Verified claim · AI-ML · 85% confidence
Anthropic Claude Haiku 4.5 publicly released on: 2025-10-16 by Anthropic — fast tier Claude 4.5 family (text + vision + extended thinking).
Last verified 2026-05-16 · Methodology veritas-v0.1 · b3cd9a0e18791267
Structured fields
- Subject
- Anthropic Claude Haiku 4.5
- Predicate
publicly_released_on- Object
- 2025-10-16 by Anthropic — fast tier Claude 4.5 family (text + vision + extended thinking)
- Confidence
- 85%
- Tags
- claude-haiku-4-5 · anthropic · fast-tier · released_on · 2025
Sources (2)
[1] official blog · Anthropic · 2025-10-16
Introducing Claude Haiku 4.5“Claude Haiku 4.5 is the fastest model in our Claude 4.5 family, optimized for speed-sensitive applications while supporting vision input and extended thinking.”
[2] docs · Anthropic · 2025-10-16
Anthropic Models — claude-haiku-4-5
Cite this claim
Ready-to-paste citation (Markdown / plain text):
Anthropic Claude Haiku 4.5 publicly released on: 2025-10-16 by Anthropic — fast tier Claude 4.5 family (text + vision + extended thinking). — SourceScore Claim b3cd9a0e18791267 (verified 2026-05-16). https://sourcescore.org/api/v1/claims/b3cd9a0e18791267.jsonEmbed this claim
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Frequently asked questions
Is the claim "Anthropic Claude Haiku 4.5 publicly released on: 2025-10-16 by Anthropic — fast tier Claude 4.5 family (text + vision + extended thinking)." verified?
Yes — SourceScore verified this claim with 85% 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 "Anthropic Claude Haiku 4.5 publicly released on: 2025-10-16 by Anthropic — fast tier Claude 4.5 family (text + vision + extended thinking)."?
Evidence comes from 2 primary sources: Anthropic, Anthropic. Each source is listed below with verbatim excerpts and URLs. The signed JSON envelope at https://sourcescore.org/api/v1/claims/b3cd9a0e18791267.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?
Fetch the signed JSON envelope from https://sourcescore.org/api/v1/claims/b3cd9a0e18791267.json which includes the verbatim claim, primary sources, confidence, methodology version, last-verified date, and HMAC-SHA256 signature for audit. The CC-BY-4.0 license permits commercial use with attribution to SourceScore.
Use this claim in your code
Fetch this signed envelope from your application. The response includes the verbatim excerpt, primary source URLs, and an HMAC-SHA256 signature you can verify locally for audit trails.
cURL
curl https://sourcescore.org/api/v1/claims/b3cd9a0e18791267.jsonJavaScript / TypeScript
const r = await fetch("https://sourcescore.org/api/v1/claims/b3cd9a0e18791267.json");
const envelope = await r.json();
console.log(envelope.claim.statement);
// "Anthropic Claude Haiku 4.5 publicly released on: 2025-10-16 by Anthropic — fast tier Claude 4.5 family (text + vision + extended thinking)."Python
import httpx
r = httpx.get("https://sourcescore.org/api/v1/claims/b3cd9a0e18791267.json")
envelope = r.json()
print(envelope["claim"]["statement"])
# "Anthropic Claude Haiku 4.5 publicly released on: 2025-10-16 by Anthropic — fast tier Claude 4.5 family (text + vision + extended thinking)."LangChain (retrieve-then-cite)
from langchain_core.tools import tool
import httpx
@tool
def get_anthropic_claude_haiku_4_5_fact() -> dict:
"""Fetch the verified SourceScore claim for Anthropic Claude Haiku 4.5."""
r = httpx.get("https://sourcescore.org/api/v1/claims/b3cd9a0e18791267.json")
return r.json()