Claude Opus 5 (Medium) vs Grok 4.6 (Low)
Which is better for the money: Claude Opus 5 (Medium) by Anthropic or Grok 4.6 (Low) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
Claude Opus 5 (Medium) scores 9.7 points higher (44.8 vs 35.1) but costs 4.4× as much to run the benchmark ($2732 vs $614; flagship vs premium cost classes). They are not alternatives at one budget: pick Claude Opus 5 (Medium) when you need intelligence above 35.1, and Grok 4.6 (Low) when 35.1 is enough.
| Metric | Claude Opus 5 (Medium) | Grok 4.6 (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 44.8 | 35.1 | −21.7% Grok 4.6 (Low) is 21.7% less intelligent |
| Total AA cost (lower is better) | $2,731.91 | $613.92 | −77.5% Grok 4.6 (Low) is 77.5% cheaper |
| End-to-end time (lower is better) | 12.73s | 13.64s | +7.1% Grok 4.6 (Low) is 7.1% slower |
| Price per 1M tokens (in / out) | $5.00 / $25.0 | $2.00 / $6.00 | |
| Input modalities | Text, Image | Text, Image |
Grok 4.6 (Low) vs Claude Opus 5 (Medium): 21.7% less intelligence, 77.5% less cost to run the AA benchmark, and 7.1% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5 (Medium) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
- Grok 4.6 (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
Claude Opus 5 (Medium)Grok 4.6 (Low)Today's Pareto frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-5-medium/grok-4-6-low · Markdown: /api/v1/compare/claude-opus-5-medium/grok-4-6-low?format=md · llms.txt · agent skill