Region ranking

Best American AI Models in October 2026

As of October 2026, GPT-6 Astra leads the Noometry Index with a score of 70.8, ahead of Claude Fable 5.1 at 69.0.

Last verified

Models from labs headquartered in the United States.

Best American AI Models: top 10
  1. GPT-6 Astra 70.8
  2. Claude Fable 5.1 69.0
  3. Claude Opus 5.5 68.6
  4. Claude Opus 5 67.8
  5. Claude Fable 5 66.8
  6. GPT-6.1 Sol 65.6
  7. GPT-5.6 Sol 65.0
  8. GPT-5.5 Pro 64.3
  9. GPT-5.5 63.4
  10. Claude Sonnet 5.5 61.9

Full ranking

Best American AI Models
1 OpenAI GPT-6 AstraOpenAIProprietary1.05M70.8 $10 $50 3.54—
2 Anthropic Claude Fable 5.1AnthropicProprietary1M69.0 $10 $50 3.45—
3 Anthropic Claude Opus 5.5AnthropicProprietary1M68.6 $4 $20 8.57—
4 Anthropic Claude Opus 5AnthropicProprietary1M67.8 $5 $25 6.78—
5 Anthropic Claude Fable 5AnthropicProprietary1M66.8 $10 $50 3.3425
6 OpenAI GPT-6.1 SolOpenAIProprietary1.05M65.6 $2 $10 16.4—
7 OpenAI GPT-5.6 SolOpenAIProprietary1.05M65.0 $4 $20 8.1210
8 OpenAI GPT-5.5 ProOpenAIProprietary1.05M64.3 $30 $180 0.95—
9 OpenAI GPT-5.5OpenAIProprietary1.05M63.4 $5 $30 5.6325
10 Anthropic Claude Sonnet 5.5AnthropicProprietary1M61.9 $2 $10 15.5—
11 Google Gemini 3.8 FlashGoogleProprietary1.05M61.8 $0.75 $3.75 41.2—
12 OpenAI GPT-6 SolOpenAIProprietary1.05M61.8 $2 $10 15.4—
13 Anthropic Claude Opus 4.8AnthropicProprietary1M60.7 $5 $25 6.0734
14 Google Gemini 3.7 FlashGoogleProprietary1.05M59.8 $0.75 $3.75 39.9—
15 OpenAI GPT-5.4OpenAIProprietary1.05M59.4 $2.50 $15 10.612
16 OpenAI GPT-5.6 TerraOpenAIProprietary1.05M59.2 $2 $12 13.111
17 OpenAI GPT-5.4 ProOpenAIProprietary1.05M58.9 $30 $180 0.87—
18 Anthropic Claude Opus 4.7AnthropicProprietary1M58.3 $5 $25 5.8333
19 Anthropic Claude Opus 4.6AnthropicProprietary1M58.2 $5 $25 5.8219
20 xAI Grok 4.6xAIProprietary500K56.9 $2 $6 19—
21 Google Gemini 3.1 Pro PreviewGoogleProprietary1.05M56.7 $2 $12 12.6—
22 Google Gemini 4 ArgonGoogleProprietary—56.5 — — ——
23 xAI Grok 4.5xAIProprietary500K55.0 $2 $6 18.34
24 Meta Muse Spark 1.3MetaProprietary1.05M54.8 $1.25 $4.25 27.4—
25 Google Gemini 3 ProGoogleProprietary—54.8 — — —1
26 Anthropic Claude Sonnet 5AnthropicProprietary1M54.6 $2 $10 13.7—
27 OpenAI GPT-5.6 LunaOpenAIProprietary1.05M54.6 $0.20 $1.20 12112
28 Google Gemini 3.5 FlashGoogleProprietary1.05M54.2 $1.50 $9 16.1—
29 Google Gemini 3.6 FlashGoogleProprietary1.05M54.1 $0.75 $3.75 36.1—
30 OpenAI GPT-5.2OpenAIProprietary400K54.1 $1.75 $14 11.215
31 OpenAI GPT-6 LunaOpenAIProprietary1.05M53.3 $0.10 $0.50 266—
32 xAI Grok 4.7xAIProprietary500K53.1 $2 $6 17.7—
33 OpenAI GPT-5.2 ProOpenAIProprietary400K52.3 $21 $168 0.91—
34 Google Gemini 3 Flash PreviewGoogleProprietary1.05M52.3 $0.50 $3 46.5—
35 OpenAI GPT-5OpenAIProprietary400K50.9 $1.25 $10 14.82
