Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Mercury 2 | Qwen3.5 Omni Flash |
|---|---|---|
| Input ($/M tokens) | $0.25 | $0.1 |
| Output ($/M tokens) | $0.75 | $0.8 |
Data from Artificial Analysis API — 12 benchmarks
Qwen3.5 Omni Flash is cheaper overall. Its blended price (3:1 input/output ratio) is $0.28/M tokens vs $0.38/M for Mercury 2.
Mercury 2 wins 7 out of 12 benchmarks compared to 0 for Qwen3.5 Omni Flash. See the detailed benchmark chart above for per-category results.
Mercury 2 generates tokens faster at 809 tok/s vs 231 tok/s. However, Qwen3.5 Omni Flash has lower time-to-first-token (1.03s vs 3.48s).
Choose based on your priorities: Qwen3.5 Omni Flash for lower cost, Mercury 2 for stronger benchmark performance, and Mercury 2 for faster generation. For latency-sensitive apps, check the TTFT comparison above.