Company · Directory listing
OpenAI
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. OpenAI publishes ChatGPT Work, omni-moderation, and OpenAI Fine-tuning API as named AI products. OpenAI is used for General-purpose assistants and Deep research work. OpenAI is recorded in San Francisco, United States.
OpenAI OpCo, LLC
San Francisco, United States · US · 17 listings
Customer review aggregate: No published reviews
Ranking status: Directory only — not ranked
Directory ranking uses customer-review stars only. The separately purchased assurance assessment records Bronze/Silver/Gold depth, Assurance Score and risk class; none affects directory position.
Company details
About OpenAI
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. OpenAI publishes ChatGPT Work, omni-moderation, and OpenAI Fine-tuning API as named AI products. OpenAI is used for General-purpose assistants and Deep research work. OpenAI is recorded in San Francisco, United States.
- Legal name
- OpenAI OpCo, LLC
- Headquarters
- San Francisco, United States
- Markets
- —
- Company size
- —
Directory & rankings
Customer ranking
Directory only. This listing has no customer stars or ranked position.
- General-purpose assistants · Directory only · Free listing · ranking code packs from £200 ex VAT
- Enterprise AI chatbots · Directory only · Free listing · ranking code packs from £200 ex VAT
- Computer-use agents · Directory only · Free listing · ranking code packs from £200 ex VAT
- Deep research · Directory only · Free listing · ranking code packs from £200 ex VAT
- Speech models · Directory only · Free listing · ranking code packs from £200 ex VAT
- Speech models · Directory only · Free listing · ranking code packs from £200 ex VAT
- LLMs · Directory only · Free listing · ranking code packs from £200 ex VAT
- SLMs · Directory only · Free listing · ranking code packs from £200 ex VAT
- Image generation · Directory only · Free listing · ranking code packs from £200 ex VAT
- Voice generation · Directory only · Free listing · ranking code packs from £200 ex VAT
- Content moderation · Directory only · Free listing · ranking code packs from £200 ex VAT
- AI agents · Directory only · Free listing · ranking code packs from £200 ex VAT
- Code generation · Directory only · Free listing · ranking code packs from £200 ex VAT
- Fine-tuning platforms · Directory only · Free listing · ranking code packs from £200 ex VAT
- AI SDKs · Directory only · Free listing · ranking code packs from £200 ex VAT
- AI video generation · Directory only · Free listing · ranking code packs from £200 ex VAT
- Embedding models · Directory only · Free listing · ranking code packs from £200 ex VAT
0 customer relationships verified at V3+ · Trustmark assessment results never affect this order.
Listings
Products and services from OpenAI
17 products are listed for this company. Functional classification, deployment and autonomy are descriptive attributes. Impact class remains a separate assurance result.
- Public JSON for website embeds
ChatGPT
From their website · not verified evidence
SOFTWARE PRODUCT · General-purpose assistants · General-purpose AI
- Sectors
- Not specified
- Deployment
- SaaS, Mobile / on-device
- Capabilities
- Generation, Summarisation, Tool use
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
ChatGPT is OpenAI's hosted conversational assistant for writing, coding, analysis, research and image generation, offered as web and mobile apps. OpenAI markets free access plus Plus, Pro, Team and Enterprise plans. It is aimed at individuals and organisations that want a hosted assistant rather than a self-hosted model.
Who they say it is for. Individuals and organisations using a hosted assistant
How they differentiate (vendor-claimed)
- Hosted web and mobile assistant, not a self-hosted model
- Free tier plus paid Plus, Pro, Team and Enterprise plans
- Marketed for writing, coding, research and image generation
Freemium (supplier-claimed)
Cited from chatgpt.com · read 2026-09-12, openai.com · read 2026-09-12. TrustMark has not independently verified these statements.
- Public JSON for website embeds
SOFTWARE PRODUCT · Enterprise AI chatbots · General-purpose AI
Secondary: Enterprise copilots
- Sectors
- Not specified
- Deployment
- Not specified
- Capabilities
- Not specified
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. ChatGPT Enterprise is OpenAI's software product, from OpenAI OpCo, LLC. Published at openai.com/enterprise. Directory filing: Enterprise AI chatbots. Vendor legal name on this product record: OpenAI OpCo, LLC. ChatGPT Enterprise is OpenAI's software product, from OpenAI OpCo, LLC. Published at openai.com/enterprise. Directory filing: Enterprise AI chatbots.
