Compare/Grok 4.1 Fast (Reasoning) vs Ring-flash-2.0

Grok 4.1 Fast (Reasoning)vsRing-flash-2.0

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

xAI

Grok 4.1 Fast (Reasoning)

Input
$0.2/M
Output
$0.5/M
Speed
139 tok/s
TTFT
8.22s
InclusionAI

Ring-flash-2.0

Input
$0.14/M
Output
$0.57/M
Speed
81 tok/s
TTFT
1.56s

Winner by Category

Cheaper
Ring-flash-2.0
Faster (tok/s)
Grok 4.1 Fast (Reasoning)
Lower Latency
Ring-flash-2.0
Benchmarks (11-0)
Grok 4.1 Fast (Reasoning)

Pricing Comparison

MetricGrok 4.1 Fast (Reasoning)Ring-flash-2.0
Input ($/M tokens)$0.2$0.14
Output ($/M tokens)$0.5$0.57
Cost for 1M input + 100K output tokens:
Grok 4.1 Fast (Reasoning)$0.25
Ring-flash-2.0$0.20

Speed Comparison

Output Speed (tokens/s) — higher is better
Grok 4.1 Fast (Reasoning)
139 tok/s
Ring-flash-2.0
81 tok/s
Time to First Token (seconds) — lower is better
Grok 4.1 Fast (Reasoning)
8.22s
Ring-flash-2.0
1.56s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
38.614.0
Coding Index
30.910.6
Math Index
89.383.7
GPQA Diamond
85.3%72.5%
MMLU-Pro
85.4%79.3%
LiveCodeBench
82.2%62.8%
AIME 2025
89.3%83.7%
MATH-500
Humanity's Last Exam
17.6%8.9%
SciCode
44.2%16.8%
IFBench
52.7%43.3%
TerminalBench
24.2%7.6%
Grok 4.1 Fast (Reasoning)11 wins
0 winsRing-flash-2.0

Frequently Asked Questions

Which is cheaper, Grok 4.1 Fast (Reasoning) or Ring-flash-2.0?

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 4.1 Fast (Reasoning).

Which model performs better on benchmarks?

Grok 4.1 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.

Which is faster for real-time applications?

Grok 4.1 Fast (Reasoning) generates tokens faster at 139 tok/s vs 81 tok/s. However, Ring-flash-2.0 has lower time-to-first-token (1.56s vs 8.22s).

When should I use Grok 4.1 Fast (Reasoning) vs Ring-flash-2.0?

Choose based on your priorities: Ring-flash-2.0 for lower cost, Grok 4.1 Fast (Reasoning) for stronger benchmark performance, and Grok 4.1 Fast (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.