Pricing
Not listed
Official monthly price not confirmed
- API
- HTTPS REST and SDK endpoints documented under developers.openai.com, including chat, agents, tools, and audio APIs.
Finding the possibilities
OpenAI API
● Identity checkedAssistant · Vendor site 2026-10-04
The OpenAI API gives developers programmatic access to OpenAI models for chat, agents, tools, audio, images, and production deployments. Official documentation covers quickstarts, model catalogs, hosted agents, realtime voice, and token-based pricing for flagship and legacy models.
- Category
- Assistant
- Free access
- Not confirmed
- API access
- HTTPS REST and SDK endpoints documented under developers.openai.com, including chat, agents, tools, and audio APIs.
Is OpenAI API right for you?
A good fit for
Product teams and developers building applications that call OpenAI models in production with official SDKs and docs.
Before you choose
Commercial use is metered per token and model rather than flat monthly seat plans on the public pricing tables.
Production model platform
Developers.openai.com organizes the API around models, agents, tools, audio, and production deployment with searchable reference material and cookbook examples.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Model access | Pricing documentation lists flagship GPT, o-series, and legacy models with per-1M-token input and output rates. | Facts sourced | 2026-10-04 |
| Agents | Docs describe building persistent agents on hosted infrastructure with tools and production deployment guides. | Facts sourced | 2026-10-04 |
| Audio | Audio and voice guides cover speech-to-text, transcription models, and realtime voice experiences. | Facts sourced | 2026-10-04 |
Understand the total cost
OpenAI API pricing & plans
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DefinioDefinio is a Chrome extension that bundles access to premium AI models such as o1 reasoning, Claude, and GPT-4o in one sidepanel and text-selection chat. It targets users who want multi-model browsing assistance without maintaining separate ChatGPT Plus and Claude Pro subscriptions.
Explore toolThe practical questions
Frequently asked questions
What is OpenAI API used for?
The OpenAI API gives developers programmatic access to OpenAI models for chat, agents, tools, audio, images, and production deployments. Official documentation covers quickstarts, model catalogs, hosted agents, realtime voice, and token-based pricing for flagship and legacy models.
Does OpenAI API have a free plan?
Not confirmed. This record does not confirm an ongoing free plan.
How much does OpenAI API cost?
A listed monthly price has not been confirmed. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use OpenAI API through an API?
HTTPS REST and SDK endpoints documented under developers.openai.com, including chat, agents, tools, and audio APIs.. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Commercial use is metered per token and model rather than flat monthly seat plans on the public pricing tables.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.