- Public JSON for website embeds
ChatGPT Work
From their website · not verified evidence
SOFTWARE PRODUCT · Computer-use agents · Agents & Automation
- Sectors
- Not specified
- Deployment
- Not specified
- Capabilities
- Not specified
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. ChatGPT Work is OpenAI's software product, from OpenAI OpCo, LLC. Published at openai.com/index/chatgpt-for-your-most-ambitious-work. Directory filing: Computer-use agents. ChatGPT Work is OpenAI's software product, from OpenAI OpCo, LLC. Published at openai.com/index/chatgpt-for-your-most-ambitious-work. Directory filing: Computer-use agents.
- Public JSON for website embeds
Deep Research
From their website · not verified evidence
SOFTWARE PRODUCT · Deep research · Search, Research & Knowledge
Secondary: Research assistants
- Sectors
- Not specified
- Deployment
- SaaS
- Capabilities
- Browser use, RAG, Summarisation
- Autonomy
- DELEGATED AGENT
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. Deep Research is OpenAI's software product, from OpenAI OpCo, LLC. Published at openai.com/index/introducing-deep-research. Directory filing: Deep research. Deployment options: SaaS. Recorded capabilities: Browser use, RAG, and Summarisation. Deep Research is OpenAI's software product, from OpenAI OpCo, LLC. Published at openai.com/index/introducing-deep-research. Directory filing: Deep research. Deployment options: SaaS. Recorded capabilities: Browser use, RAG, and Summarisation.
- Public JSON for website embeds
GPT-4o mini TTS
From their website · not verified evidence
MODEL API · Speech models · Models & Foundation AI
- Sectors
- Not specified
- Deployment
- Not specified
- Capabilities
- Not specified
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. GPT-4o mini TTS is OpenAI's model API, from OpenAI OpCo, LLC. Published at platform.openai.com/docs/models/gpt-4o-mini-tts. Directory filing: Speech models. GPT-4o mini TTS is OpenAI's model API, from OpenAI OpCo, LLC. Published at platform.openai.com/docs/models/gpt-4o-mini-tts. Directory filing: Speech models.
- Public JSON for website embeds
GPT-4o Transcribe
From their website · not verified evidence
MODEL API · Speech models · Models & Foundation AI
- Sectors
- Not specified
- Deployment
- Not specified
- Capabilities
- Not specified
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. GPT-4o Transcribe is OpenAI's model API, from OpenAI OpCo, LLC. Published at platform.openai.com/docs/models/gpt-4o-transcribe. Directory filing: Speech models. GPT-4o Transcribe is OpenAI's model API, from OpenAI OpCo, LLC. Published at platform.openai.com/docs/models/gpt-4o-transcribe. Directory filing: Speech models.
- Public JSON for website embeds
GPT-5
From their website · not verified evidence
MODEL API · LLMs · Models & Foundation AI
- Sectors
- Not specified
- Deployment
- Not specified
- Capabilities
- Not specified
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. GPT-5 is OpenAI's model API, from OpenAI OpCo, LLC. Published at platform.openai.com/docs/models/gpt-5. Directory filing: LLMs. Vendor legal name on this product record: OpenAI OpCo, LLC. GPT-5 is OpenAI's model API, from OpenAI OpCo, LLC. Published at platform.openai.com/docs/models/gpt-5. Directory filing: LLMs.
- Public JSON for website embeds
GPT-5 nano
From their website · not verified evidence
MODEL API · SLMs · Models & Foundation AI
- Sectors
- Not specified
- Deployment
- Not specified
- Capabilities
- Not specified
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. GPT-5 nano is OpenAI's model API, from OpenAI OpCo, LLC. Published at platform.openai.com/docs/models/gpt-5-nano. Directory filing: SLMs. Vendor legal name on this product record: OpenAI OpCo, LLC. GPT-5 nano is OpenAI's model API, from OpenAI OpCo, LLC. Published at platform.openai.com/docs/models/gpt-5-nano. Directory filing: SLMs.
