Model intelligence

678 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.

Leads on ECI

Claude Opus 5.5

ECI 167.35Epoch AI

Leads on GPQA Diamond

GPT-6 Astra

95.8%Epoch AI

Leads on SWE-bench Verified

Claude Opus 4.7

83.5%Epoch AI

Cheapest in ECI top 10

Claude Sonnet 5.5

$2.00/M inputOpenRouter

Longest context

Grok 4.20 Multi-Agent

2M tokensOpenRouter

Best open-weight on ECI

Kimi K3

ECI 157.61Epoch AI

Epoch Capabilities Index by release date

Capability frontier

About ECI ↗

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.

678 models

#	Model	ECI ↓	AA idx	GPQA◆	SWE-v	FrontierMath	AIME	HLE	Terminal	Context	In $/M	Out $/M	Weights	Released
1	Claude Opus 5.5 Anthropic· reasoning	167.3	57.6	90.6	—	91.2	100.0	—	—	1M	$4.00	$20.0	Closed	22 Sep 2026
2	GPT-6 Astra OpenAI· reasoning	166.5	52.7	95.8	—	93.7	100.0	—	—	1.05M	$10.0	$50.0	Closed	3 Sep 2026
3	Claude Sonnet 5.5 Anthropic· reasoning	165.2	56.0	95.6	—	88.8	100.0	—	—	1M	$2.00	$10.0	Closed	28 Sep 2026
4	Claude Fable 5.1 Anthropic· reasoning	164.8	53.4	—	—	90.2	100.0	—	—	1M	$10.0	$50.0	Closed	1 Sep 2026
5	Claude Opus 5 Anthropic· reasoning	162.9	50.8	93.9	—	85.6	98.9	—	—	1M	$5.00	$25.0	Closed	24 Jul 2026
6	GPT-5.5 Pro OpenAI· reasoning	162.4	—	—	—	—	—	—	—	1.05M	$30.0	$180.0	Closed	23 Apr 2026
7	Claude Fable 5 Anthropic· reasoning	162.2	49.6	85.9	—	87.0	100.0	—	—	1M	$10.0	$50.0	Closed	9 Jun 2026
8	GPT-5.6 Sol OpenAI· reasoning	161.8	47.0	93.5	—	89.1	100.0	—	—	1.05M	$2.00	$10.0	Closed	9 Jul 2026
9	GPT-5.6 Terra OpenAI· reasoning	159.8	42.1	93.3	—	86.0	99.7	—	—	1.05M	$2.00	$12.0	Closed	9 Jul 2026
10	GPT-5.5 OpenAI· reasoning	159.2	38.4	—	—	—	—	—	—	1.05M	$5.00	$30.0	Closed	23 Apr 2026
11	GPT-5.4 Pro OpenAI· reasoning	159.1	—	—	—	—	—	44.3	—	1.05M	$30.0	$180.0	Closed	5 Mar 2026
12	Claude Opus 4.8 Anthropic· reasoning	158.3	41.8	91.0	—	80.0	98.3	—	—	1M	$5.00	$25.0	Closed	28 May 2026
13	Kimi K3 Moonshot AI· reasoning	157.6	43.6	93.1	—	72.2	97.2	—	—	1.05M	$0.28	$10.0	Open source	16 Jul 2026
14	Gemini 3.7 Flash Google· reasoning	157.4	39.1	94.8	—	71.6	97.2	—	—	1.05M	$0.75	$3.75	Closed	13 Aug 2026
15	Gemini 3.8 Flash Google· reasoning	156.9	40.9	95.4	—	68.4	98.9	—	—	1.05M	$0.75	$3.75	Closed	2 Sep 2026
16	GPT-5.4 OpenAI· reasoning	156.9	—	89.9	76.9	—	97.8	—	—	1.05M	$2.50	$15.0	Closed	5 Mar 2026
17	Muse Spark 1.3 Meta· reasoning	156.9	—	—	—	74.0	—	—	—	1.05M	$1.25	$4.25	Closed	2 Sep 2026
18	GPT-5.3-Codex OpenAI· reasoning	156.8	—	—	74.8	—	—	—	78.4	400K	$1.75	$14.0	Closed	5 Feb 2026
19	Grok 4.6 xAI· reasoning	156.6	44.3	94.0	—	—	97.8	—	—	500K	$2.00	$6.00	Closed	12 Aug 2026
20	Qwen 3.8 Max Alibaba (Qwen)	156.6	—	—	—	—	—	—	—	—	—	—	Closed	2 Aug 2026
