Verified claim · AI-ML · 100% confidence
Llama 2 released on: 2023-07-18.
Last verified 2026-05-16 · Methodology veritas-v0.1 · 34dd74941bc7bd48
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Structured fields
- Subject
- Llama 2
- Predicate
released_on- Object
- 2023-07-18
- Confidence
- 100%
- Tags
- llama-2 · meta · release · 2023 · open-weights
Sources (2)
[1] official blog · Meta · 2023-07-18
Meta and Microsoft Introduce the Next Generation of Llama[2] preprint · Meta AI / arXiv · 2023-07-19
Llama 2: Open Foundation and Fine-Tuned Chat Models
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Ready-to-paste citation (Markdown / plain text):
Llama 2 released on: 2023-07-18. — SourceScore Claim 34dd74941bc7bd48 (verified 2026-05-16). https://sourcescore.org/api/v1/claims/34dd74941bc7bd48.jsonEmbed this claim
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<iframe src="https://sourcescore.org/embed/claim/34dd74941bc7bd48/" width="100%" height="360" frameborder="0" loading="lazy" title="Llama 2 released on: 2023-07-18."></iframe>Preview: open in new tab
Frequently asked questions
How has SourceScore reviewed the claim "Llama 2 released on: 2023-07-18."?
SourceScore records this assertion with 100% legacy editorial confidence as of 2026-05-16, under methodology veritas-v0.1. That metadata is not a truth guarantee. Inspect the 2 cited source record(s), excerpts, and live evidence below.
What is the evidence for "Llama 2 released on: 2023-07-18."?
The record lists 2 cited source(s): Meta, Meta AI / arXiv. Each is shown below with a short excerpt and URL. The JSON record at https://sourcescore.org/api/v1/claims/34dd74941bc7bd48.json includes SourceScore-issued HMAC integrity metadata, not a public verification proof.
When was this claim record last reviewed by SourceScore?
Last reviewed 2026-05-16 under methodology version veritas-v0.1. The dated JSON record includes SourceScore-issued HMAC metadata, which is not publicly recomputable. Refetch the record and inspect current evidence before relying on it.
How can I cite this SourceScore claim in my code or article?
Fetch the JSON record from https://sourcescore.org/api/v1/claims/34dd74941bc7bd48.json, including the verbatim claim, cited evidence, confidence, methodology version, and last-verified date. Refetch the canonical HTTPS record and inspect cited evidence; the HMAC tag is not publicly independently verifiable. The CC-BY-4.0 license permits commercial use with attribution to SourceScore.
Use this claim in your code
Fetch this record from your application. The response includes verbatim excerpts, primary-source URLs, and SourceScore-issued HMAC integrity metadata. Refetch the canonical HTTPS record and inspect cited evidence; public users cannot independently verify the HMAC tag.
cURL
curl https://sourcescore.org/api/v1/claims/34dd74941bc7bd48.jsonJavaScript / TypeScript
const r = await fetch("https://sourcescore.org/api/v1/claims/34dd74941bc7bd48.json");
const envelope = await r.json();
console.log(envelope.claim.statement);
// "Llama 2 released on: 2023-07-18."Python
import httpx
r = httpx.get("https://sourcescore.org/api/v1/claims/34dd74941bc7bd48.json")
envelope = r.json()
print(envelope["claim"]["statement"])
# "Llama 2 released on: 2023-07-18."LangChain (retrieve-then-cite)
from langchain_core.tools import tool
import httpx
@tool
def get_llama_2_fact() -> dict:
"""Fetch the verified SourceScore claim for Llama 2."""
r = httpx.get("https://sourcescore.org/api/v1/claims/34dd74941bc7bd48.json")
return r.json()