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Anthropic vs xAI Pricing Comparison

Full API pricing breakdown, model lineups, and category coverage.

Anthropic

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Total Models
12
Avg Input
$6.15/1M
Avg Output
$30.75/1M
Cheapest Model
Claude 3.5 Haiku
Most Expensive
Claude 3 Opus
Price Range
$4.80 -$90.00
Total Models
7
Avg Input
$1.314286/1M
Avg Output
$5.357143/1M
Cheapest Model
Grok 4.1 Fast
Most Expensive
Grok 3
Price Range
$0.70 -$18.00

Decision Guide: Which Provider Should You Choose?

If your priority is pure token cost, xAI has the lower average combined input + output rate in this comparison at about $6.671429/1M.

Choose Anthropic when...

  • you want model flexibility over lowest average price.
  • you want Anthropic's lowest-cost model (Claude 3.5 Haiku) for budget-sensitive traffic.
  • your workload fits Anthropic's stronger coverage in flagship, balanced.

Tradeoff: Anthropic is pricier on average than xAI.

Choose xAI when...

  • you want lower average token pricing.
  • you want xAI's lowest-cost model (Grok 4.1 Fast) for budget-sensitive traffic.
  • your workload fits xAI's stronger coverage in reasoning.

Tradeoff: Anthropic has premium models that may offer broader capabilities.

Coverage snapshot: Anthropic supports 3/4 major categories and xAI supports 3/4.

Category Breakdown

Providerflagshipreasoningbalancedefficient
Anthropic6032
xAI1302

All Models & Pricing

ModelCategoryInputOutputContext
Claude 3.5 Haikuefficient$0.80/1M$4.00/1M200,000
Claude Haiku 4.5efficient$1.00/1M$5.00/1M200,000
Claude Sonnet 4.6balanced$3.00/1M$15.00/1M1,000,000
Claude Sonnet 4.5balanced$3.00/1M$15.00/1M200,000
Claude Sonnet 4standard$3.00/1M$15.00/1M200,000
Claude 3.5 Sonnetbalanced$3.00/1M$15.00/1M200,000
Claude Opus 4.7flagship$5.00/1M$25.00/1M1,000,000
Claude Opus 4.6flagship$5.00/1M$25.00/1M1,000,000
Claude Opus 4.5flagship$5.00/1M$25.00/1M200,000
Claude Opus 4flagship$15.00/1M$75.00/1M200,000
Claude Opus 4.1flagship$15.00/1M$75.00/1M200,000
Claude 3 Opusflagship$15.00/1M$75.00/1M200,000
ModelCategoryInputOutputContext
Grok 4.1 Fastefficient$0.20/1M$0.50/1M2,000,000
Grok 3 Miniefficient$0.30/1M$0.50/1M128,000
Grok Code Fast 1standard$0.20/1M$1.50/1M256,000
Grok 4.3reasoning$1.25/1M$2.50/1M1,000,000
Grok 4.20reasoning$1.25/1M$2.50/1M2,000,000
Grok 4reasoning$3.00/1M$15.00/1M256,000
Grok 3flagship$3.00/1M$15.00/1M131,072

Cross-Provider Model Matchups

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Showing 12 of 84 matchups between Anthropic and xAI.

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Frequently Asked Questions

Which provider is cheaper on average, Anthropic or xAI?
On average, xAI has lower combined input + output rates. Compare model-specific pricing to match your workload.
What is the cheapest model across Anthropic and xAI?
Grok 4.1 Fast (xAI) is the lowest-cost option at $0.20 input and $0.50 output per million tokens.
Which model is the most expensive between these providers?
Claude Opus 4 (Anthropic) is the highest-cost model in this comparison at $15.00 input and $75.00 output per million tokens.
Which provider has more models available?
Anthropic offers more models in this dataset.