Anthropic / SOURCE-LINKED MODEL RECORD

Claude Opus 4 1 20250805

A model record assembled from original source observations. Review the exact artifact and its evidence before choosing a deployment.

Hosted modelverifiedObserved Oct 10, 2026
Input types
text, image
Output types
text
Observed context window
Not established
Source release date
Aug 5, 2025

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The canonical record is anthropic:claude-opus-4-1. Capabilities and context limits reflect source observations; the limits of a particular inference endpoint may differ.

Inclusion in the radar does not mean this model is served by Flonno. For the model currently available through our API, see Qwen3.8 Flash 27B and API pricing.

Artifact evidence

claude-opus-4-1-20250805

official changelog · Pinned artifact · Official provider announcement. First observed Aug 9, 2026; last observed Oct 10, 2026.

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claude-opus-4-1

official changelog · Mutable source entry · Official provider announcement. First observed Aug 9, 2026; last observed Oct 10, 2026.

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Benchmark results apply to their recorded version and method. They do not transfer automatically to a different runtime or a quantized derivative.

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Benchmark provenance

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No source-linked benchmark measurements are available for this exact model artifact.

Verified lifecycle updates

Source publication date
Anthropic / retirement

Anthropic Claude Opus 4 1 20250805 retired

Anthropic hat das Modell Claude Opus 4.1 (claude-opus-4-1-20250805) eingestellt, wodurch Anfragen an diesen Endpunkt ab sofort Fehler auslösen. Betroffene Nutzer sollten auf Claude Opus 5 umsteigen, während Forschende weiterhin über ein spezielles Zugangsprogramm Zugriff beantragen können.

AI-assisted summary · gemini-3.7-flashRecorded Aug 9, 2026
Source publication date
Anthropic / release

Anthropic Claude Opus 4 1 released

Anthropic hat Claude Opus 4.1 veröffentlicht, ein inkrementelles Update mit verbesserten Fähigkeiten und Performance. Die Version 4.1 erlaubt nicht die gleichzeitige Nutzung von Temperature- und Top-p-Parametern.

AI-assisted summary · gemma-4-31b-itRecorded Aug 9, 2026