Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Qwen3.5 27B (Reasoning) | Grok 4.3 (high) |
|---|---|---|
| Input ($/M tokens) | $0.3 | $1.25 |
| Output ($/M tokens) | $2.4 | $2.5 |
Data from Artificial Analysis API — 12 benchmarks
Qwen3.5 27B (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.82/M tokens vs $1.56/M for Grok 4.3 (high).
Grok 4.3 (high) wins 7 out of 12 benchmarks compared to 0 for Qwen3.5 27B (Reasoning). See the detailed benchmark chart above for per-category results.
Grok 4.3 (high) generates tokens faster at 94 tok/s vs 90 tok/s. Qwen3.5 27B (Reasoning) also has lower time-to-first-token (1.51s vs 7.51s).
Choose based on your priorities: Qwen3.5 27B (Reasoning) for lower cost, Grok 4.3 (high) for stronger benchmark performance, and Grok 4.3 (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.