claude-opus-4-1-20250805▌

About this listing

claude-opus-4-1-20250805 is in the explainx.ai LLM directory. Anthropic · 2 Arena leaderboards. It is labeled closed or API-first, with publisher field Anthropic and license Proprietary. Structured FAQs below clarify source, weights, and benchmark data. Canonical URL: /llms/claude-opus-4-1-20250805.

FAQ

What is claude-opus-4-1-20250805?

claude-opus-4-1-20250805 — Anthropic · 2 Arena leaderboards. It appears in the explainx.ai LLM marketplace as a discoverability aid. Reported specs on explainx.ai include type: code; context window (listed): about 200,000 tokens. Links and license data should be verified with the publisher before production use.

Who created or publishes claude-opus-4-1-20250805?

On this listing, the organization or lab field is “Anthropic” (sourced from the directory import or editor). That usually matches the publisher; confirm on the official model card or vendor site.

Is claude-opus-4-1-20250805 open source or closed source?

The listing is categorized as closed-weights, API-only, or proprietary (license shown: “Proprietary”). Weights may not be public; access is typically through the vendor’s API or product.

Where can I download weights or find model files for claude-opus-4-1-20250805?

This model is listed as closed or API-first; public weight downloads may not be available. Rely on the vendor links on this page for access and pricing.

What do Arena leaderboard numbers mean for claude-opus-4-1-20250805?

Arena.ai runs crowd‑ranked leaderboards (Elo-style scores) for chat, vision, code, media, and other tracks. This profile includes 2 leaderboard appearances from a snapshot (2026-04-15T06:47:52.332462+00:00). Ranks and votes are **per leaderboard**, not a single global score; combined vote counts across those rows are roughly 86,404 for context. explainx.ai mirrors summary data only; authoritative methodology lives on arena.ai.