36 Meta Muse SparkMetaProprietary—50.6 — — ——
37 Anthropic Claude Opus 4.5AnthropicProprietary200K50.5 $5 $25 5.0513
38 Meta Muse Spark 1.2MetaProprietary1.05M50.3 $1.25 $4.25 25.2—
39 Anthropic Claude Sonnet 4.6AnthropicProprietary1M50.3 $3 $15 8.38—
40 Meta Muse Spark 1.1MetaProprietary1.05M49.9 $1.25 $4.25 25—
41 Anthropic Claude Haiku 5.5AnthropicProprietary1M49.5 $0.10 $0.50 247—
42 OpenAI GPT-5.1OpenAIProprietary400K49.0 $1.25 $10 14.3—
43 xAI Grok 4.20 (Non-Reasoning)xAIProprietary1M48.6 $1.25 $2.50 31.161
44 xAI Grok 4xAIProprietary—48.1 — — —1
45 OpenAI o3OpenAIProprietary200K47.5 $2 $8 13.63
46 Thinking Machines Lab Inkling-SmallThinking Machines LabOpen524K46.5 $0.45 $1.20 72.9—
47 OpenAI GPT-5 ProOpenAIProprietary400K46.4 $15 $120 1.125
48 xAI Grok 4.20 Multi-AgentxAIProprietary1M46.2 $1.25 $2.50 29.6—
49 OpenAI GPT-5.3 CodexOpenAIProprietary400K45.8 $1.75 $14 9.52—
50 Google Gemini 2.5 ProGoogleProprietary1.05M45.0 $1.25 $10 13.15
51 OpenAI GPT-5.4 miniOpenAIProprietary400K45.0 $0.75 $4.50 26.610
52 Amazon Amazon Nova Experimental Chat 26 02 10AmazonProprietary—44.5 — — ——
53 Thinking Machines Lab InklingThinking Machines LabOpen66K44.1 $1.87 $4.68 17.1—
54 Anthropic Claude Sonnet 4.5AnthropicProprietary200K44.1 $3 $15 7.3585
55 OpenAI Chatgpt 4o Latest 20250326OpenAIProprietary—43.8 — — —21
56 xAI Grok 4.3xAIProprietary1M43.8 $1.25 $2.50 28—
57 Google Gemma 4 31B ITGoogleOpen262K43.5 $0.09 $0.34 2863
58 Google Gemma 4 26B A4B ITGoogleOpen262K43.5 $0.0675 $0.23 407—
59 Anthropic Claude Opus 4AnthropicProprietary200K43.1 $15 $75 1.4429
60 Amazon Amazon Nova Experimental Chat 11 10AmazonProprietary—43.0 — — ——
61 Amazon Amazon Nova Experimental Chat 12 10AmazonProprietary—42.9 — — ——
62 OpenAI o3-proOpenAIProprietary200K42.9 $20 $80 1.231
63 Amazon Amazon Nova Experimental Chat 26 01 10AmazonProprietary—42.8 — — ——
64 OpenAI GPT-5.3 ChatOpenAIProprietary128K42.8 $1.75 $14 8.88—
65 OpenAI GPT-5.5 InstantOpenAIProprietary—42.7 — — ——
66 OpenAI GPT-5.2 CodexOpenAIProprietary400K42.6 $1.75 $14 8.84—
67 NVIDIA Nemotron 3 UltraNVIDIAOpen262K42.5 $0.50 $2.20 45.9—
68 Amazon Amazon Nova Experimental Chat 10 20AmazonProprietary—42.1 — — ——
69 OpenAI GPT-5.4 nanoOpenAIProprietary400K41.9 $0.20 $1.25 90.619
70 Amazon Amazon Nova Experimental Chat 10 09AmazonProprietary—41.9 — — ——
71 OpenAI GPT-5 MiniOpenAIProprietary400K41.8 $0.25 $2 60.93
72 IBM Granite 4.2 30bIBMOpen—41.8 — — ——
73 Meta Muse GlimmerMetaOpen—41.7 — — ——
74 OpenAI o4-miniOpenAIProprietary200K41.6 $1.10 $4.40 21.66
75 Google Gemini 3.5 Flash LiteGoogleProprietary1.05M41.5 $0.30 $2.50 48.8—
76 xAI Grok 4.1xAIProprietary—41.5 — — ——
77 xAI Grok 4.1 FastxAIProprietary128K41.4 $0.20 $0.50 150—
78 xAI Grok-3 minixAIProprietary—41.2 — — —10
