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

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

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

SpaceXAI

Grok 3

Input
$4/M
Output
$20/M
Speed
TTFT
Anthropic

Claude Sonnet 4.6 (Non-reasoning, Low Effort)

Input
$3/M
Output
$15/M
Speed
52 tok/s
TTFT
1.01s

Winner by Category

Cheaper
Claude Sonnet 4.6 (Non-reasoning, Low Effort)
Faster (tok/s)
Claude Sonnet 4.6 (Non-reasoning, Low Effort)
Lower Latency
Grok 3
Benchmarks (6-5)
Grok 3

Pricing Comparison

MetricGrok 3Claude Sonnet 4.6 (Non-reasoning, Low Effort)
Input ($/M tokens)$4$3
Output ($/M tokens)$20$15
Cost for 1M input + 100K output tokens:
Grok 3$6.00
Claude Sonnet 4.6 (Non-reasoning, Low Effort)$4.50

Speed Comparison

Output Speed (tokens/s) — higher is better
Grok 3
Claude Sonnet 4.6 (Non-reasoning, Low Effort)
52 tok/s
Time to First Token (seconds) — lower is better
Grok 3
Claude Sonnet 4.6 (Non-reasoning, Low Effort)
1.01s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
18.434.3
Coding Index
Math Index
58.0
GPQA Diamond
69.3%79.7%
MMLU-Pro
79.9%
LiveCodeBench
42.5%
AIME 2025
58.0%
MATH-500
87.0%
Humanity's Last Exam
5.1%10.8%
SciCode
36.8%44.1%
IFBench
46.9%42.4%
TerminalBench
11.4%42.4%
Grok 36 wins
5 winsClaude Sonnet 4.6 (Non-reasoning, Low Effort)

Frequently Asked Questions

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

Claude Sonnet 4.6 (Non-reasoning, Low Effort) is cheaper overall. Its blended price (3:1 input/output ratio) is $6.00/M tokens vs $8.00/M for Grok 3.

Which model performs better on benchmarks?

Grok 3 wins 6 out of 12 benchmarks compared to 5 for Claude Sonnet 4.6 (Non-reasoning, Low Effort). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Claude Sonnet 4.6 (Non-reasoning, Low Effort) generates tokens faster at 52 tok/s vs 0 tok/s. Grok 3 also has lower time-to-first-token (0.00s vs 1.01s).

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

Choose based on your priorities: Claude Sonnet 4.6 (Non-reasoning, Low Effort) for lower cost, Grok 3 for stronger benchmark performance, and Claude Sonnet 4.6 (Non-reasoning, Low Effort) for faster generation. For latency-sensitive apps, check the TTFT comparison above.