21	GPT-5.6 Luna OpenAI· reasoning	156.4	37.3	91.6	—	82.1	98.3	—	—	1.05M	$0.20	$1.20	Closed	9 Jul 2026
22	Claude Opus 4.7 Anthropic· reasoning	156.3	—	86.4	83.5	70.2	86.7	—	—	1M	$5.00	$25.0	Closed	16 Apr 2026
23	Claude Sonnet 5 Anthropic· reasoning	156.3	38.2	80.3	—	65.6	80.0	—	—	1M	$2.00	$10.0	Closed	30 Jun 2026
24	GLM 5.3 Z.ai (Zhipu AI)· reasoning	155.8	44.8	90.9	—	68.8	91.1	—	—	1.05M	$1.40	$4.40	Open source	14 Aug 2026
25	GPT-5.2 Pro OpenAI· reasoning	155.4	—	—	—	74.0	—	—	—	400K	$21.0	$168.0	Closed	11 Dec 2025
26	DeepSeek V4 Pro 0813 DeepSeek· reasoning	155.4	36.0	91.7	—	64.6	98.6	—	—	1.05M	$0.66	$1.98	Open source	13 Aug 2026
27	Claude Opus 4.6 Anthropic· reasoning	155.3	—	88.4	—	66.0	91.1	34.4	—	1M	$5.00	$25.0	Closed	5 Feb 2026
28	Qwen3.8 Max (0902) Alibaba (Qwen)· reasoning	155.2	45.4	—	—	—	—	—	—	1M	$2.00	$6.00	Closed	1 Sep 2026
29	DeepSeek V4.1 Flash DeepSeek· reasoning	155.0	39.5	—	—	—	—	—	—	1.05M	$0.020	$0.40	Open source	9 Sep 2026
30	Muse Spark 1.2 Meta· reasoning	155.0	39.6	—	—	—	—	—	—	1.05M	$1.25	$4.25	Closed	5 Aug 2026
31	Gemini 3.1 Pro Google	154.8	—	—	—	—	—	—	—	—	—	—	Closed	19 Feb 2026
32	DeepSeek V4 Flash 0731 DeepSeek· reasoning	154.5	34.3	91.0	—	57.5	94.4	—	—	1.05M	$0.010	$1.28	Open source	31 Jul 2026
33	Gemini 3.5 Flash Google· reasoning	154.5	32.6	92.8	79.3	62.8	95.6	—	—	1.05M	$1.50	$9.00	Closed	19 May 2026
34	Gemini 3.6 Flash Google· reasoning	154.3	34.0	94.1	—	58.9	94.2	—	—	1.05M	$0.75	$3.75	Closed	21 Jul 2026
35	Muse Spark 1.1 Meta· reasoning	154.3	33.7	—	—	—	—	—	—	1.05M	$1.25	$4.25	Closed	9 Jul 2026
36	Grok 4.5 xAI· reasoning	154.0	38.8	93.4	—	57.2	97.8	—	—	500K	$2.00	$6.00	Closed	8 Jul 2026
37	Qwen3.7 Max Alibaba (Qwen)· reasoning	153.7	29.5	90.9	77.3	64.6	95.6	—	—	1M	$1.48	$4.42	Closed	19 May 2026
38	GPT-5.2 OpenAI· reasoning	153.5	—	88.2	73.8	—	96.1	—	—	400K	$1.75	$14.0	Closed	11 Dec 2025
39	Gemini 3 Pro Google	152.9	—	—	—	—	—	—	—	—	—	—	Closed	18 Nov 2025
40	Claude Sonnet 4.6 Anthropic· reasoning	152.3	30.1	83.3	—	—	75.6	—	—	1M	$3.00	$15.0	Closed	17 Feb 2026
41	Muse Spark Meta	152.1	—	89.8	—	—	88.9	40.6	—	—	—	—	Closed	8 Apr 2026
42	Grok 4.20 xAI· reasoning	152.0	—	89.3	—	44.9	92.2	—	57.3	2M	$1.25	$2.50	Closed	17 Feb 2026
43	GLM 5.3 Flash Z.ai (Zhipu AI)· reasoning	151.9	41.8	90.2	—	55.8	93.9	—	—	1.05M	$0.15	$0.50	Open source	20 Aug 2026
44	Gemini 3 Flash Google	151.8	—	—	—	—	—	—	—	—	—	—	Closed	17 Dec 2025
45	GLM 5.2 Z.ai (Zhipu AI)· reasoning	151.8	33.7	91.9	78.7	59.2	86.4	—	—	1.05M	$0.32	$3.99	Open source	16 Jun 2026
46	Kimi K2.6 Moonshot AI· reasoning	151.1	27.0	90.8	76.7	57.2	96.1	—	—	262K	$0.65	$3.41	Open source	20 Apr 2026
47	GPT-5 Pro OpenAI· reasoning	150.3	—	—	—	55.8	—	31.6	—	400K	$15.0	$120.0	Closed	7 Oct 2025