79 Anthropic Claude Opus 4.1AnthropicProprietary200K41.0 $15 $75 1.37—
80 OpenAI o1OpenAIProprietary200K40.9 $15 $60 1.56—
81 Google Gemini 3.1 Flash LiteGoogleProprietary1.05M40.8 $0.25 $1.50 72.510
82 Anthropic Claude Sonnet 4AnthropicProprietary200K40.8 $3 $15 6.7931
83 NVIDIA Nemotron 3 Nano 30B A3BNVIDIAOpen262K40.6 $0.05 $0.20 464—
84 IBM Granite 4.2 8BIBMOpen131K40.5 $0.06 $0.25 377—
85 NVIDIA Nvidia Llama 3.3 Nemotron Super 49b v1.5NVIDIAOpen131K40.3 $0.40 $0.40 101—
86 NVIDIA Nemotron 3 SuperNVIDIAOpen262K40.1 $0.08 $0.45 233—
87 NVIDIA Llama 3.3 Nemotron 49b Super v1NVIDIAOpen—40.1 — — ——
88 NVIDIA Nemotron 3.5 LightningNVIDIAOpen262K40.0 $0.05 $0.20 457—
89 xAI Grok 3xAIProprietary—39.9 — — —42
90 Amazon Nova 2 LiteAmazonProprietary1M39.7 $0.30 $2.50 46.7—
91 Anthropic Claude 3.7 SonnetAnthropicProprietary—39.5 — — ——
92 Anthropic Claude Haiku 4.5AnthropicProprietary200K39.5 $1 $5 19.8—
93 xAI Grok 4 FastxAIProprietary—39.4 — — —577
94 Allen Institute for AI (Ai2) Olmo 3.1 32b InstructAllen Institute for AI (Ai2)Open—39.4 — — ——
95 IBM Granite 4.2 3bIBMOpen—39.4 — — ——
96 Google Gemini 2.5 FlashGoogleProprietary1.05M39.3 $0.30 $2.50 46.2152
97 Google Gemini 2.0 ProGoogleProprietary—39.1 — — ——
98 Allen Institute for AI (Ai2) Molmo 2 8bAllen Institute for AI (Ai2)Open—39.1 — — ——
99 Inception Mercury 2InceptionProprietary128K39.1 $0.25 $0.75 104—
100 Allen Institute for AI (Ai2) Olmo 3 32b ThinkAllen Institute for AI (Ai2)Open—38.7 — — ——
101 Arcee AI Trinity Large ThinkingArcee AIOpen262K38.6 $0.25 $0.80 99.7—
102 OpenAI GPT-5.1-CodexOpenAIProprietary400K38.6 $1.25 $10 11.2—
103 Perplexity SonarPerplexityProprietary128K38.5 $1 $1 38.5—
104 Amazon Nova Premier 1.0AmazonProprietary1M38.3 $2.50 $12.50 7.679
105 Allen Institute for AI (Ai2) Olmo 3.1 32b ThinkAllen Institute for AI (Ai2)Open—37.9 — — ——
106 OpenAI GPT-5-CodexOpenAIProprietary400K37.9 $1.25 $10 1195
107 Google Gemini 2.0 Flash-LiteGoogleProprietary—37.8 — — ——
108 Google Gemini Advanced 0514GoogleProprietary—37.7 — — ——
109 xAI Grok 2 Mini 2024 08 13xAIProprietary—37.7 — — ——
110 Inception MercuryInceptionProprietary—37.6 — — —35
111 NVIDIA Llama 3.1 Nemotron 70b InstructNVIDIAOpen—37.6 — — ——
112 IBM Granite 4.1 8bIBMOpen—37.4 — — ——
113 Google Gemma 3n E4b ITGoogleOpen—37.3 — — —13
114 OpenAI GPT-4.5OpenAIProprietary—37.2 — — ——
115 Google Gemini 2.5 Flash-LiteGoogleProprietary1.05M37.0 $0.10 $0.40 211172
116 OpenAI o3-miniOpenAIProprietary200K36.7 $1.10 $4.40 19.1—
117 NVIDIA Llama 3.1 Nemotron Ultra 253b v1NVIDIAOpen—36.7 — — ——
118 IBM Granite 4.0 H SmallIBMOpen—36.5 — — ——
119 xAI Grok Build 0.1xAIProprietary256K36.4 $1 $2 29.1—
120 OpenAI gpt-oss-120bOpenAIOpen131K36.3 $0.037 $0.17 51755
121 OpenAI GPT-4.1OpenAIProprietary1.05M35.9 $2 $8 10.3116
122 NVIDIA Llama 3.1 Nemotron 51b InstructNVIDIAOpen—35.9 — — ——
