Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Grok 4 Fast (Reasoning) | Ring-flash-2.0 |
|---|---|---|
| Input ($/M tokens) | $0.2 | $0.14 |
| Output ($/M tokens) | $0.5 | $0.57 |
Data from Artificial Analysis API — 12 benchmarks
Ring-flash-2.0 is cheaper overall. Its blended price (3:1 input/output ratio) is $0.25/M tokens vs $0.28/M for Grok 4 Fast (Reasoning).
Grok 4 Fast (Reasoning) wins 11 out of 12 benchmarks compared to 0 for Ring-flash-2.0. See the detailed benchmark chart above for per-category results.
Grok 4 Fast (Reasoning) generates tokens faster at 120 tok/s vs 81 tok/s. However, Ring-flash-2.0 has lower time-to-first-token (1.56s vs 4.60s).
Choose based on your priorities: Ring-flash-2.0 for lower cost, Grok 4 Fast (Reasoning) for stronger benchmark performance, and Grok 4 Fast (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.