48	Inkling Small Thinking Machines Lab· reasoning	150.2	25.7	—	—	—	—	—	—	524K	$0.45	$1.20	Open source	15 Jul 2026
49	Claude Opus 4.5 Anthropic· reasoning	150.1	—	—	—	—	—	—	—	200K	$5.00	$25.0	Closed	24 Nov 2025
50	Kimi K2.7 Code Moonshot AI· reasoning	150.0	25.8	87.9	—	54.0	95.6	—	—	262K	$0.67	$3.35	Open source	12 Jun 2026
51	GPT-5 OpenAI· reasoning	150.0	—	86.2	73.6	55.4	91.4	25.3	—	400K	$1.25	$10.0	Closed	7 Aug 2025
52	GLM 5.1 Z.ai (Zhipu AI)· reasoning	149.9	26.1	89.9	74.2	36.8	93.3	—	—	205K	$0.96	$3.03	Open source	7 Apr 2026
53	GPT-5.1 OpenAI· reasoning	149.7	—	87.6	68.0	—	88.6	—	—	400K	$1.25	$10.0	Closed	13 Nov 2025
54	Qwen 3.8 27B Alibaba (Qwen)	149.4	—	—	—	—	—	—	—	—	—	—	Open source	14 Aug 2026
55	Qwen 3.6 Max (Preview) Alibaba (Qwen)	149.2	—	87.4	76.7	—	91.1	—	—	—	—	—	Closed	20 Apr 2026
56	Grok 4.3 Beta xAI	149.2	—	88.8	—	42.8	93.3	—	—	—	—	—	Closed	17 Apr 2026
57	DeepSeek V4 Pro 0423 DeepSeek· reasoning	149.1	30.4	—	—	—	—	—	—	1.05M	$0.78	$1.57	Open source	24 Apr 2026
58	GPT-5.4 Mini OpenAI· reasoning	148.8	24.1	83.6	—	—	87.2	—	—	400K	$0.75	$4.50	Closed	17 Mar 2026
59	Inkling Thinking Machines Lab· reasoning	148.6	25.0	—	—	—	—	—	—	524K	$1.00	$4.05	Open source	15 Jul 2026
60	Kimi K2.5 Moonshot AI· reasoning	148.0	—	—	73.8	—	—	24.4	43.2	262K	$0.45	$2.25	Open source	27 Jan 2026
61	Qwen 3.6 Plus Alibaba (Qwen)	147.6	—	—	—	—	—	—	—	—	—	—	Closed	31 Mar 2026
62	o3 Pro OpenAI· reasoning	147.4	—	—	—	—	—	—	—	200K	$20.0	$80.0	Closed	10 Jun 2025
63	Qwen3.7 Plus Alibaba (Qwen)· reasoning	147.4	25.2	87.9	—	34.4	93.3	—	—	1M	$0.32	$1.28	Closed	2 Jun 2026
64	MiniMax M3 MiniMax· reasoning	147.0	29.2	90.9	—	—	71.1	—	—	1.05M	$0.30	$1.20	Open source	1 Jun 2026
65	o3 OpenAI· reasoning	146.9	—	81.8	—	33.3	83.9	20.3	—	200K	$2.00	$8.00	Closed	16 Apr 2025
66	Claude Sonnet 4.5 Anthropic· reasoning	146.8	20.7	—	—	—	—	—	—	1M	$3.00	$15.0	Closed	29 Sep 2025
67	Qwen 3.5 Plus (hosted 397B-A17B) Alibaba (Qwen)	146.8	—	—	—	—	—	—	—	—	—	—	Closed	16 Feb 2026
68	MiniMax M2.5 MiniMax· reasoning	146.7	—	—	—	—	—	—	42.7	205K	$0.27	$1.08	Open source	12 Feb 2026
69	Qwen3.5 397B A17B Alibaba (Qwen)· reasoning	146.7	18.4	86.4	—	31.2	88.9	—	—	262K	$0.55	$3.50	Open source	13 Feb 2026
70	Qwen3.6 27B Alibaba (Qwen)· reasoning	146.5	21.4	85.9	—	35.1	91.1	—	—	262K	$0.32	$3.20	Open source	22 Apr 2026
71	Grok 4 xAI	146.4	—	87.0	—	—	84.0	—	27.2	—	—	—	Closed	9 Jul 2025
72	DeepSeek V3.2 DeepSeek· reasoning	146.3	—	83.4	—	—	87.8	—	—	164K	$0.28	$0.42	Open source	1 Dec 2025
73	Nemotron 3 Ultra NVIDIA· reasoning	146.2	22.9	85.4	—	—	86.7	—	—	262K	$0.60	$2.40	Open source	4 Jun 2026
74	DeepSeek V4 Flash 0423 DeepSeek· reasoning	146.1	24.4	—	—	—	—	—	—	1.05M	$0.079	$0.16	Open source	24 Apr 2026
