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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
GPT-6 Astra
ECI 166.6Epoch 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
GPT-5.6 Sol
$2.00/M inputOpenRouter
Longest context
Grok 4.20 Multi-Agent
2M tokensOpenRouter
Best open-weight on ECI
Kimi K3
ECI 157.68Epoch AI
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.

#ModelECI ↓ContextIn $/MReleased
1GPT-6 Astra
OpenAI· reasoning
166.61.05M$10.03 Sep 2026
2Claude Fable 5.1
Anthropic· reasoning
165.01M$10.01 Sep 2026
3Claude Fable 5
Anthropic· reasoning
163.61M$10.09 Jun 2026
4Claude Opus 5
Anthropic· reasoning
162.71M$5.0024 Jul 2026
5GPT-5.5 Pro
OpenAI· reasoning
162.41.05M$30.023 Apr 2026
6GPT-5.6 Sol
OpenAI· reasoning
162.01.05M$2.009 Jul 2026
7GPT-5.6 Terra
OpenAI· reasoning
159.31.05M$2.009 Jul 2026
8GPT-5.5
OpenAI· reasoning
159.31.05M$5.0023 Apr 2026
9GPT-5.4 Pro
OpenAI· reasoning
159.11.05M$30.05 Mar 2026
10Claude Opus 4.8
Anthropic· reasoning
158.31M$5.0028 May 2026
11Gemini 3.7 Flash
Google· reasoning
157.71.05M$0.7513 Aug 2026
12Kimi K3
Moonshot AI· reasoning
157.71.05M$3.0016 Jul 2026
13Gemini 3.8 Flash
Google· reasoning
157.11.05M$0.752 Sep 2026
14GPT-5.4
OpenAI· reasoning
156.91.05M$2.505 Mar 2026
15Muse Spark 1.3
Meta· reasoning
156.91.05M$1.252 Sep 2026
16GPT-5.3-Codex
OpenAI· reasoning
156.8400K$1.755 Feb 2026
17Qwen 3.8 Max156.7——2 Aug 2026
18Grok 4.6
xAI· reasoning
156.5500K$2.0012 Aug 2026
19Claude Opus 4.7
Anthropic· reasoning
156.41M$5.0016 Apr 2026
20Claude Sonnet 5
Anthropic· reasoning
156.31M$2.0030 Jun 2026
21GPT-5.6 Luna
OpenAI· reasoning
156.31.05M$0.209 Jul 2026
22GLM 5.3
Z.ai (Zhipu AI)· reasoning
155.61.31M$1.4014 Aug 2026
23GPT-5.2 Pro
OpenAI· reasoning
155.4400K$21.011 Dec 2025
24DeepSeek V4 Pro 0813
DeepSeek· reasoning
155.41.05M$0.3913 Aug 2026
25Claude Opus 4.6
Anthropic· reasoning
155.41M$5.005 Feb 2026
26Qwen3.8 Max (0902)
Alibaba (Qwen)· reasoning
155.31M$2.001 Sep 2026
27Muse Spark 1.2
Meta· reasoning
155.21.05M$1.255 Aug 2026
28DeepSeek V4.1 Flash
DeepSeek· reasoning
155.01.05M$0.309 Sep 2026
29Gemini 3.1 Pro154.9——19 Feb 2026
30Gemini 3.5 Flash
Google· reasoning
154.61.05M$1.5019 May 2026
31DeepSeek V4 Flash 0731
DeepSeek· reasoning
154.51.31M$0.01831 Jul 2026
32Gemini 3.6 Flash
Google· reasoning
154.41.05M$0.7521 Jul 2026
33Muse Spark 1.1
Meta· reasoning
154.31.05M$1.259 Jul 2026
34Grok 4.5
xAI· reasoning
154.0500K$2.008 Jul 2026
35Qwen3.7 Max
Alibaba (Qwen)· reasoning
153.71M$1.4819 May 2026
36GPT-5.2
OpenAI· reasoning
153.4400K$1.7511 Dec 2025
37Gemini 3 Pro153.0——18 Nov 2025
38Claude Sonnet 4.6
Anthropic· reasoning
152.31M$3.0017 Feb 2026
39Muse Spark152.1——8 Apr 2026
40Grok 4.20
xAI· reasoning
152.02M$1.2517 Feb 2026
41GLM 5.3 Flash
Z.ai (Zhipu AI)· reasoning
151.91.31M$0.1520 Aug 2026
42Gemini 3 Flash151.8——17 Dec 2025
43GLM 5.2
Z.ai (Zhipu AI)· reasoning
151.81.05M$0.2816 Jun 2026
44Kimi K2.6
Moonshot AI· reasoning
151.0262K$0.6520 Apr 2026
45GPT-5 Pro
OpenAI· reasoning
150.3400K$15.07 Oct 2025
46Inkling Small150.1524K$0.4515 Jul 2026
