Compare/GPT-5 (ChatGPT) vs Nova 2.0 Pro Preview (medium)

GPT-5 (ChatGPT)vsNova 2.0 Pro Preview (medium)

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

OpenAI

GPT-5 (ChatGPT)

Input
$1.25/M
Output
$10/M
Speed
148 tok/s
TTFT
0.66s
Amazon

Nova 2.0 Pro Preview (medium)

Input
$1.25/M
Output
$10/M
Speed
144 tok/s
TTFT
14.17s

Winner by Category

Cheaper
Tie
Faster (tok/s)
GPT-5 (ChatGPT)
Lower Latency
GPT-5 (ChatGPT)
Benchmarks (0-11)
Nova 2.0 Pro Preview (medium)

Pricing Comparison

MetricGPT-5 (ChatGPT)Nova 2.0 Pro Preview (medium)
Input ($/M tokens)$1.25$1.25
Output ($/M tokens)$10$10
Cost for 1M input + 100K output tokens:
GPT-5 (ChatGPT)$2.25
Nova 2.0 Pro Preview (medium)$2.25

Speed Comparison

Output Speed (tokens/s) — higher is better
GPT-5 (ChatGPT)
148 tok/s
Nova 2.0 Pro Preview (medium)
144 tok/s
Time to First Token (seconds) — lower is better
GPT-5 (ChatGPT)
0.66s
Nova 2.0 Pro Preview (medium)
14.17s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
21.835.7
Coding Index
21.230.4
Math Index
48.389.0
GPQA Diamond
68.6%78.5%
MMLU-Pro
82.0%83.0%
LiveCodeBench
54.3%73.0%
AIME 2025
48.3%89.0%
MATH-500
Humanity's Last Exam
5.8%8.9%
SciCode
37.8%42.7%
IFBench
45.0%79.0%
TerminalBench
12.9%24.2%
GPT-5 (ChatGPT)0 wins
11 winsNova 2.0 Pro Preview (medium)

Frequently Asked Questions

Which is cheaper, GPT-5 (ChatGPT) or Nova 2.0 Pro Preview (medium)?

Both models have similar pricing. Check the detailed breakdown above for input vs output token costs.

Which model performs better on benchmarks?

Nova 2.0 Pro Preview (medium) wins 11 out of 12 benchmarks compared to 0 for GPT-5 (ChatGPT). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5 (ChatGPT) generates tokens faster at 148 tok/s vs 144 tok/s. GPT-5 (ChatGPT) also has lower time-to-first-token (0.66s vs 14.17s).

When should I use GPT-5 (ChatGPT) vs Nova 2.0 Pro Preview (medium)?

Choose based on your priorities: both are similarly priced, Nova 2.0 Pro Preview (medium) for stronger benchmark performance, and GPT-5 (ChatGPT) for faster generation. For latency-sensitive apps, check the TTFT comparison above.