Modeldex

OpenAI · Text line

GPT

12 stages over 52 months, from openai-gpt in Mar 2022 to GPT-5.6 in Jul 2026.

Evolution chamber01 / 12
OpenAI

openai-gpt

SIZE120M
Text
TextDownloads100K/mo
TextLikes320

Language model from OpenAI, 120M parameters.

Open weightsMIT099/1044
Ready to evolve

Every generation. A new possibility.

openai-gpt · Mar 2022
View model : openai-gpt

12 stages, from openai-gpt (Mar 2022) to GPT-5.6 (Jul 2026). Press Evolve to watch each step.

How it grew

Context window

  1. —v1
  2. —v2
  3. 16Kv3.5
  4. 8Kv4
  5. 128Kv4o
  6. 1.05Mv4.1
  7. 400Kv5
  8. 400Kv5.1
  9. 400Kv5.2
  10. 1.05Mv5.4
  11. 1.05Mv5.5
  12. 1.05Mv5.6

Max output

  1. —v1
  2. —v2
  3. 4Kv3.5
  4. 8Kv4
  5. 16Kv4o
  6. 33Kv4.1
  7. 128Kv5
  8. 128Kv5.1
  9. 128Kv5.2
  10. 128Kv5.4
  11. 128Kv5.5
  12. 128Kv5.6

Output priceper 1M tokens, lower is better

  1. —v1
  2. —v2
  3. $1.50v3.5
  4. $60.00v4
  5. $10.00v4o
  6. $8.00v4.1
  7. $10.00v5
  8. $10.00v5.1
  9. $14.00v5.2
  10. $15.00v5.4
  11. $30.00v5.5
  12. $20.00v5.6

Parameters

  1. 120Mv1
  2. 137Mv2
  3. —v3.5
  4. —v4
  5. —v4o
  6. —v4.1
  7. —v5
  8. —v5.1
  9. —v5.2
  10. —v5.4
  11. —v5.5
  12. —v5.6

Downloadslast 30 days

  1. 100Kv1
  2. 17Mv2
  3. —v3.5
  4. —v4
  5. —v4o
  6. —v4.1
  7. —v5
  8. —v5.1
  9. —v5.2
  10. —v5.4
  11. —v5.5
  12. —v5.6

Every stage

  1. v1 Stage 1

    OpenAI

    openai-gpt

    SIZE120M
    Text
    TextDownloads100K/mo
    TextLikes320

    Language model from OpenAI, 120M parameters.

    Open weightsMIT099/1044

  2. v2 Stage 2

    OpenAI

    gpt2

    SIZE137M
    Text
    TextDownloads17M/mo
    TextLikes4.3K

    Language model from OpenAI, 137M parameters.

    Open weightsMIT058/1044

  3. v3.5 Stage 3

    OpenAI

    GPT-3.5-turbo

    CTX16K
    Retired
    26Quality
    Text
    TextInput$0.50/M
    TextOutput$1.50/M

    Compact GPT model for low-latency assistance and high-volume workloads

    PaidProprietary201/1044

  4. v4 Stage 4

    OpenAI

    GPT-4

    CTX8K
    Retired
    34Quality
    Tools
    TextInput$30/M
    TextOutput$60/M

    GPT model for general reasoning, writing, coding, and tool-assisted tasks

    PaidProprietary252/1044
    +1 more in v4

  5. v4o Stage 5

    OpenAI

    GPT-4o

    CTX128K
    Vision · Tools
    TextImagePDFInput$2.50/M
    TextOutput$10/M

    Omni-era GPT for multimodal chat, practical coding, and general assistants

    PaidProprietary316/1044
    +3 more in v4o

  6. v4.1 Stage 6

    OpenAI

    GPT-4.1

    CTX1.05M
    51Quality
    Vision · Tools
    TextImagePDFInput$2/M
    TextOutput$8/M

    Long-lived GPT workhorse for coding, instruction following, and production apps

    PaidProprietary541/1044

  7. v5 Stage 7

    OpenAI

    GPT-5

    CTX400K
    80Quality
    Reasoning · Vision · Tools
    TextImageInput$1.25/M
    TextOutput$10/M

    Original GPT-5 workhorse for reasoning, coding, writing, and tool workflows

    PaidProprietary633/1044

  8. v5.1 Stage 8

    OpenAI

    GPT-5.1

    CTX400K
    79Quality
    Reasoning · Vision · Tools
    TextImageInput$1.25/M
    TextOutput$10/M

    Sharper GPT-5 generation for coding, product work, and tool-assisted tasks

    PaidProprietary700/1044

  9. v5.2 Stage 9

    OpenAI

    GPT-5.2

    CTX400K
    84Quality
    Reasoning · Vision · Tools
    TextImageInput$1.75/M
    TextOutput$14/M

    Reliable GPT generation for broad coding, writing, and tool-assisted product work

    PaidProprietary724/1044

  10. v5.4 Stage 10

    OpenAI

    GPT-5.4

    CTX1.05M
    92Quality
    Reasoning · Vision · Tools
    TextImagePDFInput$2.50/M
    TextOutput$15/M

    Agent-ready GPT for coding and computer-use workflows at a lower cost

    PaidProprietary819/1044

  11. v5.5 Stage 11

    OpenAI

    GPT-5.5

    CTX1.05M
    95Quality
    Reasoning · Vision · Tools
    TextImagePDFInput$5/M
    TextOutput$30/M

    Default frontier GPT for coding, computer use, research, and knowledge work

    PaidProprietary891/1044

  12. v5.6 Stage 12

    OpenAI

    GPT-5.6

    CTX1.05M
    Reasoning · Vision · Tools
    TextImagePDFInput$4/M
    TextOutput$20/M

    Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows

    PaidProprietary944/1044

More OpenAI lines

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