OpenAI

The lab behind GPT and ChatGPT, which brought large language models to hundreds of millions of people.

Models
44
Founded
2015
Based in
San Francisco
Website
openai.com

OpenAI models

#ModelLab
1GPT-5.5OpenAI1472+6—$5 / $301.1M2026-04-24
2GPT-5.4OpenAI1469+17—$2.50 / $151.1M2026-03-05
3GPT-5.6 SolOpenAI1457——$4 / $201.1M2026-07-09
4GPT-5.6 TerraOpenAI1448——$2 / $121.1M2026-07-09
5GPT-6.1 SolOpenAI1444—63.9%$2 / $101.1M2026-09-29
6GPT-5.1OpenAI1443+20—$1.25 / $10400K2025-11-13
7GPT-6 AstraOpenAI1442—65.0%$10 / $501.1M2026-09-04
8GPT-5.2 ChatOpenAI1439−0—$1.75 / $14125K2025-12-10
9GPT-5.6 LunaOpenAI1431——$0.20 / $1.201.1M2026-07-09
10ChatGPT-4o LatestOpenAI1428−0———2024-08-22
11GPT-5.5 InstantOpenAI1419−1———2026-05-06
12GPT-4.5 PreviewOpenAI14170———2025-03-03
13GPT-5.2OpenAI1416+4—$1.75 / $14400K2025-12-10
14GPT-5.4 miniOpenAI1412——$0.75 / $4.50400K2026-03-17
15o3OpenAI14100—$2 / $8200K2025-04-16
16GPT-5OpenAI1406——$1.25 / $10400K2025-08-07
17GPT-5 ChatOpenAI1403−1———2025-08-14
18GPT-6 SolOpenAI1398——$2 / $101.1M2026-09-22
19GPT-6 LunaOpenAI1390—52.3%$0.10 / $0.501.1M2026-09-22
20GPT-5.3 ChatOpenAI1389+1———2026-03-04
21GPT-4.1OpenAI1383+0—$2 / $81M2025-04-14
22GPT-5 miniOpenAI1373——$0.25 / $2400K2025-08-07
23GPT-5.4 nanoOpenAI1372——$0.20 / $1.25400K2026-03-17
24o1OpenAI1366+0—$15 / $60200K2024-12-17
25gpt-oss-120bOpenAI1366−0—$0.15 / $0.60128K2025-08-05
26o4-miniOpenAI13530—$1.10 / $4.40200K2025-04-16
27GPT-4.1 miniOpenAI1341+0—$0.40 / $1.601M2025-04-14
28o3-miniOpenAI1337+18—$1.10 / $4.40200K2025-01-31
29GPT-5 nanoOpenAI1320——$0.05 / $0.40400K2025-08-07
30o1-miniOpenAI13170———2024-09-17
31GPT-4oOpenAI1300+0—$2.50 / $10125K2024-11-20
32gpt-oss-20bOpenAI1288+0—$0.018 / $0.09128K2025-08-05
33GPT-4o miniOpenAI1286+0—$0.15 / $0.60125K2024-07-18
34GPT-4.1 nanoOpenAI1285+0—$0.10 / $0.401M2025-04-14
35GPT-4 TurboOpenAI1272+0—$10 / $30125K2024-04-09
36GPT-4OpenAI1206+0—$30 / $608K2023-05-28
37GPT-3.5 TurboOpenAI1125+0—$1 / $24K2024-01-25
38GPT4All 13B SnoozyOpenAI9560———2023-06-19
39GPT 5 CodexOpenAI——————
40GPT 5.1 Codex MaxOpenAI———$1.25 / $10400K2025-12-04
41GPT-5.1-CodexOpenAI———$1.25 / $10400K2025-11-13
42GPT-5.1-Codex-MiniOpenAI———$0.25 / $2400K2025-11-13
43GPT-5.2-CodexOpenAI———$1.75 / $14400K2026-01-14
44GPT-5.3-CodexOpenAI———$1.75 / $14400K2026-02-24

Sources

Every number on this page comes from these sources; models without a published number show none. Download the data. Cite as “Nexus Explorer, nexus.inc/models”.