Compare/Grok 4 vs Claude Sonnet 4.6 (Non-reasoning, High Effort)

Grok 4vsClaude Sonnet 4.6 (Non-reasoning, High Effort)

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

xAI

Grok 4

Input
$3/M
Output
$15/M
Speed
47 tok/s
TTFT
8.38s
Anthropic

Claude Sonnet 4.6 (Non-reasoning, High Effort)

Input
$3/M
Output
$15/M
Speed
50 tok/s
TTFT
1.21s

Winner by Category

Cheaper
Tie
Faster (tok/s)
Claude Sonnet 4.6 (Non-reasoning, High Effort)
Lower Latency
Claude Sonnet 4.6 (Non-reasoning, High Effort)
Benchmarks (8-4)
Grok 4

Pricing Comparison

MetricGrok 4Claude Sonnet 4.6 (Non-reasoning, High Effort)
Input ($/M tokens)$3$3
Output ($/M tokens)$15$15
Cost for 1M input + 100K output tokens:
Grok 4$4.50
Claude Sonnet 4.6 (Non-reasoning, High Effort)$4.50

Speed Comparison

Output Speed (tokens/s) — higher is better
Grok 4
47 tok/s
Claude Sonnet 4.6 (Non-reasoning, High Effort)
50 tok/s
Time to First Token (seconds) — lower is better
Grok 4
8.38s
Claude Sonnet 4.6 (Non-reasoning, High Effort)
1.21s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
41.544.4
Coding Index
40.546.4
Math Index
92.7
GPQA Diamond
87.7%79.9%
MMLU-Pro
86.6%
LiveCodeBench
81.9%
AIME 2025
92.7%
MATH-500
99.0%
Humanity's Last Exam
23.9%13.2%
SciCode
45.7%46.9%
IFBench
53.7%41.2%
TerminalBench
37.9%46.2%
Grok 48 wins
4 winsClaude Sonnet 4.6 (Non-reasoning, High Effort)

Frequently Asked Questions

Which is cheaper, Grok 4 or Claude Sonnet 4.6 (Non-reasoning, High Effort)?

Both models have similar pricing. Check the detailed breakdown above for input vs output token costs.

Which model performs better on benchmarks?

Grok 4 wins 8 out of 12 benchmarks compared to 4 for Claude Sonnet 4.6 (Non-reasoning, High Effort). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Claude Sonnet 4.6 (Non-reasoning, High Effort) generates tokens faster at 50 tok/s vs 47 tok/s. However, Claude Sonnet 4.6 (Non-reasoning, High Effort) has lower time-to-first-token (1.21s vs 8.38s).

When should I use Grok 4 vs Claude Sonnet 4.6 (Non-reasoning, High Effort)?

Choose based on your priorities: both are similarly priced, Grok 4 for stronger benchmark performance, and Claude Sonnet 4.6 (Non-reasoning, High Effort) for faster generation. For latency-sensitive apps, check the TTFT comparison above.