123 NVIDIA Nemotron 4 340b InstructNVIDIAOpen—35.9 — — ——
124 Allen Institute for AI (Ai2) Llama 3.1 Tulu 3 8bAllen Institute for AI (Ai2)Open—35.7 — — ——
125 Google Gemini 2.0 Flash (Feb 2025)GoogleProprietary—35.1 — — —92
126 Anthropic Claude 3.5 SonnetAnthropicProprietary—34.6 — — ——
127 OpenAI o1-miniOpenAIProprietary—34.0 — — ——
128 Meta Codellama 70b InstructMetaOpen—33.7 — — ——
129 xAI Grok-2 (Dec 2024)xAIProprietary—33.7 — — ——
130 OpenAI GPT-4.1 miniOpenAIProprietary1.05M33.6 $0.40 $1.60 48.186
131 OpenAI GPT-5 NanoOpenAIProprietary400K33.5 $0.05 $0.40 2444
132 Inception Mercury 2.5InceptionProprietary260K33.5 $0.04 $0.15 496—
133 Amazon Nova 2.0 Pro PreviewAmazonProprietary—33.4 — — ——
134 Google Gemini 1.5 Flash (May 2024)GoogleProprietary—33.2 — — ——
135 IBM Granite 3.1 2b InstructIBMOpen—33.2 — — ——
136 Google Gemma 2 2b ITGoogleOpen—33.1 — — ——
137 Microsoft Wizardlm 70bMicrosoftOpen—33.0 — — ——
138 Microsoft Phi 3 Medium 4k InstructMicrosoftOpen—33.0 — — ——
139 Allen Institute for AI (Ai2) Tulu 3 (Tülu 3) 70BAllen Institute for AI (Ai2)Open—33.0 — — ——
140 Allen Institute for AI (Ai2) Olmo 2 0325 32b InstructAllen Institute for AI (Ai2)Open—32.7 — — ——
141 OpenAI gpt-oss-20bOpenAIOpen131K32.5 $0.018 $0.09 90396
142 Poolside Laguna M.1PoolsideOpen262K32.5 — — ——
143 IBM Granite 3.1 8b InstructIBMOpen—32.4 — — ——
144 Google Gemini 1.5 Pro (May 2024)GoogleProprietary—32.1 — — ——
145 Google Gemma 3 12BGoogleOpen131K32.1 $0.05 $0.15 428—
146 Amazon Amazon Nova LiteAmazonProprietary300K31.9 $0.06 $0.24 304—
147 NVIDIA Llama2 70b Steerlm ChatNVIDIAOpen—31.8 — — ——
148 IBM Granite 3.0 8b InstructIBMOpen—31.6 — — ——
149 OpenAI o1-proOpenAIProprietary200K31.5 $150 $600 0.12—
150 Microsoft Wizardlm 13bMicrosoftOpen—31.4 — — ——
151 Microsoft Phi 3 Mini 4k Instruct June 2024MicrosoftOpen—31.3 — — ——
152 Google Gemma 1.1 7b ITGoogleOpen—31.3 — — ——
153 Microsoft Phi-4MicrosoftOpen128K31.2 $0.07 $0.14 357—
154 Amazon Amazon Nova ProAmazonProprietary300K31.0 $0.80 $3.20 22.1—
155 Meta Llama 4 MaverickMetaOpen128K30.9 $0.19 $0.65 102456
156 Microsoft Phi-4 MiniMicrosoftOpen128K30.9 $0.075 $0.30 235—
157 Google Gemma 3 27BGoogleOpen131K30.8 $0.08 $0.16 30862
158 IBM Granite 3.0 2b InstructIBMOpen—30.8 — — ——
159 Meta Codellama 34b InstructMetaOpen—30.8 — — ——
160 Meta Llama 3.1-405BMetaOpen—30.7 — — —78
161 Meta Llama-3.3-70B-InstructMetaOpen128K30.6 $0.10 $0.32 197—
162 OpenAI GPT-4 TurboOpenAIProprietary128K30.5 $10 $30 2.03—
163 Amazon Amazon Nova MicroAmazonProprietary128K30.4 $0.035 $0.14 496—
164 Allen Institute for AI (Ai2) Olmo 7b InstructAllen Institute for AI (Ai2)Open—30.3 — — ——
165 Google Palm 2GoogleProprietary—30.0 — — ——
166 Google Gemma 7BGoogleOpen—30.0 — — ——
