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AI Model: Claude 3 Opus (anthropic)

Verdictconfirmed98%
1 check · 4/30/2026

1 → confirmed

Our claim

entire record
Entity Type
ai-model
Title
Claude 3 Opus
Description
Claude 3 Opus was Anthropic's most capable model at launch on March 4, 2024. It outperformed GPT-4 on MMLU (86.8%), GPQA, GSM8K, and HumanEval benchmarks. Priced at \$15/\$75 per million tokens (input/output) with a 200K token context window.
Tags
claude,claude-3,frontier-ai
Last Updated
March 2024
Related Entries
[object Object],[object Object]
Metadata
[object Object]

Source evidence

1 src · 1 check
confirmed98%Haiku 4.5 · 4/30/2026

NoteAll key fields in the record are directly confirmed by the source text. The title 'Claude 3 Opus' is stated throughout. The developer 'anthropic' is confirmed (Anthropic is the organization). The release date of 2024-03-04 matches 'Mar 4, 2024' in the announcement. Input price of $15 and output price of $75 are explicitly stated in the 'Cost' section for Opus as '$15 | $75 [Input $/million tokens | Output $/million tokens]'. The context window of 200000 tokens is confirmed as '200K' in the source. The safety level 'ASL-2' is confirmed by the statement 'it remains at AI Safety Level 2 (ASL-2) per our Responsible Scaling Policy'. All values match precisely with no contradictions.

Case № claude-3-opusFiled 4/30/2026Confidence 98%