Compare/Granite 4.0 H 350M vs GPT-5.4 nano (xhigh)

Granite 4.0 H 350MvsGPT-5.4 nano (xhigh)

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

IBM

Granite 4.0 H 350M

Input
$0/M
Output
$0/M
Speed
TTFT
OpenAI

GPT-5.4 nano (xhigh)

Input
$0.2/M
Output
$1.25/M
Speed
206 tok/s
TTFT
2.52s

Winner by Category

Cheaper
Granite 4.0 H 350M
Faster (tok/s)
GPT-5.4 nano (xhigh)
Lower Latency
Granite 4.0 H 350M
Benchmarks (4-7)
GPT-5.4 nano (xhigh)

Pricing Comparison

MetricGranite 4.0 H 350MGPT-5.4 nano (xhigh)
Input ($/M tokens)$0$0.2
Output ($/M tokens)$0$1.25
Cost for 1M input + 100K output tokens:
Granite 4.0 H 350M$0.00
GPT-5.4 nano (xhigh)$0.33

Speed Comparison

Output Speed (tokens/s) — higher is better
Granite 4.0 H 350M
GPT-5.4 nano (xhigh)
206 tok/s
Time to First Token (seconds) — lower is better
Granite 4.0 H 350M
GPT-5.4 nano (xhigh)
2.52s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
5.444.4
Coding Index
0.643.9
Math Index
1.3
GPQA Diamond
25.7%81.7%
MMLU-Pro
12.7%
LiveCodeBench
1.9%
AIME 2025
1.3%
MATH-500
Humanity's Last Exam
6.4%26.5%
SciCode
1.7%46.9%
IFBench
17.6%75.9%
TerminalBench
0.0%42.4%
Granite 4.0 H 350M4 wins
7 winsGPT-5.4 nano (xhigh)

Frequently Asked Questions

Which is cheaper, Granite 4.0 H 350M or GPT-5.4 nano (xhigh)?

Granite 4.0 H 350M is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $0.46/M for GPT-5.4 nano (xhigh).

Which model performs better on benchmarks?

GPT-5.4 nano (xhigh) wins 7 out of 12 benchmarks compared to 4 for Granite 4.0 H 350M. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.4 nano (xhigh) generates tokens faster at 206 tok/s vs 0 tok/s. Granite 4.0 H 350M also has lower time-to-first-token (0.00s vs 2.52s).

When should I use Granite 4.0 H 350M vs GPT-5.4 nano (xhigh)?

Choose based on your priorities: Granite 4.0 H 350M for lower cost, GPT-5.4 nano (xhigh) for stronger benchmark performance, and GPT-5.4 nano (xhigh) for faster generation. For latency-sensitive apps, check the TTFT comparison above.