Verified claim · AI-ML · 100% confidence
GPT-4o context window tokens: 128000.
Last verified 2026-05-16 · Methodology veritas-v0.1 · 118226d52c6f7491
Structured fields
- Subject
- GPT-4o
- Predicate
context_window_tokens- Object
- 128000
- Confidence
- 100%
- Tags
- gpt-4o · context · openai · 128k
Sources (2)
[1] docs · OpenAI
OpenAI GPT-4o model documentation[2] official blog · OpenAI · 2024-05-13
Hello GPT-4o
Cite this claim
Ready-to-paste citation (Markdown / plain text):
GPT-4o context window tokens: 128000. — SourceScore Claim 118226d52c6f7491 (verified 2026-05-16). https://sourcescore.org/api/v1/claims/118226d52c6f7491.jsonEmbed this claim
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<iframe src="https://sourcescore.org/embed/claim/118226d52c6f7491/" width="100%" height="360" frameborder="0" loading="lazy" title="GPT-4o context window tokens: 128000."></iframe>Preview: open in new tab
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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/118226d52c6f7491.jsonJavaScript / TypeScript
const r = await fetch("https://sourcescore.org/api/v1/claims/118226d52c6f7491.json");
const envelope = await r.json();
console.log(envelope.claim.statement);
// "GPT-4o context window tokens: 128000."Python
import httpx
r = httpx.get("https://sourcescore.org/api/v1/claims/118226d52c6f7491.json")
envelope = r.json()
print(envelope["claim"]["statement"])
# "GPT-4o context window tokens: 128000."LangChain (retrieve-then-cite)
from langchain_core.tools import tool
import httpx
@tool
def get_gpt_4o_fact() -> dict:
"""Fetch the verified SourceScore claim for GPT-4o."""
r = httpx.get("https://sourcescore.org/api/v1/claims/118226d52c6f7491.json")
return r.json()