Compare/Apriel-v1.6-15B-Thinker vs GPT-5.4 nano (xhigh)

Apriel-v1.6-15B-ThinkervsGPT-5.4 nano (xhigh)

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

ServiceNow

Apriel-v1.6-15B-Thinker

Input
$0/M
Output
$0/M
Speed
74 tok/s
TTFT
0.21s
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
Apriel-v1.6-15B-Thinker
Faster (tok/s)
GPT-5.4 nano (xhigh)
Lower Latency
Apriel-v1.6-15B-Thinker
Benchmarks (4-7)
GPT-5.4 nano (xhigh)

Pricing Comparison

MetricApriel-v1.6-15B-ThinkerGPT-5.4 nano (xhigh)
Input ($/M tokens)$0$0.2
Output ($/M tokens)$0$1.25
Cost for 1M input + 100K output tokens:
Apriel-v1.6-15B-Thinker$0.00
GPT-5.4 nano (xhigh)$0.33

Speed Comparison

Output Speed (tokens/s) — higher is better
Apriel-v1.6-15B-Thinker
74 tok/s
GPT-5.4 nano (xhigh)
206 tok/s
Time to First Token (seconds) — lower is better
Apriel-v1.6-15B-Thinker
0.21s
GPT-5.4 nano (xhigh)
2.52s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
27.644.4
Coding Index
22.043.9
Math Index
88.0
GPQA Diamond
73.3%81.7%
MMLU-Pro
79.0%
LiveCodeBench
80.7%
AIME 2025
88.0%
MATH-500
Humanity's Last Exam
9.8%26.5%
SciCode
37.3%46.9%
IFBench
69.1%75.9%
TerminalBench
14.4%42.4%
Apriel-v1.6-15B-Thinker4 wins
7 winsGPT-5.4 nano (xhigh)

Frequently Asked Questions

Which is cheaper, Apriel-v1.6-15B-Thinker or GPT-5.4 nano (xhigh)?

Apriel-v1.6-15B-Thinker 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 Apriel-v1.6-15B-Thinker. 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 74 tok/s. Apriel-v1.6-15B-Thinker also has lower time-to-first-token (0.21s vs 2.52s).

When should I use Apriel-v1.6-15B-Thinker vs GPT-5.4 nano (xhigh)?

Choose based on your priorities: Apriel-v1.6-15B-Thinker 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.