Modeldex

OpenAI · Text line

o

2 stages over 4 months, from o1 in Dec 2024 to o3 in Apr 2025.

Evolution chamber01 / 02
OpenAI

o1

CTX200K
Retired
61Quality
Reasoning · Vision · Tools
TextImagePDFInput$15/M
TextOutput$60/M

O-series reasoning model for hard analysis, math, coding, and planning

PaidProprietary449/1044
Ready to evolve

Every generation. A new possibility.

o1 · Dec 2024
View model : o1

2 stages, from o1 (Dec 2024) to o3 (Apr 2025). Press Evolve to watch each step.

How it grew

Context window

  1. 200Kv1
  2. 200Kv3

Max output

  1. 100Kv1
  2. 100Kv3

Output priceper 1M tokens, lower is better

  1. $60.00v1
  2. $8.00v3

Every stage

  1. v1 Stage 1

    OpenAI

    o1

    CTX200K
    Retired
    61Quality
    Reasoning · Vision · Tools
    TextImagePDFInput$15/M
    TextOutput$60/M

    O-series reasoning model for hard analysis, math, coding, and planning

    PaidProprietary449/1044

  2. v3 Stage 2

    OpenAI

    o3

    CTX200K
    74Quality
    Reasoning · Vision · Tools
    TextImagePDFInput$2/M
    TextOutput$8/M

    Deliberate o-series reasoner for hard math, coding, and multi-step analysis

    PaidProprietary546/1044

More OpenAI lines

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