Grok 4 vs Sonar Pro
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Grok 4 by xAI wins on 3 of 5 benchmarks against Sonar Pro by Perplexity, which leads on 0. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from the AI Value Index.
Category-by-Category Breakdown
Context: In context, Grok 4 scores 256K on Context Length compared to Sonar Pro's 200K.
Pricing Comparison
Grok 4 costs $3.0/1M input tokens and $15.0/1M output tokens, while Sonar Pro costs $3.0/1M input and $15.0/1M output. Both models are priced identically for input tokens.
Speed Comparison
Grok 4 generates output at 55 tok/s compared to Sonar Pro's 50 tok/s, and the time to first token is 500 ms for Grok 4 versus 3330 ms for Sonar Pro. Grok 4 delivers faster throughput.
Verdict
Grok 4 leads across the board in speed, making it the stronger overall choice in this comparison.
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Grok 4 vs Sonar Pro — FAQ
Which is better, Grok 4 or Sonar Pro?
Grok 4 wins on more benchmarks overall (3 vs 0). However, the best choice depends on your specific needs — each model excels in different areas.
How does Grok 4 compare to Sonar Pro for coding?
SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.
Is Grok 4 cheaper than Sonar Pro?
Both models are priced the same at $3.0/1M input tokens. Grok 4 output costs $15.0/1M and Sonar Pro output costs $15.0/1M.
Which is faster, Grok 4 or Sonar Pro?
Grok 4 is faster, generating output at 55 tok/s compared to 50 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Grok 4 vs Sonar Pro comparison cover?
This comparison covers 5 benchmarks including Output Speed, Time to First Token, Input Cost, Output Cost, Context Length. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.