Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Grok 3 | Claude Sonnet 4.6 (Non-reasoning, Low Effort) |
|---|---|---|
| Input ($/M tokens) | $3 | $3.75 |
| Output ($/M tokens) | $15 | $15 |
Data from Artificial Analysis API — 12 benchmarks
Grok 3 is cheaper overall. Its blended price (3:1 input/output ratio) is $6.00/M tokens vs $6.56/M for Claude Sonnet 4.6 (Non-reasoning, Low Effort).
It's a tie — both models win 6 benchmarks each across 12 evaluated categories. See the detailed benchmark chart above for per-category results.
Claude Sonnet 4.6 (Non-reasoning, Low Effort) generates tokens faster at 49 tok/s vs 30 tok/s. Grok 3 also has lower time-to-first-token (0.68s vs 1.05s).
Choose based on your priorities: Grok 3 for lower cost, both perform similarly on benchmarks, and Claude Sonnet 4.6 (Non-reasoning, Low Effort) for faster generation. For latency-sensitive apps, check the TTFT comparison above.