Compare/Granite 4.0 H Small vs Mercury 2

Granite 4.0 H SmallvsMercury 2

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

IBM

Granite 4.0 H Small

Input
$0.06/M
Output
$0.25/M
Speed
524 tok/s
TTFT
8.68s
Inception

Mercury 2

Input
$0.25/M
Output
$0.75/M
Speed
907 tok/s
TTFT
3.76s

Winner by Category

Cheaper
Granite 4.0 H Small
Faster (tok/s)
Mercury 2
Lower Latency
Mercury 2
Benchmarks (4-7)
Mercury 2

Pricing Comparison

MetricGranite 4.0 H SmallMercury 2
Input ($/M tokens)$0.06$0.25
Output ($/M tokens)$0.25$0.75
Cost for 1M input + 100K output tokens:
Granite 4.0 H Small$0.08
Mercury 2$0.33

Speed Comparison

Output Speed (tokens/s) — higher is better
Granite 4.0 H Small
524 tok/s
Mercury 2
907 tok/s
Time to First Token (seconds) — lower is better
Granite 4.0 H Small
8.68s
Mercury 2
3.76s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
10.832.8
Coding Index
8.530.6
Math Index
13.7
GPQA Diamond
41.6%77.0%
MMLU-Pro
62.4%
LiveCodeBench
25.1%
AIME 2025
13.7%
MATH-500
Humanity's Last Exam
3.7%15.5%
SciCode
20.9%38.7%
IFBench
31.5%69.8%
TerminalBench
2.3%26.5%
Granite 4.0 H Small4 wins
7 winsMercury 2

Frequently Asked Questions

Which is cheaper, Granite 4.0 H Small or Mercury 2?

Granite 4.0 H Small is cheaper overall. Its blended price (3:1 input/output ratio) is $0.11/M tokens vs $0.38/M for Mercury 2.

Which model performs better on benchmarks?

Mercury 2 wins 7 out of 12 benchmarks compared to 4 for Granite 4.0 H Small. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Mercury 2 generates tokens faster at 907 tok/s vs 524 tok/s. However, Mercury 2 has lower time-to-first-token (3.76s vs 8.68s).

When should I use Granite 4.0 H Small vs Mercury 2?

Choose based on your priorities: Granite 4.0 H Small for lower cost, Mercury 2 for stronger benchmark performance, and Mercury 2 for faster generation. For latency-sensitive apps, check the TTFT comparison above.