Provider ranking

Best OpenAI Models in October 2026

As of October 2026, GPT-6 Astra leads the Noometry Index with a score of 70.8, ahead of GPT-6.1 Sol at 65.6.

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Every ranked OpenAI model, from the current flagship down.

Best OpenAI Models: top 10
  1. GPT-6 Astra 70.8
  2. GPT-6.1 Sol 65.6
  3. GPT-5.6 Sol 65.0
  4. GPT-5.5 Pro 64.3
  5. GPT-5.5 63.4
  6. GPT-6 Sol 61.8
  7. GPT-5.4 59.4
  8. GPT-5.6 Terra 59.2
  9. GPT-5.4 Pro 58.9
  10. GPT-5.6 Luna 54.6

Full ranking

Best OpenAI Models
1 OpenAI GPT-6 AstraOpenAIProprietary1.05M70.8 $10 $50 3.54—
2 OpenAI GPT-6.1 SolOpenAIProprietary1.05M65.6 $2 $10 16.4—
3 OpenAI GPT-5.6 SolOpenAIProprietary1.05M65.0 $4 $20 8.1210
4 OpenAI GPT-5.5 ProOpenAIProprietary1.05M64.3 $30 $180 0.95—
5 OpenAI GPT-5.5OpenAIProprietary1.05M63.4 $5 $30 5.6325
6 OpenAI GPT-6 SolOpenAIProprietary1.05M61.8 $2 $10 15.4—
7 OpenAI GPT-5.4OpenAIProprietary1.05M59.4 $2.50 $15 10.612
8 OpenAI GPT-5.6 TerraOpenAIProprietary1.05M59.2 $2 $12 13.111
9 OpenAI GPT-5.4 ProOpenAIProprietary1.05M58.9 $30 $180 0.87—
10 OpenAI GPT-5.6 LunaOpenAIProprietary1.05M54.6 $0.20 $1.20 12112
11 OpenAI GPT-5.2OpenAIProprietary400K54.1 $1.75 $14 11.215
12 OpenAI GPT-6 LunaOpenAIProprietary1.05M53.3 $0.10 $0.50 266—
13 OpenAI GPT-5.2 ProOpenAIProprietary400K52.3 $21 $168 0.91—
14 OpenAI GPT-5OpenAIProprietary400K50.9 $1.25 $10 14.82
15 OpenAI GPT-5.1OpenAIProprietary400K49.0 $1.25 $10 14.3—
16 OpenAI o3OpenAIProprietary200K47.5 $2 $8 13.63
17 OpenAI GPT-5 ProOpenAIProprietary400K46.4 $15 $120 1.125
18 OpenAI GPT-5.3 CodexOpenAIProprietary400K45.8 $1.75 $14 9.52—
19 OpenAI GPT-5.4 miniOpenAIProprietary400K45.0 $0.75 $4.50 26.610
20 OpenAI Chatgpt 4o Latest 20250326OpenAIProprietary—43.8 — — —21
21 OpenAI o3-proOpenAIProprietary200K42.9 $20 $80 1.231
22 OpenAI GPT-5.3 ChatOpenAIProprietary128K42.8 $1.75 $14 8.88—
23 OpenAI GPT-5.5 InstantOpenAIProprietary—42.7 — — ——
24 OpenAI GPT-5.2 CodexOpenAIProprietary400K42.6 $1.75 $14 8.84—
25 OpenAI GPT-5.4 nanoOpenAIProprietary400K41.9 $0.20 $1.25 90.619
26 OpenAI GPT-5 MiniOpenAIProprietary400K41.8 $0.25 $2 60.93
27 OpenAI o4-miniOpenAIProprietary200K41.6 $1.10 $4.40 21.66
28 OpenAI o1OpenAIProprietary200K40.9 $15 $60 1.56—
29 OpenAI GPT-5.1-CodexOpenAIProprietary400K38.6 $1.25 $10 11.2—
30 OpenAI GPT-5-CodexOpenAIProprietary400K37.9 $1.25 $10 1195
31 OpenAI GPT-4.5OpenAIProprietary—37.2 — — ——
32 OpenAI o3-miniOpenAIProprietary200K36.7 $1.10 $4.40 19.1—
33 OpenAI gpt-oss-120bOpenAIOpen131K36.3 $0.037 $0.17 51755
34 OpenAI GPT-4.1OpenAIProprietary1.05M35.9 $2 $8 10.3116
35 OpenAI o1-miniOpenAIProprietary—34.0 — — ——
36 OpenAI GPT-4.1 miniOpenAIProprietary1.05M33.6 $0.40 $1.60 48.186
37 OpenAI GPT-5 NanoOpenAIProprietary400K33.5 $0.05 $0.40 2444
38 OpenAI gpt-oss-20bOpenAIOpen131K32.5 $0.018 $0.09 90396
39 OpenAI o1-proOpenAIProprietary200K31.5 $150 $600 0.12—
40 OpenAI GPT-4 TurboOpenAIProprietary128K30.5 $10 $30 2.03—
41 OpenAI GPT-4OpenAIProprietary8K29.1 $30 $60 0.78—
42 OpenAI GPT-4oOpenAIProprietary128K28.6 $2.50 $10 6.53—
43 OpenAI GPT-4.1 nanoOpenAIProprietary1.05M27.9 $0.10 $0.40 159135
44 OpenAI GPT-4o miniOpenAIProprietary128K25.5 $0.15 $0.60 97.2120
45 OpenAI GPT-3.5-turboOpenAIProprietary16K23.2 $0.50 $1.50 31—

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Frequently asked questions

Which OpenAI model is best?

As of October 2026, GPT-6 Astra leads the Noometry Index with a score of 70.8, ahead of GPT-6.1 Sol at 65.6.

What are the top 5 in this ranking?

GPT-6 Astra, GPT-6.1 Sol, GPT-5.6 Sol, GPT-5.5 Pro, GPT-5.5, 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.