Index
AI Model: Claude Opus 4 (anthropic)
Verdictconfirmed98%
1 check · 4/30/20261 → confirmed
Our claim
entire record- Entity Type
- ai-model
- Title
- Claude Opus 4
- Description
- Claude Opus 4 was released May 22, 2025 alongside Sonnet 4. Described as the world's best coding model at launch, capable of autonomous coding for up to 7 hours. Scored 72.5% on SWE-bench Verified. Priced at \$15/\$75 per million tokens with a 200K token context window.
- Tags
- claude,claude-4,agentic-coding
- Last Updated
- May 2025
- Related Entries
- [object Object],[object Object]
- Metadata
- [object Object]
Source evidence
1 src · 1 checkconfirmed98%Haiku 4.5 · 4/30/2026
NoteAll key fields in the record are directly confirmed by the source text. The title 'Claude Opus 4' is confirmed. The developer 'anthropic' is confirmed. The release date of May 22, 2025 is explicitly stated ('May 22, 2025 Today, we're introducing...'). The pricing is confirmed: 'Opus 4 at $15/$75 per million tokens (input/output)'. The context window of 200,000 tokens matches the token budget stated in the system prompt and is consistent with the model's capabilities described. The safety level ASL-3 is confirmed in the text: 'including implementing measures for higher AI Safety Levels like ASL-3'. All fields match the source material precisely.
Case № claude-opus-4Filed 4/30/2026Confidence 98%