Modeldex

OpenAI · Text line

GPT Mini

4 stages over 20 months, from GPT-4o mini in Jul 2024 to GPT-5.4 mini in Mar 2026.

Evolution chamber01 / 04
OpenAI

GPT-4o mini

CTX128K
35Quality
Vision · Tools
TextImagePDFInput$0.15/M
TextOutput$0.60/M

Small omni GPT for cheap multimodal assistance and production-scale traffic

PaidProprietary354/1044
Ready to evolve

Every generation. A new possibility.

GPT-4o mini · Jul 2024
View model : GPT-4o mini

4 stages, from GPT-4o mini (Jul 2024) to GPT-5.4 mini (Mar 2026). Press Evolve to watch each step.

How it grew

Context window

  1. 128Kv4o
  2. 1.05Mv4.1
  3. 400Kv5
  4. 400Kv5.4

Max output

  1. 16Kv4o
  2. 33Kv4.1
  3. 128Kv5
  4. 128Kv5.4

Output priceper 1M tokens, lower is better

  1. $0.60v4o
  2. $1.60v4.1
  3. $2.00v5
  4. $4.50v5.4

Every stage

  1. v4o Stage 1

    OpenAI

    GPT-4o mini

    CTX128K
    35Quality
    Vision · Tools
    TextImagePDFInput$0.15/M
    TextOutput$0.60/M

    Small omni GPT for cheap multimodal assistance and production-scale traffic

    PaidProprietary354/1044

  2. v4.1 Stage 2

    OpenAI

    GPT-4.1 mini

    CTX1.05M
    48Quality
    Vision · Tools
    TextImagePDFInput$0.40/M
    TextOutput$1.60/M

    Affordable GPT-4.1 lane for fast coding help and structured extraction

    PaidProprietary542/1044

  3. v5 Stage 3

    OpenAI

    GPT-5 Mini

    CTX400K
    69Quality
    Reasoning · Vision · Tools
    TextImageInput$0.25/M
    TextOutput$2/M

    Small GPT-5 for responsive agents, coding help, and everyday automation

    PaidProprietary634/1044

  4. v5.4 Stage 4

    OpenAI

    GPT-5.4 mini

    CTX400K
    77Quality
    Reasoning · Vision · Tools
    TextImageInput$0.75/M
    TextOutput$4.50/M

    Strong small GPT for coding subagents, quick tool use, and high-volume work

    PaidProprietary832/1044

More OpenAI lines

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