Home / Compare / Claude Opus 5.5 vs Grok 4.7

Claude Opus 5.5 vs Grok 4.7

For a typical chat reply (2,000 tokens in, 400 out), Claude Opus 5.5 costs 3.1× as much as Grok 4.7: $16.00 against $5.12 per 1,000 requests at list price on 2026-09-28.

Claude Opus 5.5Grok 4.7
Input, per 1M tokens$4.00$1.60
Output, per 1M tokens$20.00$4.80
Context window1M500K
Classification or routing (600 tokens in, 10 out), per 1,000$2.60$1.01
Chat reply (2,000 in, 400 out), per 1,000$16.00$5.12
Retrieval-augmented answer (8,000 in, 500 out), per 1,000$42.00$15.20
Confidence signalnoyes
Tool callingyesyes
BANKING77, correct of 400354not measured

Which one should carry your traffic?

If Grok 4.7 answers your requests as well as Claude Opus 5.5, moving that traffic saves 68% on chat-shaped requests. Averages cannot tell you whether it does for your requests. Grok 4.7 exposes a confidence signal, so Gimbix can let it answer first and hand unsure cases to Claude Opus 5.5.

Claude Opus 5.5 profile · Grok 4.7 profile · Measure it on your traffic