Anthropic vs xAI
A comprehensive comparison of Anthropic (4 models) and xAI (1 model) across pricing, benchmarks, context windows, and capabilities. Updated for 2026.
Provider Overview
Anthropic
Models
4
Price range
$4.80 – $30.00
Avg benchmarks
82.7%
Avg context
200K
xAI
Models
1
Price range
$18.00 – $18.00
Avg benchmarks
83.7%
Avg context
128K
Model Lineup Comparison
| Model | Provider | Category | Input $/1M | Output $/1M | Context | Avg Bench |
|---|---|---|---|---|---|---|
| Grok 4 | xAI | Flagship | $3.00 | $15.00 | 128K | 83.7% |
| Claude Opus 4.6 | Anthropic | Flagship | $5.00 | $25.00 | 200K | 86.7% |
| Claude Sonnet 4.6 | Anthropic | Mid-Tier | $3.00 | $15.00 | 200K | 83.3% |
| Claude Sonnet 4.5 | Anthropic | Mid-Tier | $3.00 | $15.00 | 200K | 81.9% |
| Claude Haiku 4.5 | Anthropic | Budget | $0.80 | $4.00 | 200K | 78.8% |
Head-to-Head by Category
Flagship
$5.00/1M
$25.00/1M
200K
86.7%
$3.00/1M
$15.00/1M
128K
83.7%
Mid-Tier
$3.00/1M
$15.00/1M
200K
83.3%
Budget
$0.80/1M
$4.00/1M
200K
78.8%
Verdict
Best on price: Anthropic offers the cheapest option at $4.80/1M tokens combined, vs $18.00/1M from xAI.
Higher benchmarks: xAI averages 83.7% across models, vs 82.7% from Anthropic.
Larger context: Anthropic averages 200K context window across models.
More models: Anthropic offers 4 models vs 1 from xAI.
Choose Anthropic if cost is your priority. Choose xAI if you need the highest quality across your workloads.