Compare/Granite 4.0 H 1B vs gpt-oss-20B (low)

Granite 4.0 H 1Bvsgpt-oss-20B (low)

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

IBM

Granite 4.0 H 1B

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

gpt-oss-20B (low)

Input
$0.06/M
Output
$0.2/M
Speed
280 tok/s
TTFT
0.45s

Winner by Category

Cheaper
Granite 4.0 H 1B
Faster (tok/s)
gpt-oss-20B (low)
Lower Latency
Granite 4.0 H 1B
Benchmarks (0-10)
gpt-oss-20B (low)

Pricing Comparison

MetricGranite 4.0 H 1Bgpt-oss-20B (low)
Input ($/M tokens)$0$0.06
Output ($/M tokens)$0$0.2
Cost for 1M input + 100K output tokens:
Granite 4.0 H 1B$0.00
gpt-oss-20B (low)$0.08

Speed Comparison

Output Speed (tokens/s) — higher is better
Granite 4.0 H 1B
gpt-oss-20B (low)
280 tok/s
Time to First Token (seconds) — lower is better
Granite 4.0 H 1B
gpt-oss-20B (low)
0.45s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
8.020.8
Coding Index
2.714.4
Math Index
6.362.3
GPQA Diamond
26.3%61.1%
MMLU-Pro
27.7%71.8%
LiveCodeBench
11.5%65.2%
AIME 2025
6.3%62.3%
MATH-500
Humanity's Last Exam
5.0%5.1%
SciCode
8.2%34.0%
IFBench
26.2%57.8%
TerminalBench
0.0%4.5%
Granite 4.0 H 1B0 wins
10 winsgpt-oss-20B (low)

Frequently Asked Questions

Which is cheaper, Granite 4.0 H 1B or gpt-oss-20B (low)?

Granite 4.0 H 1B is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $0.10/M for gpt-oss-20B (low).

Which model performs better on benchmarks?

gpt-oss-20B (low) wins 10 out of 12 benchmarks compared to 0 for Granite 4.0 H 1B. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

gpt-oss-20B (low) generates tokens faster at 280 tok/s vs 0 tok/s. Granite 4.0 H 1B also has lower time-to-first-token (0.00s vs 0.45s).

When should I use Granite 4.0 H 1B vs gpt-oss-20B (low)?

Choose based on your priorities: Granite 4.0 H 1B for lower cost, gpt-oss-20B (low) for stronger benchmark performance, and gpt-oss-20B (low) for faster generation. For latency-sensitive apps, check the TTFT comparison above.