 | granite-4.0-1b | — | — | — | ? | 28 Oct 2025 |
| 641 | granite-4.0-350m | — | — | — | ? | 28 Oct 2025 |
| 642 | MiniMax M2 MiniMax· reasoning | — | 205K | $0.30 | Open source | 23 Oct 2025 |
| 643 | Qwen3 VL 32B Instruct | — | 131K | $0.10 | Open source | 23 Oct 2025 |
| 644 | Granite 4.0 Micro | — | 131K | $0.017 | Open source | 20 Oct 2025 |
| 645 | GPT-5 Image Mini OpenAI· reasoning | — | 400K | $2.50 | ? | 16 Oct 2025 |
| 646 | Claude Haiku 4.5 (low) | — | — | — | Closed | 15 Oct 2025 |
| 647 | Claude Haiku 4.5 (unknown thinking) | — | — | — | Closed | 15 Oct 2025 |
| 648 | GPT-5 Image OpenAI· reasoning | — | 400K | $10.0 | ? | 14 Oct 2025 |
| 649 | Qwen3 VL 8B Thinking Alibaba (Qwen)· reasoning | — | 131K | $0.18 | Open source | 14 Oct 2025 |
| 650 | Qwen3 VL 8B Instruct | — | 262K | $0.12 | Open source | 14 Oct 2025 |
| 651 | Nano Banana (Gemini 2.5 Flash Image) | — | 33K | $0.30 | ? | 7 Oct 2025 |
| 652 | GPT-5 Pro (batch) OpenAI· reasoning | — | 400K | $7.50 | ? | 6 Oct 2025 |
| 653 | Qwen3 VL 30B A3B Thinking Alibaba (Qwen)· reasoning | — | 262K | $0.20 | Open source | 6 Oct 2025 |
| 654 | Qwen3 VL 30B A3B Instruct | — | 262K | $0.15 | Open source | 6 Oct 2025 |
| 655 | tiny-recursion-model | — | — | — | ? | 6 Oct 2025 |
| 656 | GLM 4.6 Z.ai (Zhipu AI)· reasoning | — | 205K | $0.43 | Open source | 30 Sep 2025 |
| 657 | GLM-4.6 (Together) | — | — | — | Open source | 30 Sep 2025 |
| 658 | Claude Sonnet 4.5 (16k thinking) | — | — | — | Closed | 29 Sep 2025 |
| 659 | Claude Sonnet 4.5 (59k thinking) | — | — | — | Closed | 29 Sep 2025 |
| 660 | Claude Sonnet 4.5 (32k thinking) | — | — | — | Closed | 29 Sep 2025 |
| 661 | Claude Sonnet 4.5 (no thinking) | — | — | — | Closed | 29 Sep 2025 |
| 662 | Claude Sonnet 4.5 (48k thinking) | — | — | — | Closed | 29 Sep 2025 |
| 663 | Claude Sonnet 4.5 (8k thinking) | — | — | — | Closed | 29 Sep 2025 |
| 664 | Claude Sonnet 4.5 (1k thinking) | — | — | — | Closed | 29 Sep 2025 |
| 665 | Claude Sonnet 4.5 (unknown thinking) | — | — | — | Closed | 29 Sep 2025 |
| 666 | Claude Sonnet 4.5 (2k thinking) | — | — | — | Closed | 29 Sep 2025 |
| 667 | Claude Sonnet 4.5 (low) | — | — | — | Closed | 29 Sep 2025 |
| 668 | Claude Sonnet 4.5 (12k thinking) | — | — | — | Closed | 29 Sep 2025 |
| 669 | Cydonia 24B V4.1 | — | 131K | $0.30 | Open source | 27 Sep 2025 |
| 670 | Relace Apply 3 | — | 256K | $0.85 | ? | 26 Sep 2025 |
| 671 | gemini-robotics-er-1.5-preview | — | — | — | ? | 26 Sep 2025 |
| 672 | Gemini 2.5 Flash-Lite (Sep 2025) | — | — | — | Closed | 25 Sep 2025 |
| 673 | Qwen3-Max-Instruct | — | — | — | Closed | 24 Sep 2025 |
| 674 | Qwen3 Coder Plus | — | 1M | $0.65 | ? | 23 Sep 2025 |
| 675 | Qwen3 VL 235B A22B Thinking Alibaba (Qwen)· reasoning | — | 131K | $0.40 | Open source | 23 Sep 2025 |
| 676 | Qwen3 VL 235B A22B Instruct | — | 262K | $0.21 | Open source | 23 Sep 2025 |
| 677 | Qwen3 Coder Flash | — | 1M | $0.20 | ? | 17 Sep 2025 |
| 678 | GPT-5-codex | — | — | — | Closed | 15 Sep 2025 |
| 679 | Qwen3 Next 80B A3B Thinking Alibaba (Qwen)· reasoning | — | 262K | $0.15 | Open source | 11 Sep 2025 |
| 680 | Qwen3 Next 80B A3B Instruct | — | 262K | $0.10 | Open source | 11 Sep 2025 |
| 681 | Qwen Plus 0728 Alibaba (Qwen)· reasoning | — | 1M | $0.26 | ? | 8 Sep 2025 |
| 682 | Kimi K2 0905 (Novita) | — | — | — | Open source | 5 Sep 2025 |
| 683 | Kimi K2 Instruct (0905) | — | — | — | Open source | 5 Sep 2025 |
| 684 | Kimi K2 (Sep 2025) | — | — | — | Open source | 5 Sep 2025 |
| 685 | Kimi K2 0905 | — | 262K | $0.60 | Open source | 4 Sep 2025 |
| 686 | grok-code-fast-1 | — | — | — | ? | 28 Aug 2025 |
| 687 | Hermes 4 405B Nous Research· reasoning | — | 131K | $1.00 | Open source | 26 Aug 2025 |
| 688 | seed-oss-36b-instruct | — | — | — | ? | 20 Aug 2025 |
| 689 | nvidia-nemotron-nano-9b-v2 | — | — | — | ? | 18 Aug 2025 |
| 690 | GLM 4.5V Z.ai (Zhipu AI)· reasoning | — | 66K | $0.60 | Open source | 11 Aug 2025 |
| 691 | GPT-5 (batch) OpenAI· reasoning | — | 400K | $0.63 | ? | 7 Aug 2025 |
| 692 | GPT-5 Nano (batch) OpenAI· reasoning | — | 400K | $0.025 | ? | 7 Aug 2025 |
| 693 | GPT-5 mini (minimal) | — | — | — | Closed | 7 Aug 2025 |
| 694 | GPT-5 (minimal) | — | — | — | Closed | 7 Aug 2025 |
| 695 | GPT-5 nano (low) | — | — | — | Closed | 7 Aug 2025 |
| 696 | GPT-5 nano (minimal) | — | — | — | Closed | 7 Aug 2025 |
| 697 | GPT-5 mini (medium) | — | — | — | Closed | 7 Aug 2025 |
| 698 | GPT-5 (medium) | — | — | — | Closed | 7 Aug 2025 |
| 699 | GPT-5 nano (medium) | — | — | — | Closed | 7 Aug 2025 |
| 700 | GPT-5 (low) | — | — | — | Closed | 7 Aug 2025 |