Compare/Grok 3 vs Claude Sonnet 4.6 (Non-reasoning, High Effort)

Grok 3vsClaude Sonnet 4.6 (Non-reasoning, High Effort)

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

xAI

Grok 3

Input
$3/M
Output
$15/M
Speed
70 tok/s
TTFT
0.33s
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)
Grok 3
Lower Latency
Grok 3
Benchmarks (6-6)
Tie

Pricing Comparison

MetricGrok 3Claude 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 3$4.50
Claude Sonnet 4.6 (Non-reasoning, High Effort)$4.50

Speed Comparison

Output Speed (tokens/s) — higher is better
Grok 3
70 tok/s
Claude Sonnet 4.6 (Non-reasoning, High Effort)
50 tok/s
Time to First Token (seconds) — lower is better
Grok 3
0.33s
Claude Sonnet 4.6 (Non-reasoning, High Effort)
1.21s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
25.244.4
Coding Index
19.846.4
Math Index
58.0
GPQA Diamond
69.3%79.9%
MMLU-Pro
79.9%
LiveCodeBench
42.5%
AIME 2025
58.0%
MATH-500
87.0%
Humanity's Last Exam
5.1%13.2%
SciCode
36.8%46.9%
IFBench
46.9%41.2%
TerminalBench
11.4%46.2%
Grok 36 wins
6 winsClaude Sonnet 4.6 (Non-reasoning, High Effort)

Frequently Asked Questions

Which is cheaper, Grok 3 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?

It's a tie — both models win 6 benchmarks each across 12 evaluated categories. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Grok 3 generates tokens faster at 70 tok/s vs 50 tok/s. Grok 3 also has lower time-to-first-token (0.33s vs 1.21s).

When should I use Grok 3 vs Claude Sonnet 4.6 (Non-reasoning, High Effort)?

Choose based on your priorities: both are similarly priced, both perform similarly on benchmarks, and Grok 3 for faster generation. For latency-sensitive apps, check the TTFT comparison above.