75	Kimi K2 Thinking Moonshot AI· reasoning	146.0	—	—	—	—	—	—	35.7	262K	$0.60	$2.50	Open source	6 Nov 2025
76	MiniMax M2.7 MiniMax· reasoning	145.9	22.8	—	—	—	—	—	45.1	205K	$0.21	$0.84	Open source	18 Mar 2026
77	GLM 5 Z.ai (Zhipu AI)· reasoning	145.8	—	87.8	72.1	—	80.0	—	52.4	205K	$0.60	$1.92	Open source	11 Feb 2026
78	GPT-5.4 Nano OpenAI· reasoning	145.8	20.7	78.5	—	44.9	87.8	—	—	400K	$0.20	$1.25	Closed	17 Mar 2026
79	o4 Mini OpenAI· reasoning	145.6	—	79.6	—	36.1	81.7	18.1	—	200K	$1.10	$4.40	Closed	16 Apr 2025
80	GPT-5 Mini OpenAI· reasoning	145.5	16.8	75.0	—	46.7	86.7	—	—	400K	$0.25	$2.00	Closed	7 Aug 2025
81	Gemini 2.5 Pro (Jun 2025) Google	145.3	—	85.3	57.6	24.6	84.7	—	32.6	—	—	—	Closed	5 Jun 2025
82	Gemini 3.5 Flash Lite Google· reasoning	145.1	22.2	83.3	—	26.0	71.1	—	—	1.05M	$0.30	$2.50	Closed	21 Jul 2026
83	DeepSeek V3.2 Exp DeepSeek· reasoning	145.0	—	—	—	—	—	—	—	164K	$0.27	$0.41	Open source	29 Sep 2025
84	Qwen3.7 Flash Alibaba (Qwen)· reasoning	144.6	—	82.3	—	19.3	86.7	—	—	1M	$0.030	$0.13	Closed	27 Jul 2026
85	Gemini 3.1 Flash Lite Google· reasoning	144.4	—	81.8	—	27.7	80.0	8.6	—	1.05M	$0.25	$1.50	Closed	3 Mar 2026
86	Grok 4 Fast xAI	144.2	—	—	—	—	—	—	—	—	—	—	Closed	19 Sep 2025
87	Gemini 2.5 Pro (Mar 2025) Google	144.2	—	—	—	—	—	—	—	—	—	—	Closed	31 Mar 2025
88	Claude Opus 4.1 Anthropic· reasoning	144.1	—	77.3	73.3	12.6	68.9	—	38.0	200K	$15.0	$75.0	Closed	5 Aug 2025
89	Qwen 3.5 Flash (hosted 35B-A3B) Alibaba (Qwen)	144.0	—	—	—	—	—	—	—	—	—	—	Closed	25 Feb 2026
90	Qwen 3.6 35B-A3B Alibaba (Qwen)	143.9	—	—	—	—	—	—	—	—	—	—	Open source	14 Apr 2026
91	Qwen3-235B-A22B-Thinking (Jul 2025) Alibaba (Qwen)	143.8	—	80.1	—	—	86.7	—	—	—	—	—	Open source	25 Jul 2025
92	GLM 4.7 Z.ai (Zhipu AI)· reasoning	143.5	—	83.3	—	—	83.3	—	33.4	205K	$0.60	$2.20	Open source	22 Dec 2025
93	Qwen 3.6 Flash Alibaba (Qwen)	143.3	—	—	—	—	—	—	—	—	—	—	Closed	27 Apr 2026
94	Gemini 2.5 Flash (Sep 2025) Google	143.0	—	—	—	—	—	—	17.1	—	—	—	Closed	25 Sep 2025
95	Gemma 4 31B Google· reasoning	142.8	14.7	75.8	—	—	73.3	—	—	262K	$0.090	$0.34	Open source	2 Apr 2026
96	Claude Opus 4 Anthropic	142.7	—	76.3	70.7	—	64.4	10.7	—	—	—	—	Closed	22 May 2025
97	Qwen3.5-35B-A3B Alibaba (Qwen)· reasoning	142.5	—	83.5	—	—	70.0	—	—	262K	$0.16	$1.30	Open source	24 Feb 2026
98	GPT-5.5 Instant OpenAI	142.5	—	82.5	—	26.3	68.1	—	—	—	—	—	Closed	5 May 2026
99	Gemini 2.5 Pro (May 2025) Google	142.5	—	—	—	—	—	—	—	—	—	—	Closed	6 May 2025
100	Claude Haiku 4.5 Anthropic· reasoning	142.4	16.9	71.2	—	—	66.7	—	29.8	200K	$1.00	$5.00	Closed	15 Oct 2025

Showing 100 of 678. Benchmark cells are % (best reported setting). 3.9K benchmark results in total.Next →Export CSV