47Claude Opus 4.5
Anthropic· reasoning
150.1200K$5.0024 Nov 2025
48Kimi K2.7 Code
Moonshot AI· reasoning
150.0262K$0.6612 Jun 2026
49GPT-5
OpenAI· reasoning
150.0400K$1.257 Aug 2025
50GLM 5.1
Z.ai (Zhipu AI)· reasoning
149.9205K$0.967 Apr 2026
51GPT-5.1
OpenAI· reasoning
149.7400K$1.2513 Nov 2025
52Qwen 3.8 27B149.4——14 Aug 2026
53Qwen 3.6 Max (Preview)149.3——20 Apr 2026
54DeepSeek V4 Pro 0423
DeepSeek· reasoning
149.11.05M$0.9224 Apr 2026
55Grok 4.3 Beta149.1——17 Apr 2026
56GPT-5.4 Mini
OpenAI· reasoning
148.8400K$0.7517 Mar 2026
57Inkling148.6524K$1.0015 Jul 2026
58Kimi K2.5
Moonshot AI· reasoning
148.1262K$0.4527 Jan 2026
59Qwen 3.6 Plus147.7——31 Mar 2026
60o3 Pro
OpenAI· reasoning
147.4200K$20.010 Jun 2025
61Qwen3.7 Plus
Alibaba (Qwen)· reasoning
147.41M$0.322 Jun 2026
62MiniMax M3
MiniMax· reasoning
147.01.05M$0.301 Jun 2026
63o3
OpenAI· reasoning
146.9200K$2.0016 Apr 2025
64Claude Sonnet 4.5
Anthropic· reasoning
146.81M$3.0029 Sep 2025
65Qwen 3.5 Plus (hosted 397B-A17B)146.8——16 Feb 2026
66MiniMax M2.5
MiniMax· reasoning
146.7205K$0.2712 Feb 2026
67Qwen3.5 397B A17B
Alibaba (Qwen)· reasoning
146.6262K$0.5513 Feb 2026
68Qwen3.6 27B
Alibaba (Qwen)· reasoning
146.5262K$0.3222 Apr 2026
69Grok 4146.5——9 Jul 2025
70DeepSeek V3.2
DeepSeek· reasoning
146.3164K$0.281 Dec 2025
71Nemotron 3 Ultra
NVIDIA· reasoning
146.2262K$0.604 Jun 2026
72DeepSeek V4 Flash 0423
DeepSeek· reasoning
146.11.05M$0.07624 Apr 2026
73Kimi K2 Thinking
Moonshot AI· reasoning
146.0262K$0.606 Nov 2025
74MiniMax M2.7
MiniMax· reasoning
145.8205K$0.2118 Mar 2026
75GLM 5
Z.ai (Zhipu AI)· reasoning
145.8205K$0.6011 Feb 2026
76GPT-5.4 Nano
OpenAI· reasoning
145.8400K$0.2017 Mar 2026
77o4 Mini
OpenAI· reasoning
145.6200K$1.1016 Apr 2025
78GPT-5 Mini
OpenAI· reasoning
145.5400K$0.257 Aug 2025
79Gemini 2.5 Pro (Jun 2025)145.3——5 Jun 2025
80Gemini 3.5 Flash Lite
Google· reasoning
145.11.05M$0.3021 Jul 2026
81DeepSeek V3.2 Exp
DeepSeek· reasoning
145.0164K$0.2729 Sep 2025
82Qwen3.7 Flash
Alibaba (Qwen)· reasoning
144.61M$0.03027 Jul 2026
83Gemini 3.1 Flash Lite
Google· reasoning
144.41.05M$0.253 Mar 2026
84Grok 4 Fast144.2——19 Sep 2025
85Gemini 2.5 Pro (Mar 2025)144.2——31 Mar 2025
86Claude Opus 4.1
Anthropic· reasoning
144.1200K$15.05 Aug 2025
87Qwen 3.5 Flash (hosted 35B-A3B)144.0——25 Feb 2026
88Qwen 3.6 35B-A3B143.9——14 Apr 2026
89Qwen3-235B-A22B-Thinking (Jul 2025)143.9——25 Jul 2025
90GLM 4.7
Z.ai (Zhipu AI)· reasoning
143.5205K$0.6022 Dec 2025
91Qwen 3.6 Flash143.3——27 Apr 2026
92Gemini 2.5 Flash (Sep 2025)143.0——25 Sep 2025
93Gemma 4 31B
Google· reasoning
142.7262K$0.0902 Apr 2026
94Claude Opus 4142.7——22 May 2025
95Qwen3.5-35B-A3B
Alibaba (Qwen)· reasoning
142.5262K$0.1624 Feb 2026
96GPT-5.5 Instant142.5——5 May 2026
97Gemini 2.5 Pro (May 2025)142.5——6 May 2025
98Claude Haiku 4.5
Anthropic· reasoning
142.4200K$1.0015 Oct 2025
99Qwen3 Max
Alibaba (Qwen)· reasoning
142.4262K$0.7824 Sep 2025
100o1
OpenAI· reasoning
141.9200K$15.017 Dec 2024
Showing 100 of 678. Benchmark cells are % (best reported setting). 3.8K benchmark results in total.Next →Export CSV