Verified claim · AI-ML · 100% confidence
OpenAI o3 announced on: 2024-12-20 by OpenAI — frontier reasoning model successor to o1, breakthrough on ARC-AGI eval (87.5%).
Last verified 2026-05-16 · Methodology veritas-v0.1 · 64f231c18b7b0560
Structured fields
- Subject
- OpenAI o3
- Predicate
announced_on- Object
- 2024-12-20 by OpenAI — frontier reasoning model successor to o1, breakthrough on ARC-AGI eval (87.5%)
- Confidence
- 100%
- Tags
- o3 · openai · reasoning-model · arc-agi · frontier-model · announced_on · 2024
Sources (2)
[1] official blog · OpenAI · 2024-12-20
OpenAI o3 and o3-mini — early access announcement“Today we're announcing OpenAI o3, the next iteration in our o-series of reasoning models, with breakthrough performance on ARC-AGI, frontier math, and Codeforces.”
[2] official blog · ARC Prize · 2024-12-20
OpenAI o3 Breakthrough High Score on ARC-AGI-Pub
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Frequently asked questions
Is the claim "OpenAI o3 announced on: 2024-12-20 by OpenAI — frontier reasoning model successor to o1, breakthrough on ARC-AGI eval (87.5%)." verified?
Yes — SourceScore verified this claim with 100% confidence as of 2026-05-16. The verification uses 2 primary sources cross-referenced against the SourceScore methodology (version veritas-v0.1). Full source list + signed JSON envelope linked below.
What is the evidence for "OpenAI o3 announced on: 2024-12-20 by OpenAI — frontier reasoning model successor to o1, breakthrough on ARC-AGI eval (87.5%)."?
Evidence comes from 2 primary sources: OpenAI, ARC Prize. Each source is listed below with verbatim excerpts and URLs. The signed JSON envelope at https://sourcescore.org/api/v1/claims/64f231c18b7b0560.json includes an HMAC-SHA256 signature for audit verification.
When was this claim last verified by SourceScore?
Last verified 2026-05-16 under methodology version veritas-v0.1. The signed JSON envelope is dated and cryptographically signed for audit trail. Re-verification cadence depends on the claim type and source freshness.
How can I cite this SourceScore claim in my code or article?
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cURL
curl https://sourcescore.org/api/v1/claims/64f231c18b7b0560.jsonJavaScript / TypeScript
const r = await fetch("https://sourcescore.org/api/v1/claims/64f231c18b7b0560.json");
const envelope = await r.json();
console.log(envelope.claim.statement);
// "OpenAI o3 announced on: 2024-12-20 by OpenAI — frontier reasoning model successor to o1, breakthrough on ARC-AGI eval (87.5%)."Python
import httpx
r = httpx.get("https://sourcescore.org/api/v1/claims/64f231c18b7b0560.json")
envelope = r.json()
print(envelope["claim"]["statement"])
# "OpenAI o3 announced on: 2024-12-20 by OpenAI — frontier reasoning model successor to o1, breakthrough on ARC-AGI eval (87.5%)."LangChain (retrieve-then-cite)
from langchain_core.tools import tool
import httpx
@tool
def get_openai_o3_fact() -> dict:
"""Fetch the verified SourceScore claim for OpenAI o3."""
r = httpx.get("https://sourcescore.org/api/v1/claims/64f231c18b7b0560.json")
return r.json()