167 Google Gemini 1.5 Flash 8BGoogleProprietary—29.9 — — ——
168 Allen Institute for AI (Ai2) OLMo 2 Furious 13BAllen Institute for AI (Ai2)Open—29.7 — — ——
169 Microsoft Phi 3 Mini 128k InstructMicrosoftOpen—29.7 — — ——
170 Microsoft phi-3-medium 14BMicrosoftOpen—29.7 — — ——
171 Google Gemma 2BGoogleOpen—29.6 — — ——
172 Meta Llama 3.1-70BMetaOpen128K29.6 $0.40 $0.40 74.1—
173 Meta Llama 2-13BMetaOpen—29.6 — — ——
174 Anthropic Claude 3 OpusAnthropicProprietary—29.5 — — ——
175 Databricks DBRXDatabricksOpen—29.4 — — ——
176 Google Gemma 2 27BGoogleOpen8K29.4 $0.65 $0.65 45.2—
177 Google Gemma 1.1 2b ITGoogleOpen—29.3 — — ——
178 Microsoft Phi 3 Small 8k InstructMicrosoftOpen—29.3 — — ——
179 Anthropic Claude 3.5 HaikuAnthropicProprietary—29.2 — — ——
180 OpenAI GPT-4OpenAIProprietary8K29.1 $30 $60 0.78—
181 Meta Llama 2-7BMetaOpen—29.1 — — ——
182 IBM Granite 4.0 MicroIBMOpen131K29.0 $0.017 $0.11 713—
183 Anthropic Claude 3 SonnetAnthropicProprietary—29.0 — — ——
184 Meta Llama 3.2 3BMetaOpen131K28.9 $0.05 $0.33 241—
185 Meta Llama 3-70BMetaOpen—28.8 — — —104
186 OpenAI GPT-4oOpenAIProprietary128K28.6 $2.50 $10 6.53—
187 Google Gemma 3 4BGoogleOpen131K28.1 $0.04 $0.08 56372
188 OpenAI GPT-4.1 nanoOpenAIProprietary1.05M27.9 $0.10 $0.40 159135
189 Microsoft Phi 3 Mini 4k InstructMicrosoftOpen—27.9 — — ——
190 Meta Llama 4 ScoutMetaOpen128K27.7 $0.10 $0.30 184272
191 Meta Llama 3.2 90BMetaOpen—27.5 — — ——
192 Google Gemini 1.0 ProGoogleProprietary—27.3 — — ——
193 Anthropic Claude 3 HaikuAnthropicProprietary—25.9 — — —41
194 Google Gemma 2 9BGoogleOpen—25.9 — — ——
195 Databricks Dolly 2.0-12bDatabricksOpen—25.5 — — ——
196 OpenAI GPT-4o miniOpenAIProprietary128K25.5 $0.15 $0.60 97.2120
197 Meta Llama 3-8BMetaOpen—25.5 — — ——
198 Anthropic Claude 2.1AnthropicProprietary—25.2 — — ——
199 Anthropic Claude 2AnthropicProprietary—25.0 — — ——
200 Meta Llama 13bMetaOpen—24.4 — — ——
201 Meta Llama 2-70BMetaOpen—24.4 — — ——
202 OpenAI GPT-3.5-turboOpenAIProprietary16K23.2 $0.50 $1.50 31—
203 Meta Llama 3.1-8BMetaOpen128K23.0 $0.05 $0.08 400—
204 Google Gemma 3 1BGoogleOpen—21.1 — — ——
205 Meta Llama 3.2 1BMetaOpen60K20.1 $0.027 $0.20 286—

Sponsored placements are available on pages like this one. Advertise on Noometry

Compare the leaders

Related rankings

Frequently asked questions

What is the best US-made AI model?

As of October 2026, GPT-6 Astra leads the Noometry Index with a score of 70.8, ahead of Claude Fable 5.1 at 69.0.

What are the top 5 in this ranking?

GPT-6 Astra, Claude Fable 5.1, Claude Opus 5.5, Claude Opus 5, Claude Fable 5, in that order, as of October 2026.

How is this list ranked?

By the Noometry Index, which is fitted from every public benchmark result and adjusted for how hard each benchmark is. Models need several independent results to be ranked.