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

Claude Sonnet 4.6 (Non-reasoning, Low Effort)vsGrok 3

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

Anthropic

Claude Sonnet 4.6 (Non-reasoning, Low Effort)

Input
$3/M
Output
$15/M
Speed
51 tok/s
TTFT
1.16s
xAI

Grok 3

Input
$3/M
Output
$15/M
Speed
70 tok/s
TTFT
0.33s

Winner by Category

Cheaper
Tie
Faster (tok/s)
Grok 3
Lower Latency
Grok 3
Benchmarks (6-6)
Tie

Pricing Comparison

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

Speed Comparison

Output Speed (tokens/s) — higher is better
Claude Sonnet 4.6 (Non-reasoning, Low Effort)
51 tok/s
Grok 3
70 tok/s
Time to First Token (seconds) — lower is better
Claude Sonnet 4.6 (Non-reasoning, Low Effort)
1.16s
Grok 3
0.33s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
42.625.2
Coding Index
43.019.8
Math Index
58.0
GPQA Diamond
79.7%69.3%
MMLU-Pro
79.9%
LiveCodeBench
42.5%
AIME 2025
58.0%
MATH-500
87.0%
Humanity's Last Exam
10.8%5.1%
SciCode
44.1%36.8%
IFBench
42.4%46.9%
TerminalBench
42.4%11.4%
Claude Sonnet 4.6 (Non-reasoning, Low Effort)6 wins
6 winsGrok 3

Frequently Asked Questions

Which is cheaper, Claude Sonnet 4.6 (Non-reasoning, Low Effort) or Grok 3?

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 51 tok/s. However, Grok 3 has lower time-to-first-token (0.33s vs 1.16s).

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

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.