Noometry

Provider, United States

OpenAI models

OpenAI's highest-ranked model is GPT-6 Astra, #1 on the Noometry Index as of October 2026. Noometry tracks 56 OpenAI models, 2 with open weights.

Last verified

openai.comAPI pricing

1 GPT-6 AstraOpenAIProprietary1.05M70.8 $10 $50 3.54—
6 GPT-6.1 SolOpenAIProprietary1.05M65.6 $2 $10 16.4—
7 GPT-5.6 SolOpenAIProprietary1.05M65.0 $4 $20 8.1210
8 GPT-5.5 ProOpenAIProprietary1.05M64.3 $30 $180 0.95—
9 GPT-5.5OpenAIProprietary1.05M63.4 $5 $30 5.6325
12 GPT-6 SolOpenAIProprietary1.05M61.8 $2 $10 15.4—
16 GPT-5.4OpenAIProprietary1.05M59.4 $2.50 $15 10.612
17 GPT-5.6 TerraOpenAIProprietary1.05M59.2 $2 $12 13.111
18 GPT-5.4 ProOpenAIProprietary1.05M58.9 $30 $180 0.87—
30 GPT-5.6 LunaOpenAIProprietary1.05M54.6 $0.20 $1.20 12112
34 GPT-5.2OpenAIProprietary400K54.1 $1.75 $14 11.215
36 GPT-6 LunaOpenAIProprietary1.05M53.3 $0.10 $0.50 266—
39 GPT-5.2 ProOpenAIProprietary400K52.3 $21 $168 0.91—
45 GPT-5OpenAIProprietary400K50.9 $1.25 $10 14.82
53 GPT-5.1OpenAIProprietary400K49.0 $1.25 $10 14.3—
61 o3OpenAIProprietary200K47.5 $2 $8 13.63
64 GPT-5 ProOpenAIProprietary400K46.4 $15 $120 1.125
69 GPT-5.3 CodexOpenAIProprietary400K45.8 $1.75 $14 9.52—
76 GPT-5.4 miniOpenAIProprietary400K45.0 $0.75 $4.50 26.610
82 Chatgpt 4o Latest 20250326OpenAIProprietary—43.8 — — —21
105 o3-proOpenAIProprietary200K42.9 $20 $80 1.231
109 GPT-5.3 ChatOpenAIProprietary128K42.8 $1.75 $14 8.88—
110 GPT-5.5 InstantOpenAIProprietary—42.7 — — ——
111 GPT-5.2 CodexOpenAIProprietary400K42.6 $1.75 $14 8.84—
125 GPT-5.4 nanoOpenAIProprietary400K41.9 $0.20 $1.25 90.619
128 GPT-5 MiniOpenAIProprietary400K41.8 $0.25 $2 60.93
132 o4-miniOpenAIProprietary200K41.6 $1.10 $4.40 21.66
143 o1OpenAIProprietary200K40.9 $15 $60 1.56—
186 GPT-5.1-CodexOpenAIProprietary400K38.6 $1.25 $10 11.2—
192 GPT-5-CodexOpenAIProprietary400K37.9 $1.25 $10 1195
208 GPT-4.5OpenAIProprietary—37.2 — — ——
212 o3-miniOpenAIProprietary200K36.7 $1.10 $4.40 19.1—
217 gpt-oss-120bOpenAIOpen131K36.3 $0.037 $0.17 51755
219 GPT-4.1OpenAIProprietary1.05M35.9 $2 $8 10.3116
235 o1-miniOpenAIProprietary—34.0 — — ——
240 GPT-4.1 miniOpenAIProprietary1.05M33.6 $0.40 $1.60 48.186
241 GPT-5 NanoOpenAIProprietary400K33.5 $0.05 $0.40 2444
255 gpt-oss-20bOpenAIOpen131K32.5 $0.018 $0.09 90396
271 o1-proOpenAIProprietary200K31.5 $150 $600 0.12—
292 GPT-4 TurboOpenAIProprietary128K30.5 $10 $30 2.03—
316 GPT-4OpenAIProprietary8K29.1 $30 $60 0.78—
324 GPT-4oOpenAIProprietary128K28.6 $2.50 $10 6.53—
327 GPT-4.1 nanoOpenAIProprietary1.05M27.9 $0.10 $0.40 159135
343 GPT-4o miniOpenAIProprietary128K25.5 $0.15 $0.60 97.2120
350 GPT-3.5-turboOpenAIProprietary16K23.2 $0.50 $1.50 31—
GPT-4VOpenAIProprietary—Not ranked— — ——
GPT-5.1-Codex-miniOpenAIProprietary400KNot ranked$0.25 $2 ——
GPT-5.3 Codex SparkOpenAIProprietary128KNot ranked$1.75 $14 ——
GPT-5.6OpenAIProprietary1.05MNot ranked$4 $20 ——
GPT-5.6 Luna ProOpenAIProprietary1.05MNot ranked$0.20 $1.20 ——
GPT-5.6 Sol ProOpenAIProprietary1.05MNot ranked$2 $10 ——
GPT-5.6 Terra ProOpenAIProprietary1.05MNot ranked$2 $12 ——
GPT-6.1 Sol ProOpenAIProprietary1.05MNot ranked$2 $10 ——
GPT-6 Astra ProOpenAIProprietary1.05MNot ranked$10 $50 ——
GPT-6 Luna ProOpenAIProprietary1.05MNot ranked$0.10 $0.50 ——
GPT-6 Sol ProOpenAIProprietary1.05MNot ranked$2 $10 ——

OpenAI's best vs other flagships

Frequently asked questions

What is the best OpenAI model?

OpenAI's highest-ranked model is GPT-6 Astra, #1 on the Noometry Index as of October 2026. Noometry tracks 56 OpenAI models, 2 with open weights.

What is the cheapest OpenAI model?

gpt-oss-20b has the lowest input price among OpenAI models we track: $0.018 per million input tokens and $0.09 per million output tokens.