Anthropic vs 
xAI
Anthropic and xAI subscription plans, prices, and usage limits side by side, source-linked and tracked over time. 2026 snapshot, last verified 2026-07-01. Cheapest plan across the two: Anthropic Pro at $20/mo. For value-per-dollar and measured receipts, see the interactive LimitWatch app.
| Provider | Plan | Price / mo | Limits | Confidence | Source |
|---|---|---|---|---|---|
| Anthropic | Pro | $20 | 5x Free 45 messages/5h | official | src |
| xAI | SuperGrok | $30 | 1,000 messages/day 125 messages/4h | community | src |
| Anthropic | Max 5x | $100 | 5x Pro 225 messages/5h | official | src |
| Anthropic | Max 20x | $200 | 20x Pro 900 messages/5h | official | src |
| xAI | SuperGrok Heavy | $300 | 5,000 messages/day 250 messages/4h | community | src |
Recent Anthropic changes
2026-07-01Anthropic Max 20x Agent SDK $? credit / mo removed
2026-07-01Anthropic Max 5x Agent SDK $? credit / mo removed
2026-07-01Anthropic Pro Agent SDK $? credit / mo removed