Compare/Solar Pro 2 (Non-reasoning) vs GPT-5.4 nano (medium)

Solar Pro 2 (Non-reasoning)vsGPT-5.4 nano (medium)

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

Upstage

Solar Pro 2 (Non-reasoning)

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

GPT-5.4 nano (medium)

Input
$0.2/M
Output
$1.25/M
Speed
171 tok/s
TTFT
2.38s

Winner by Category

Cheaper
Solar Pro 2 (Non-reasoning)
Faster (tok/s)
GPT-5.4 nano (medium)
Lower Latency
Solar Pro 2 (Non-reasoning)
Benchmarks (5-7)
GPT-5.4 nano (medium)

Pricing Comparison

MetricSolar Pro 2 (Non-reasoning)GPT-5.4 nano (medium)
Input ($/M tokens)$0$0.2
Output ($/M tokens)$0$1.25
Cost for 1M input + 100K output tokens:
Solar Pro 2 (Non-reasoning)$0.00
GPT-5.4 nano (medium)$0.33

Speed Comparison

Output Speed (tokens/s) — higher is better
Solar Pro 2 (Non-reasoning)
GPT-5.4 nano (medium)
171 tok/s
Time to First Token (seconds) — lower is better
Solar Pro 2 (Non-reasoning)
GPT-5.4 nano (medium)
2.38s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
13.638.1
Coding Index
11.335.0
Math Index
30.0
GPQA Diamond
56.1%76.1%
MMLU-Pro
75.0%
LiveCodeBench
42.4%
AIME 2025
30.0%
MATH-500
88.9%
Humanity's Last Exam
3.8%14.7%
SciCode
24.8%38.4%
IFBench
33.7%64.4%
TerminalBench
4.5%33.3%
Solar Pro 2 (Non-reasoning)5 wins
7 winsGPT-5.4 nano (medium)

Frequently Asked Questions

Which is cheaper, Solar Pro 2 (Non-reasoning) or GPT-5.4 nano (medium)?

Solar Pro 2 (Non-reasoning) 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 (medium).

Which model performs better on benchmarks?

GPT-5.4 nano (medium) wins 7 out of 12 benchmarks compared to 5 for Solar Pro 2 (Non-reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.4 nano (medium) generates tokens faster at 171 tok/s vs 0 tok/s. Solar Pro 2 (Non-reasoning) also has lower time-to-first-token (0.00s vs 2.38s).

When should I use Solar Pro 2 (Non-reasoning) vs GPT-5.4 nano (medium)?

Choose based on your priorities: Solar Pro 2 (Non-reasoning) for lower cost, GPT-5.4 nano (medium) for stronger benchmark performance, and GPT-5.4 nano (medium) for faster generation. For latency-sensitive apps, check the TTFT comparison above.