- Public JSON for website embeds
GPT Image 1
From their website · not verified evidence
MODEL API · Image generation · Image & Design
- Sectors
- Not specified
- Deployment
- Not specified
- Capabilities
- Not specified
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. GPT Image 1 is OpenAI's model API, from OpenAI OpCo, LLC. Published at platform.openai.com/docs/models/gpt-image-1. Directory filing: Image generation. Vendor legal name on this product record: OpenAI OpCo, LLC. GPT Image 1 is OpenAI's model API, from OpenAI OpCo, LLC. Published at platform.openai.com/docs/models/gpt-image-1. Directory filing: Image generation.
- Public JSON for website embeds
GPT-Realtime-2
From their website · not verified evidence
MODEL API · Voice generation · Voice, Audio & Music
- Sectors
- Not specified
- Deployment
- Not specified
- Capabilities
- Not specified
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. GPT-Realtime-2 is OpenAI's model API, from OpenAI OpCo, LLC. Published at developers.openai.com/api/docs/models/gpt-realtime-2. Directory filing: Voice generation. GPT-Realtime-2 is OpenAI's model API, from OpenAI OpCo, LLC. Published at developers.openai.com/api/docs/models/gpt-realtime-2. Directory filing: Voice generation.
- Public JSON for website embeds
omni-moderation
From their website · not verified evidence
MODEL API · Content moderation · AI Safety & Security
- Sectors
- Not specified
- Deployment
- Not specified
- Capabilities
- Not specified
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. omni-moderation is OpenAI's model API, from OpenAI OpCo, LLC. Published at platform.openai.com/docs/models/omni-moderation-latest. Directory filing: Content moderation. omni-moderation is OpenAI's model API, from OpenAI OpCo, LLC. Published at platform.openai.com/docs/models/omni-moderation-latest. Directory filing: Content moderation.
- Public JSON for website embeds
PLATFORM INFRASTRUCTURE · AI agents · Agents & Automation
Secondary: Agent orchestration
- Sectors
- Not specified
- Deployment
- Self-hosted / open-source
- Capabilities
- Tool use, Memory
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. OpenAI Agents SDK is OpenAI's platform, from OpenAI OpCo, LLC. Published at openai.github.io/openai-agents-python. Directory filing: AI agents. Deployment options: Self-hosted / open-source. Recorded capabilities: Tool use and Memory. OpenAI Agents SDK is OpenAI's platform, from OpenAI OpCo, LLC. Published at openai.github.io/openai-agents-python. Directory filing: AI agents. Deployment options: Self-hosted / open-source. Recorded capabilities: Tool use and Memory.
- Public JSON for website embeds
OpenAI Codex
From their website · not verified evidence
SOFTWARE PRODUCT · Code generation · Developer & Engineering
- Sectors
- Not specified
- Deployment
- Not specified
- Capabilities
- Not specified
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. OpenAI Codex is OpenAI's software product, from OpenAI OpCo, LLC. Published at openai.com/codex. Directory filing: Code generation. Vendor legal name on this product record: OpenAI OpCo, LLC. OpenAI Codex is OpenAI's software product, from OpenAI OpCo, LLC. Published at openai.com/codex. Directory filing: Code generation.
- Public JSON for website embeds
OpenAI Fine-tuning API
From their website · not verified evidence
MODEL API · Fine-tuning platforms · AI Infrastructure
- Sectors
- Not specified
- Deployment
- Not specified
- Capabilities
- Not specified
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. OpenAI Fine-tuning API is OpenAI's model API, from OpenAI OpCo, LLC. Published at platform.openai.com/docs/guides/fine-tuning. Directory filing: Fine-tuning platforms. OpenAI Fine-tuning API is OpenAI's model API, from OpenAI OpCo, LLC. Published at platform.openai.com/docs/guides/fine-tuning. Directory filing: Fine-tuning platforms.
