Official A: Claude Opus 5.5 Scores 96.2% on OpenRouter
This is a AI post classified by Jev as Frontier models (a model release), kept by the AI Radar because it carries real work, not commentary.
Official A: Claude Opus 5.5 Scores 96.2% on OpenRouter anthropic/claude-opus-5.5 on OpenRouter. SMF Official A (157 tests, thinking off): 151/157 (96.2%), zero errors, 26 minutes, $3.64. One point behind Grok 4.5. Same-day HTML one-shots are a different harness. Read the full writeup here https://www.smfclearinghouse.com/blog/2026-09-22-claude-opus-5.5-official-a-openrouter
Posted by Mike Gannotti (53.1k followers) 56 min ago · 0 likes · 36 views · view the original post on X. Kept by the AI Radar as Frontier models. Tools mentioned: SMF Clearinghouse.
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