Claude Haiku 5.5 (Medium) vs Grok 4.5 (High)
Which is better for the money: Claude Haiku 5.5 (Medium) by Anthropic or Grok 4.5 (High) 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
Grok 4.5 (High) scores 4.3 points higher (38.8 vs 34.5) but costs 22× as much to run the benchmark ($1244 vs $56.4; premium vs mid-range cost classes). They are not alternatives at one budget: pick Grok 4.5 (High) when you need intelligence above 34.5, and Claude Haiku 5.5 (Medium) when 34.5 is enough.
| Metric | Claude Haiku 5.5 (Medium) | Grok 4.5 (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.5 | 38.8 | +12.5% Grok 4.5 (High) is 12.5% more intelligent |
| Total AA cost (lower is better) | $56.36 | $1,243.85 | +2107.0% Grok 4.5 (High) is 22× more expensive |
| End-to-end time (lower is better) | 13.12s | 20.23s | +54.2% Grok 4.5 (High) is 54.2% slower |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $2.00 / $6.00 | |
| Input modalities | Text, Image | Text, Image |
Grok 4.5 (High) vs Claude Haiku 5.5 (Medium): 12.5% more intelligence, 2107.0% more cost to run the AA benchmark, and 54.2% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Haiku 5.5 (Medium) is on today's frontier: nothing is both smarter and cheaper.
- Grok 4.5 (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Claude Haiku 5.5 (Medium)Grok 4.5 (High)Today's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-haiku-5-5-medium/grok-4-5 · Markdown: /api/v1/compare/claude-haiku-5-5-medium/grok-4-5?format=md · llms.txt · agent skill