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OpenAI funding in 2026: 4 reported events

The latest OpenAI funding event on this page is a Funding round of $11B, dated Oct 31, 2026, from a news article.

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Funding events
4
Latest
Oct 31, 2026
Latest event
Funding round

Source: Autobound Signal API · 143 signals tracked for OpenAI · updated

Funding · latest 4

Latest OpenAI funding events

Signal API · MCP

Track OpenAI with the Signal API

One POST /v1/companies/enrich call with openai.com returns OpenAI funding signals (news, sec-form-d-funding), each with its source. Or ask Claude through MCP.

2 credits per signal returned; zero-result calls are free. Endpoint reference

curl -X POST https://signals.autobound.ai/v1/companies/enrich \
  -H "X-API-KEY: $AUTOBOUND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "domain": "openai.com",
    "signal_types": ["news","sec-form-d-funding"],
    "signal_subtypes": ["receives_financing","has_valuation","goes_public",
      "newFilingCompany","amendmentCompany"],
    "limit": 20
  }'

Bulk data

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Questions about OpenAI funding

How much has OpenAI raised?
This page tracks 4 funding events for OpenAI. The latest is a Funding round of $11B, dated Oct 31, 2026, from a news article. We do not publish a total raised: coverage has gaps and recap stories repeat old rounds.
What is OpenAI's latest valuation?
OpenAI lowered its proposed valuation from 1.4 to 1.25 trillion dollars ahead of its financing round and planned IPO. Reported on Oct 23, 2026, from a news article. See the source link in the table.
Who invested in OpenAI?
Investors named for the Funding round dated Oct 30, 2026: Nvidia.

Page updated , the date of the newest row on this page.

Source. News reports of rounds, valuations and IPOs, plus SEC Form D filings.

Method. Stories about the same round within 14 days merge into one row. Fund and SPV Form D filers are removed. No total is computed.

Data as of .

How this data is built →Get it from the Signal API →