- Public JSON for website embeds
OpenAI SDK
From their website · not verified evidence
PLATFORM INFRASTRUCTURE · AI SDKs · Developer & Engineering
- Sectors
- Not specified
- Deployment
- Not specified
- Capabilities
- Not specified
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. OpenAI SDK is OpenAI's platform, from OpenAI OpCo, LLC. Published at github.com/openai/openai-python. Directory filing: AI SDKs. Vendor legal name on this product record: OpenAI OpCo, LLC. OpenAI SDK is OpenAI's platform, from OpenAI OpCo, LLC. Published at github.com/openai/openai-python. Directory filing: AI SDKs.
- Public JSON for website embeds
Sora
From their website · not verified evidence
SOFTWARE PRODUCT · AI video generation · Video, Avatars & Synthetic Media
- Sectors
- Not specified
- Deployment
- Not specified
- Capabilities
- Not specified
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. Sora is OpenAI's software product, from OpenAI OpCo, LLC. Published at openai.com/sora. Directory filing: AI video generation. Vendor legal name on this product record: OpenAI OpCo, LLC. Sora is OpenAI's software product, from OpenAI OpCo, LLC. Published at openai.com/sora. Directory filing: AI video generation.
- Public JSON for website embeds
text-embedding-3-large
From their website · not verified evidence
MODEL API · Embedding models · Models & Foundation AI
- Sectors
- Not specified
- Deployment
- Not specified
- Capabilities
- Not specified
- Autonomy
- ASSISTIVE
- Data exposure
- Not specified
What the vendor’s website says · supplier-provided, not verified evidence
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. text-embedding-3-large is OpenAI's model API, from OpenAI OpCo, LLC. Published at platform.openai.com/docs/models/text-embedding-3-large. Directory filing: Embedding models. text-embedding-3-large is OpenAI's model API, from OpenAI OpCo, LLC. Published at platform.openai.com/docs/models/text-embedding-3-large. Directory filing: Embedding models.
Verified claims
- Domain associated with this organisation: Yes
- Claim status: UNCLAIMED
- Last verified: 2026-09-17
What we have not verified
AI TrustMark has not independently verified supplier-provided marketing claims on this profile, including untested productivity, ROI or performance figures, unless they appear under verified claims or a named certificate. Absence of a claim from the verified list means it has not been evidenced here.
The organisation description above is supplier-provided unless a specific statement is listed as verified.
Products assessed
No assessed products are listed on this profile yet.
Customer experience
No published reviews yet. Review screenshots appear only with a qualifying Verity review; directory thumbnails from a vendor website are not review evidence.
Customer stories
No consented, relationship-verified customer stories yet.
FAQs
What does OpenAI do?
OpenAI is a US AI research company that sells hosted assistants, APIs and developer tools, including ChatGPT and the OpenAI API. OpenAI publishes ChatGPT Work, omni-moderation, and OpenAI Fine-tuning API as named AI products. OpenAI is used for General-purpose assistants and Deep research work. OpenAI is recorded in San Francisco, United States.
What AI services or products does it provide?
ChatGPT, ChatGPT Enterprise, ChatGPT Work, Deep Research, GPT-4o mini TTS, GPT-4o Transcribe, GPT-5, GPT-5 nano, GPT Image 1, GPT-Realtime-2, omni-moderation, OpenAI Agents SDK, OpenAI Codex, OpenAI Fine-tuning API, OpenAI SDK, Sora, text-embedding-3-large
Which AI categories does it operate in?
General-purpose assistants, Enterprise AI chatbots, Computer-use agents, Deep research, Speech models, Speech models, LLMs, SLMs, Image generation, Voice generation, Content moderation, AI agents, Code generation, Fine-tuning platforms, AI SDKs, AI video generation, Embedding models
Has OpenAI been independently assessed by AI TrustMark?
No independent assessment result is published. Current listing status: Directory listing.
What procurement or assurance information is available?
Company identity, category assignment and any published certificates or assessment summaries appear on this page. Absence of a field means it has not been evidenced here.
Last verified: 2026-09-17
Methodology version: See current methodology
Why complete verification
Completing verification can improve the quality of the public evidence available on this supplier profile. Useful verified information can deepen the profile and make public questions about the named product more answerable. It does not buy directory ranking, review stars, a higher Assurance Score, a favourable certificate outcome, or a guaranteed Google ranking.
Payment remains independent from rankings and assessment outcomes. Start an assessment · Methodology