Verified claim · AI-ML · 100% confidence
Claude 3.5 Sonnet released on: 2024-06-20.
Last verified 2026-05-16 · Methodology veritas-v0.1 · 9fc5fb203abbf250
SourceScore rates how reliable a source is to cite — for AI answers and research. This is one verified claim from the catalog.
Related verified claims
More verified claims related to this one — keep exploring.
Claude 3 family (Opus, Sonnet, Haiku) released on: 2024-03-04.
100% confidence · shares 4 tags (sonnet, anthropic, release…)
Claude 3.5 Haiku released on: 2024-11-04.
100% confidence · shares 3 tags (anthropic, release, 2024)
GPT-4o released on: 2024-05-13.
100% confidence · shares 2 tags (release, 2024)
Llama 3.1 released on: 2024-07-23.
100% confidence · shares 2 tags (release, 2024)
Llama 3 released on: 2024-04-18.
100% confidence · shares 2 tags (release, 2024)
GPT-4o mini released on: 2024-07-18.
100% confidence · shares 2 tags (release, 2024)
Phi-3 (Microsoft small language model family) released on: 2024-04-23.
100% confidence · shares 2 tags (release, 2024)
Llama 3.2 (multimodal release including 11B and 90B vision models) released on: 2024-09-25.
100% confidence · shares 2 tags (release, 2024)
Structured fields
- Subject
- Claude 3.5 Sonnet
- Predicate
released_on- Object
- 2024-06-20
- Confidence
- 100%
- Tags
- claude-3.5 · sonnet · anthropic · release · 2024
Sources (1)
[1] official blog · Anthropic · 2024-06-20
Introducing Claude 3.5 Sonnet“Today, we're launching Claude 3.5 Sonnet—our first release in the forthcoming Claude 3.5 model family.”
Anthropic is rated by SourceScore — see its reliability →
Cite this claim
Ready-to-paste citation (Markdown / plain text):
Claude 3.5 Sonnet released on: 2024-06-20. — SourceScore Claim 9fc5fb203abbf250 (verified 2026-05-16). https://sourcescore.org/api/v1/claims/9fc5fb203abbf250.jsonEmbed this claim
Drop this iframe into any blog post, docs page, or knowledge base. The widget renders the claim record + top cited source + click-through to this canonical page. CC-BY 4.0; attribution included.
<iframe src="https://sourcescore.org/embed/claim/9fc5fb203abbf250/" width="100%" height="360" frameborder="0" loading="lazy" title="Claude 3.5 Sonnet released on: 2024-06-20."></iframe>Preview: open in new tab
Frequently asked questions
How has SourceScore reviewed the claim "Claude 3.5 Sonnet released on: 2024-06-20."?
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 1 cited source record(s), excerpts, and live evidence below.
What is the evidence for "Claude 3.5 Sonnet released on: 2024-06-20."?
The record lists 1 cited source(s): Anthropic. Each is shown below with a short excerpt and URL. The JSON record at https://sourcescore.org/api/v1/claims/9fc5fb203abbf250.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/9fc5fb203abbf250.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/9fc5fb203abbf250.jsonJavaScript / TypeScript
const r = await fetch("https://sourcescore.org/api/v1/claims/9fc5fb203abbf250.json");
const envelope = await r.json();
console.log(envelope.claim.statement);
// "Claude 3.5 Sonnet released on: 2024-06-20."Python
import httpx
r = httpx.get("https://sourcescore.org/api/v1/claims/9fc5fb203abbf250.json")
envelope = r.json()
print(envelope["claim"]["statement"])
# "Claude 3.5 Sonnet released on: 2024-06-20."LangChain (retrieve-then-cite)
from langchain_core.tools import tool
import httpx
@tool
def get_claude_3_5_sonnet_fact() -> dict:
"""Fetch the verified SourceScore claim for Claude 3.5 Sonnet."""
r = httpx.get("https://sourcescore.org/api/v1/claims/9fc5fb203abbf250.json")
return r.json()