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OpenAI

Creator of GPT, o-series reasoning models, and ChatGPT.

O
OpenAI

OpenAI is the leading AI research lab behind GPT, o-series reasoning models, and ChatGPT. Their API platform powers millions of applications worldwide with industry-leading multimodal capabilities.

Models

11

in catalog

Avg Input Price

$3.431818

per 1M tokens

Avg Output Price

$13.727273

per 1M tokens

Price Range

$0.10 – $15.00

input / 1M

Largest Context1M
Cheapest ModelGPT-4.1 Nano
Best CodingGPT-5
Best ReasoningOpenAI o3

OpenAI Pricing History

Average input and output pricing across model portfolio

Jan 23Oct 23Jan 24Jul 24Jan 25Jul 26
Input Output

OpenAI Release Timeline

Recent releases and capability milestones

Functions support added

capability

GPT-4.1 released

release

GPT-4.1 Mini released

release

GPT-4.1 Nano released

release

OpenAI o4 Mini released

release

OpenAI o3 released

release

GPT-5 cataloged

release

GPT-5 Mini cataloged

release

Model Catalog

11 models currently tracked

OpenAI models
ModelContextInputCodingTier
GPT-5400K$5.0095
standard
GPT-5 Mini400K$0.4089
fast
OpenAI o4 Mini200K$1.1092
reasoning
OpenAI o3200K$10.0095
reasoning
GPT-4.11M$2.0094
standard
GPT-4.1 Mini1M$0.4088
fast
GPT-4.1 Nano1M$0.1075
fast
OpenAI o3 Mini200K$1.1090
reasoning
OpenAI o1200K$15.0093
reasoning
GPT-4o Mini128K$0.1582
fast
GPT-4o128K$2.5090
fast

Related Timeline Events

Recent activity from the AI release timeline

View all →
  • GPT-5

    Model ReleaseGPT-5 launched by OpenAI. OpenAI flagship GPT-5 generation for general and agent

  • GPT-5

    API ReleaseAPI endpoint `gpt-5` available for GPT-5.

  • GPT-5

    Pricing UpdateInitial pricing set at $5.00/M input and $20.00/M output tokens.

  • GPT-5

    Vision SupportGPT-5 adds native vision and image understanding capabilities.

  • GPT-5

    Audio SupportGPT-5 supports audio input and multimodal voice workflows.

  • GPT-5

    Function CallingGPT-5 supports function calling and structured tool use.

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Frequently Asked Questions

What models does OpenAI offer?
OpenAI offers GPT-4o, GPT-4.1, o-series reasoning models, and cost-efficient mini/nano tiers for different workload requirements.
How is OpenAI pricing structured?
Pricing is per-million tokens with separate input and output rates. Reasoning models (o-series) carry premium pricing for extended thinking.