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Model Comparison

Model Comparison

Compare performance, benchmarks, and characteristics

claude-sonnet-4.5

anthropic
Context200K tokens
Input Price$3 / 1M tokens
Output Price$15 / 1M tokens

grok-4-fast

openrouter
Context2M tokens
Input Price$0.2 / 1M tokens
Output Price$0.5 / 1M tokens

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Compare anthropic/claude-sonnet-4.5 vs openrouter/grok-4-fast